Claas Arion 630 610 tractor repair manual

ARION 630 - 610C.
Repair manual

Symbols
Lubricate Torque (daN.m)
Grease Clearance
Glue/seal Preload
Fixing and sealing products
Loctite
Corresponding reference Application
Designation N°
222 00 11 355 130 (50 ml) Weak Loctite.
243
(Replace Frenetanch 241, 242, 542)
60 05 711 531 (50 ml)
Threaded assembly subject to vibration.
Medium threadlocker.
271
(Replace Frenebloc 270, 273)
60 05 711 532 (50 ml)
Threaded assembly subject to impacts.
Strong threadlocker.
648
(Replace Scelbloc 675)
60 05 009 353 (50 ml) Bearing, bushing, insert assembly.
518
77 11 101 783 (25 ml)
77 11 101 792 (300 ml)
Gasket face (dry casing).
510 60 05 009 355 (50 ml) Metal/metal sealing surface (wet casing).
515 60 05 719 505 (25 ml) Metal/metal sealing surface (with low play).
577 60 05 004 897 (50 ml) Sealed threaded couplings.
480 60 05 012 630 (20 g)
Instant metal/metal and metal/rubber
bonding.
5 366 77 01 022 310 (310 ml) Flexible bonding / tightness.
5 910
00 11 321 450 (50 ml)
60 05 703 990 (200 ml)
Metal/metal sealing surface deformed
(temperature up to 200°C).
Pneumatic circuits
Venting circuit. Hydraulic control.
Pressure circuit (< 8 bar). Pressure circuit (8 bar).
Control circuit (< 8 bar). Control circuit (8 bar).
Find manuals at http://best-manuals.com/search?&s=CLA-11379200

Hydraulic lines
Suction lines. High-pressure lines.
Priming lines. Control circuit.
Lubrication system.
Return circuit.
Low pressure system.
Static oil under pressure.
Hydrostatic system.
Standardised torques
Hardware
Diameter (mm)
Standardised torque (daN.m)
Hardware class
4,6 6,8 8,8 10,9 12,9
3 0,05 0,08 0,12 0,17 0,2
4 0,12 0,19 0,29 0,4 0,4
5 0,21 0,38 0,56 0,8 0,8
6 0,36 0,66 0,95 1,4 1,4
7 0,77 1,09 1,45 2,14 2,21
8 0,88 1,7 2,4 3,3 3,5
10 1,75 3,5 4,8 6,7 7,1
12 3 6 8,4 11,5 12,1
14 5 9,5 13,2 17,5 19,3
16 7,8 14,5 18,5 28 29,5
18 10,5 21 25,5 37,5 40,5
20 15 30 39,5 56 57
22 20,5 40 54 73,5 76,5
24 26 50 67 92 100
30 50 92 130 195 220
33 75 124 166 244 252
36 80 160 230 335 350
Hydraulic couplings
External diameter (mm) Internal diameter (mm) "JIC" coupling type
Standardised torque (daN.m)
Minimum Maximum
9,53 8,4 3/8 – 24 2,5 3,5
11,11 9,71 7/16 – 20 4 5
12,7 11,12 1/2 – 20 4 5
14,29 12,7 9/16 – 18 5,5 6,5
19,05 17,33 3/4 – 16 6 8
22,23 20,26 7/8 – 14 6 8
26,99 24,7 1”1/16 – 12 8 10
30,16 27,87 1”3/16 – 12 12 15

Arion 630-610 C – 01.2009 – GB
TOOLS

2 Arion 630-610 C – 01.2009 – GB
TOOLING PER CHAPTER
A
00 1134 145 0
00 1134 146 0
00 1135 452 0
00 1137 811 0
60 0500 550 4
60 0500 550 7
60 0500 550 9
60 0500 551 0
60 0500 551 7
60 0500 552 0
60 0500 552 8
60 0500 553 1
60 0500 553 2
60 0500 557 3
60 0500 557 6
60 0500 557 7
60 0500 559 4
60 0500 559 5
77 1113 251 7
77 0138 804 7
77 0138 808 4
77 0138 811 0
77 0138 811 1
77 0138 812 7
77 0138 818 0
B
00 0178 310 0
00 0178 320 0
00 1136 081 0
60 0500 531 0
60 0500 573 4
60 0500 615 3
60 0500 615 5
60 0503 324 9
60 0503 325 0
77 0138 803 1
C
00 0178 320 0
60 0500 531 0
60 0500 632 0
D
60 0500 653 4
60 0500 653 5
60 0500 653 6
60 0500 653 7
60 0500 653 8
60 0500 653 9
60 0500 654 9
60 0500 655 0
60 0500 655 1
77 0138 800 8
E
00 0178 310 0
00 0178 320 0
00 1133 549 0
60 0500 571 8
60 0500 572 6
60 0571 280 0
60 0571 297 1
77 0138 808 4
F
00 1135 095 0
60 0500 670 3
60 0500 670 4
60 0500 675 8
77 0002 966 5
77 0002 966 6
77 0002 966 7
77 0005 436 1
77 0006 523 6
G
00 1135 095 0
60 0500 573 4
H
60 0500 691 8
77 0138 890 7

Arion 630-610 C – 01.2009 – GB 3
Tools
00 0178 310 0 00 0178 320 0
Basic data acquisition and pressure measurement kit. Additional kit for flow rate measurement.
00 1133 549 0 00 1134 145 0
Removing/refitting the 5 bar safety valve. Injector sleeve fitting.
00 1134 146 0 00 1135 095 0
Valve gasket fitting. Multimeter case.

4 Arion 630-610 C – 01.2009 – GB
Tools
00 1135 452 0 00 1136 081 0
Adjustment. Gear train lifter.
00 1137 811 0 60 0500 531 0
Engine compression measurement adapter Pressure regulator 0 to 15 bar.
60 0500 550 4 60 0500 550 7
Liner remover/refitter. Ring groove wear gauge.

Arion 630-610 C – 01.2009 – GB 5
Tools
60 0500 550 9 60 0500 551 0
Rear bearing seal extractor. Rear bearing gasket fitter.
60 0500 632 0 60 0500 653 4
Differential removal. Differential nut adjuster.
60 0500 653 5 60 0500 653 6
Hub gasket engager. Conical bearing nut tightener.

6 Arion 630-610 C – 01.2009 – GB
Tools
60 0500 653 7 60 0500 653 8
Drive gear gasket engager. Bush engager in pivot (20.19, 20.22).
60 0500 653 9 60 0500 654 9
Gasket engager in pivot (20.19, 20.22). Gasket engager in pivot (20.29).
60 0500 655 0 60 0500 655 1
Bush engager in pivot (20.29). Lower arm nut remover (20.29 SI).

Arion 630-610 C – 01.2009 – GB 7
Tools
60 0500 551 7
Cleaning the threads of the 'screw-cylinder head' cylinder block
60 0500 552 0 60 0500 552 8
Set of camshaft bearing extraction tools. Flywheel turning tool.
60 0500 553 1
Set of extraction tools for camshaft bearings, to be used with tool No. 60 0500 552 0 : 1 taper end stud (M8 x 1,25) ; 3 flat end studs (M8 x
1,25).

8 Arion 630-610 C – 01.2009 – GB
Tools
60 0500 553 2 60 0500 557 3
Set of tools for disassembly/assembly of the tapered end connecting
rod bush.
Oil pressure valve extractor.
60 0500 557 6 60 0500 557 7
Adjustment pin. Accelerator potentiometer cabling.
60 0500 559 4 60 0500 559 5
“Damper” puller. Removing the front bearing gasket.

Arion 630-610 C – 01.2009 – GB 9
Tools
60 0500 571 8 60 0500 572 6
Adapter for measuring differential lock pressure. Column gasket fitting.
60 0500 573 4 60 0500 615 3
Solenoid valve test harness. Compression.
60 0500 615 5 60 0500 670 3
Range setting unit. Crimping pliers
ROBOTISED RANGES SIMULATORCHECK
Led's POWER
RANGE A
RANGE B
RANGE C
RANGE D
SVA
SVB
SVC
SVD
S1
S2
S3
S4
OFF
OFF
OFF
OFF
NEUTRAL

10 Arion 630-610 C – 01.2009 – GB
Tools
60 0500 670 4 60 0500 675 8
Extractor for connection between transmission control wiring and
transmission or TCE.
Extractor to unlock clips and tabs of MIC type.
60 0500 691 8 60 0503 324 9
Cab prop. For a tractor order the reference twice. "Auto 5" control unit.
60 0503 325 0 60 0571 280 0
"Auto 5" input/output control harness. Decontamination station.
X1
X1
X1

Arion 630-610 C – 01.2009 – GB 11
Tools
60 0571 297 1 77 0002 966 5
Decontamination station filter. Extractor (Green).
77 0002 966 6 77 0002 966 7
Extractor (Yellow). Extractor (Blue).
77 0005 436 1 77 0006 523 6
Extractor for contact on instrument panel adaptation harness. Extractor for contact on fuse baseplate.

12 Arion 630-610 C – 01.2009 – GB
Tools
77 0138 800 8 77 0138 803 1
Dynamometer. Depth gauge.
77 0138 804 7 77 0138 808 4
Bore checking apparatus. Extractor hook.
77 0138 811 0
Piston ring disassembly/assembly pliers.

Arion 630-610 C – 01.2009 – GB 13
Tools
77 0138 811 1
Piston ring clamp(Ø 55 to 110) with Allen key.
77 0138 812 7 77 0138 818 0
Liner smear removing apparatus (Flex hone). Liner or piston protrusion check.
77 0138 890 7 77 1113 251 7
Spreader bar (supplied with trolley). Removing the front bearing gasket.

14 Arion 630-610 C – 01.2009 – GB
Notes

A
ENGINE DPS TIER III
Technical support
Arion 630-610 C
Chapter A
00 11 379 200 – 09.2008 publication

Arion 630-610 C – 09.2008 – GB
CONTENTS
A1 – GENERAL
TORQUE SETTINGS AND SEALANTS..........................................................................................................................A1.3
BLOCKING BETWEEN THE MOTOR OIL CASING/FRONT AXLE CHASSIS...............................................................A1.5
A2 – CYLINDER HEAD AND VALVES
LOCAL MANUFACTURING TOOL..................................................................................................................................A2.2
Injector coupling puller.....................................................................................................................................................A2.2
INSPECTING THE ROCKER PIN ...................................................................................................................................A2.2
INSPECTING THE ROCKERS........................................................................................................................................A2.4
MEASURING VALVE SHRINKAGE ................................................................................................................................A2.5
CYLINDER HEAD FLATNESS........................................................................................................................................A2.5
MEASURING CYLINDER HEAD THICKNESS ...............................................................................................................A2.6
VALVE GUIDE MEASUREMENT....................................................................................................................................A2.6
MEASURING THE VALVE SEAT BORE IN THE CYLINDER HEAD..............................................................................A2.7
MEASURING THE VALVE SPRINGS.............................................................................................................................A2.7
MEASURING THE VALVES............................................................................................................................................A2.8
INSPECTING THE TURBOCHARGER...........................................................................................................................A2.9
CHECKING THE BELT TENSIONER SPRING...............................................................................................................A2.9
REMOVING THE ALTERNATOR AND ITS BRACKET.................................................................................................A2.10
REFITTING THE ALTERNATOR AND BRACKET........................................................................................................A2.12
REMOVING THE VISCOUC COUPLING......................................................................................................................A2.12
REFITTING THE VISCOUS COUPLING.......................................................................................................................A2.12
REMOVING THE FAN HUB AND BRACKET................................................................................................................A2.13
REFITTING THE FAN HUB AND BRACKET ................................................................................................................A2.13
REMOVING THE TURBOCHARGER ...........................................................................................................................A2.14
REFITTING THE TURBOCHARGER............................................................................................................................A2.14
REMOVING THE EXHAUST MANIFOLD .....................................................................................................................A2.15
REFITTING THE EXHAUST MANIFOLD......................................................................................................................A2.15
REMOVING THE THERMOSTAT COVER ...................................................................................................................A2.16
REFITTING THE THERMOSTAT COVER....................................................................................................................A2.16
REMOVING THE CYLINDER HEAD COVER...............................................................................................................A2.17
REFITTING THE CYLINDER HEAD COVER................................................................................................................A2.17
REMOVING THE ROCKER ARM ASSEMBLY .............................................................................................................A2.18
REFITTING THE ROCKER SHAFT ..............................................................................................................................A2.18
ADJUSTING THE VALVE ROCKERS...........................................................................................................................A2.19
Method of adjustment ....................................................................................................................................................A2.20
REMOVING THE INJECTOR COUPLING ....................................................................................................................A2.21
REFITTING THE INJECTOR COUPLING.....................................................................................................................A2.22
REMOVING THE CYLINDER HEAD.............................................................................................................................A2.23

Arion 630-610 C – 09.2008 – GB
PREPARATION.............................................................................................................................................................A2.23
REFITTING THE CYLINDER HEAD .............................................................................................................................A2.24
REFITTING THE VALVE AND JOINT...........................................................................................................................A2.25
REFITTING THE VALVE AND GASKET.......................................................................................................................A2.26
REMOVING THE VALVE SEATS..................................................................................................................................A2.27
REFITTING THE VALVE SEATS ..................................................................................................................................A2.28
A3 – LINERS, PISTONS AND CONNECTING RODS
MEASURING THE COUNTERBORING DEPTH OF THE LINER FLANGE IN THE BLOCK..........................................A3.2
MEASURING THE LINER FLANGE................................................................................................................................A3.2
MEASURING FLATNESS OF THE PLATE AND THE PLATE/CRANKSHAFT BEARING DISTANCE..........................A3.3
MEASURING THE PISTON PIN BOREHOLE ................................................................................................................A3.3
MEASURING THE PISTON SKIRT.................................................................................................................................A3.4
MEASURING THE PISTON HEIGHT..............................................................................................................................A3.4
MEASURING PISTON - LINER CLEARANCE................................................................................................................A3.4
INSPECTING AND MEASURING CONNECTING ROD BEARINGS..............................................................................A3.5
INSPECTING THE CONNECTING ROD AND THE CAP ...............................................................................................A3.6
INSPECTING THE PISTON PINS AND RINGS..............................................................................................................A3.7
MEASURING THE BORE OF THE CONNECTING ROD PIN ........................................................................................A3.8
MEASURING THE CENTRE DISTANCE BETWEEN CONNECTING ROD BORES .....................................................A3.8
MEASURING THE PISTON OVERLAP ..........................................................................................................................A3.9
DISMANTLING OF THE CONNECTING ROD/PISTON ASSEMBLY...........................................................................A3.10
REMOVING THE PISTONS/CONNECTING RODS AND RINGS.................................................................................A3.10
REMOVING THE PISOTN PIN BUSH...........................................................................................................................A3.12
DISASSEMBLING THE LINERS ...................................................................................................................................A3.12
Deglazing cylinder liners................................................................................................................................................A3.14
REMOVING THE CYLINDER BLOCK...........................................................................................................................A3.15
REFITTING THE CYLINDER BLOCK ...........................................................................................................................A3.15
REFITTING THE LINERS..............................................................................................................................................A3.16
REFITTING PISTON PIN RINGS..................................................................................................................................A3.18
REFITTING THE PISTONS/CONNECTING RODS AND PISTON RINGS...................................................................A3.19
REASSEMBLING PISTONS AND CONNECTING RODS ............................................................................................A3.21
A4 – FLYWHEEL, BEARING, AND CRANKSHAFT
MEASURING THE INNER DIAMETER OF THE CRANKSHAFT JOURNALS AND BEARINGS ...................................A4.2
MEASURING THE WIDTH OF JOURNALS AND THRUST BEARINGS........................................................................A4.3
CHECKING AXIAL CLEARANCE OF THE CRANKSHAFT............................................................................................A4.4
REMOVING THE DAMPER PULLEY..............................................................................................................................A4.4
REFITTING THE DAMPER PULLEY ..............................................................................................................................A4.5
REMOVING THE FRONT BEARING GASKET...............................................................................................................A4.6
REFITTING THE FRONT BEARING SEAL.....................................................................................................................A4.6

Arion 630-610 C – 09.2008 – GB
REMOVING THE FLYWHEEL.........................................................................................................................................A4.7
Removing thee flywheel's toothed crown gear ................................................................................................................A4.7
Refitting the flywheel's toothed crown gear .....................................................................................................................A4.7
REFITTING THE FLYWHEEL .........................................................................................................................................A4.8
REMOVING THE REAR BEARING GASKET .................................................................................................................A4.8
REFITTING THE REAR BEARING GASKET..................................................................................................................A4.9
REMOVING THE FLYWHEEL COVER...........................................................................................................................A4.9
REASSEMBLING THE ENGINE FLYWHEEL CASING ................................................................................................A4.10
REMOVING THE TIMING WHEEL................................................................................................................................A4.11
REFITTING THE TIMING WHEEL ................................................................................................................................A4.11
REMOVING THE CRANKSHAFT PINION ....................................................................................................................A4.12
REFITTING THE CRANKSHAFT PINION.....................................................................................................................A4.12
REMOVING THE CRANKSHAFT BEARINGS AND THE CRANKSHAFT....................................................................A4.13
REFITTING THE CRANKSHAFT BEARINGS AND THE CRANKSHAFT ....................................................................A4.14
A5 – TIMING AND BALANCING SHAFT
MEASURING THE BORE OF THE CAMSHAFT BUSH..................................................................................................A5.2
MEASURING AXIAL CLEARANCE OF THE CAMSHAFT..............................................................................................A5.2
MEASURING THE DIAMETER OF THE CAMSHAFT BUSH AND JOURNALS ............................................................A5.3
MEASURING THE CAM HEIGHT ...................................................................................................................................A5.3
MEASURING AXIAL CLEARANCE OF THE IDLE GEAR ..............................................................................................A5.3
MEASURING CLEARANCE BETWEEN THE TEETH OF THE TIMING GEARS...........................................................A5.4
DISASSEMBLY OF THE WATER PUMP........................................................................................................................A5.4
DISASSEMBLY OF THE WATER PUMP........................................................................................................................A5.5
REASSEMBLING THE WATER PUMP...........................................................................................................................A5.6
REFITTING THE WATER PUMP ....................................................................................................................................A5.7
DISASSEMBLY OF THE DISTRIBUTOR CASING.........................................................................................................A5.8
REMOVING THE PRESSURE REGULATOR.................................................................................................................A5.9
REFITTING THE PRESSURE REGULATOR ...............................................................................................................A5.10
REMOVING THE CAMSHAFT AND WEAR BUSH.......................................................................................................A5.10
Camshaft .......................................................................................................................................................................A5.10
Wear bush .....................................................................................................................................................................A5.11
REFITTING THE CAMSHAFT AND WEAR BUSH .......................................................................................................A5.12
Wear bush .....................................................................................................................................................................A5.12
Camshaft .......................................................................................................................................................................A5.12
REMOVING THE FRONT PLATE .................................................................................................................................A5.13
REASSEMBLY OF THE FRONT PLATE ......................................................................................................................A5.14
INJECTION TIMING SETTING......................................................................................................................................A5.15
REFITTING THE TIMING COVER ................................................................................................................................A5.16

Arion 630-610 C – 09.2008 – GB
A6 – INJECTION ASSEMBLY
REMOVING THE SUPPLY PUMP ..................................................................................................................................A6.2
REFITTING THE SUPPLY PUMP...................................................................................................................................A6.2
REMOVING THE HIGH PRESSURE COMMON RAIL ...................................................................................................A6.3
REFITTING THE HIGH PRESSURE COMMON RAIL....................................................................................................A6.3
REMOVING THE FLOW REGULATORS........................................................................................................................A6.4
REFITTING THE FLOW REGULATORS ........................................................................................................................A6.4
REMOVING THE PRESSURE RESTRICTER ................................................................................................................A6.5
REFITTING THE PRESSURE RESTRICTER.................................................................................................................A6.5
REMOVING THE HIGH PRESSURE PUMP...................................................................................................................A6.6
REFITTING THE HIGH PRESSURE PUMP ...................................................................................................................A6.7
REMOVING THE HIGH PRESSURE PUMP FILTER .....................................................................................................A6.8
REFITTING THE HIGH PRESSURE PUMP FILTER......................................................................................................A6.8
REMOVING THE SOLENOID VALVE.............................................................................................................................A6.8
REFITTING THE SOLENOID VALVE .............................................................................................................................A6.8
REMOVING THE ELECTRONIC INJECTORS ...............................................................................................................A6.9
REFITTING ELECTRONIC INJECTORS ......................................................................................................................A6.11
A7 – LUBRICATION SYSTEM
REMOVING THE OIL FILTER AND HOLDER ................................................................................................................A7.2
REFITTING THE OIL FILTER AND HOLDER.................................................................................................................A7.2
REMOVING THE OIL COOLER......................................................................................................................................A7.3
REFITTING THE OIL COOLER.......................................................................................................................................A7.4
REMOVING THE ENGINE OIL PAN...............................................................................................................................A7.5
DISASSEMBLY OF THE OIL PUMP...............................................................................................................................A7.5
REASSEMBLING THE OIL PUMP..................................................................................................................................A7.6
REFITTING THE ENGINE OIL PAN................................................................................................................................A7.7

Arion 630-610 C – 09.2008 – GB
A1
GENERAL

A1.2 Arion 630-610 C – 09.2008 – GB
Notes

Arion 630-610 C – 09.2008 – GB A1.3
Torque settings and sealants
101msm60 Fig. 5
ø 8 x 35
3,5 daN.m
5 daN.m
ø 10 x 35
7 daN.m
ø 10 x 120
7 daN.m
ø 10 x 175
7 daN.m
ø 10 x 140
7 daN.m
1 daN.m
7 daN.m
6 daN.m
x 2
ø 16 x 70
13 daN.m
x 1
ø 20 x 110
53 daN.m
x 1
ø 20 x 80
53 daN.m
x 8
ø 12 x 38
11 daN.m
28 daN.m
6
12
14
4
2
15
8
5
16
17
11
13
5
8
18
9
10 1 : 2 daN.m
2 : 3,5 daN.m
7
1
3 5 daN.m
13,8 daN.m
9 daN.m
1,1 daN.m
1,5 daN.m
3,5 daN.m
1,6 daN.m
7 daN.m
3,5 daN.m
7 daN.m
5 daN.m
7 daN.m
1 : 5,8 daN.m
2 : ° 90° – 100°
4 daN.m
3,5 daN.m
2,5 daN.m
2,7 daN.m
6 daN.m
1 daN.m
3,5 daN.m
(271)
8 daN.m
(271)
2,5 daN.m
1 : 10 daN.m
2 : 15 daN.m
3 : 5 min
4 : 15 daN.m
5 : ° 60°
11 daN.m
1 : 2 daN.m
2 : 13,5 daN.m
50 daN.m
5 daN.m
3,5 daN.m
(648)
3,5 daN.m

A1.4 Arion 630-610 C – 09.2008 – GB
Torque settings and sealants
101msm61 Fig. 6
1 : 1,5 daN.m
2 : ° 90°
2,7 daN.m(222)
0,2 daN.m
(243)
17,6 daN.m
5,2 daN.m
17,6 daN.m
9,8 daN.m
4 daN.m
3 daN.m
6,8 daN.m 1 daN.m
1 daN.m
0,6 daN.m
1 daN.m
1 daN.m
2,5 daN.m
2,7 daN.m
5,2 daN.m
4 daN.m
3,5 daN.m
2,4 daN.m
3,5 daN.m
3,5 daN.m
7 daN.m
2,4 daN.m
(243)
1,2 daN.m
2,4 daN.m
5 daN.m

Arion 630-610 C – 09.2008 – GB A1.5
Blocking between the motor oil casing/front axle chassis
101msm64 Fig. 3
– Assemble the front axle chassis onto the engine block.
– Tighten the 4 oiled nuts (A) at a torque of 35 daN.m.
– Measure the gap (B) on both sides between the motor
oil casing (C) and the front axle chassis (D).
– Untighten the 4 nuts (A) and fit the number of shims
matching the play (B) + 0,10 mm.
– Tighten the 4 nuts (A) at a torque of 37,5 daN.m.
– Tighten the 2 lower screws (E) at a torque of 30 daN.m.
E
A
A
C
D
B

A1.6 Arion 630-610 C – 09.2008 – GB
Notes

Arion 630-610 C – 09.2008 – GB
A2
CYLINDER HEAD AND VALVES

A2.2 Arion 630-610 C – 09.2008 – GB
Cylinder head and valves
Local manufacturing tool
Injector coupling puller
A = 50 mm
B = 10 mm
C = 10 mm
D ≥ 26 mm
E = 22 x 250
F = 120 mm (Subhead)
134msm00 Fig. 1
Inspecting the rocker pin
Note: Mark the location of the rockers when removing
in order to facilitate refitting.
– Remove the caps (A) only to change them or to clean
the rocker axis.
– Disassemble and search for traces of wear or damage.
Change all parts which are damaged or non compliant
with specifications.
134hsm08 Fig. 2
Outer diameter of the axis ....................19,99 - 20,02 mm
Wear limit..........................................................19,94 mm
134hsm09 Fig. 3
F
A
E
B
C
D
A

Arion 630-610 C – 09.2008 – GB A2.3
Maximum inner diameter of the shaft rest
..........................................................................20,17 mm
134msm01 Fig. 4
Inner diameter of the rocker..................20,07 - 20,12 mm
Wear limit..........................................................20,17 mm
134hsm10 Fig. 5

A2.4 Arion 630-610 C – 09.2008 – GB
Inspecting the rockers
– Remove and clean the rockers (A). Mark them for
refitting.
134hsm11 Fig. 6
– Measure the outer diameter of the rockers. If it is below
the value recommended, change it.
Specified value:
Rocker outer diameter ..........................31,61 - 31,64 mm
– Measure rocker clearance in the bore.
Specified value:
Bore diameter
(in the block) .........................................31,70 - 31,75 mm
Rocker and borehole clearance................0,06 - 0,13 mm
– Check the head on the rocker journals. If it is flat or
concave, change the rocker and check the camshaft
lobes.
134hsm12 Fig. 7
A

Arion 630-610 C – 09.2008 – GB A2.5
Measuring valve shrinkage
Measurements must be made at a maximum distance of
3 mm from the edge of the valve head.
– Compare the measurements (A) between the 2 inlet
and exhaust valves. Check that the gap does not exceed
the value specified.
Note: If a cylinder has uneven valve wear, check the
gap of boreholes on valve bridges.
Specified value:
• Intake valve
Shrinkage in the cylinder head .................0,61 - 1,11 mm
Wear limit............................................................1,63 mm
• Exhaust valve
Shrinkage in the cylinder head .................1,22 - 1,72 mm
Wear limit............................................................2,26 mm 131hsm33 Fig. 8
Cylinder head flatness
– Check cylinder head flatness using a precision rule and
a set of shims. Check along the length, across and in
diagonal in several locations.
Specified value:
Maximum acceptable straightness error over the entire
length or width ....................................................0,08 mm
Maximum acceptable straightness error over the entire
length of 150 mm................................................0,03 mm
Note: If the straightness error exceeds the values
specified, rectify or change the cylinder head.
132hsm05 Fig. 9
A

A2.6 Arion 630-610 C – 09.2008 – GB
Measuring cylinder head thickness
– Measure the cylinder head's thickness between the
parting of the cylinder head cover riser and the
combustion reaching.
Specified value:
New cylinder head ............................104,87 - 105,13 mm
Minimum acceptable cylinder head
thickness.........................................................104,24 mm
Maximum ripple depth ......................................0,012 mm
Maximum material which can be removed when rectifying
0,76 mm
Note: If the cylinder head thickness is below the
minimum acceptable, do not rectify. Change the
cylinder head.
Important: Check cylinder head flatness using a
precision rule and a set of shims.
Valve guide measurement
– Measure wear on the valve guides (A).
Specified value:
Diameter of the valve guide borehole...............................
7,912 - 7,938 mm
Clearance between rod and guide..............0,05 - 0,1 mm
Wear limit between stem and guide....................0,15 mm
132hsm06 Fig. 10
132msm05 Fig. 11
A

Arion 630-610 C – 09.2008 – GB A2.7
Measuring the valve seat bore in the
cylinder head
If the dimensions of the boreholes do not comply with the
values specified, machine the cylinder head according to
the values.
Specified value:
• Seat insert valve borehole
– Exhaust
A. 42,987 - 43,013 mm.
B. Reference 3,82 mm.
C. 9,936 - 10,064 mm.
D. 38 - 42°.
E. Maximum radius 0,5 mm.
– Intake
A. 47,104 - 47,130 mm.
B. Reference 3,45 mm.
C. 9,936 - 10,064 mm.
D. 38 - 42°.
E. Maximum radius 0,5 mm.
Changing the outer diameter of seat insert valve
boreholes.
– Exhaust..........................................43,038 - 43,064 mm
– Intake.............................................47,155 - 47,181 mm
Measuring the valve springs
Check spring tension using a spring compression device.
Idle length ..............................................................54 mm
Specified value:
Spring compressed at 240-280 N..........................46 mm
Spring compressed at 590-680 N.......................34,5 mm
132hsm08 Fig. 12
131hsm34 Fig. 13

A2.8 Arion 630-610 C – 09.2008 – GB
Measuring the valves
– Inspect the valves, the tip of the rods, and the retainer
groove (A).
Specified value:
• Valve head diameter
– Intake.................................................46,47 - 46,73 mm
– Exhaust..............................................42,37 - 42,63 mm
Note: The intake valves have a larger outer diametre
and are recognized thanks to a centering hole (B).
131hsm35 Fig. 14
131msm14 Fig. 15
• Valve stem diameter
– Intake.................................................7,864 - 7,884 mm
– Exhaust..............................................7,848 - 7,874 mm
• Maximum ovalization
– Inlet and exhaust ...........................................0,038 mm
131hsm37 Fig. 16
A
B

Arion 630-610 C – 09.2008 – GB A2.9
Inspecting the turbocharger
Measuring axial clearance
Maximum axial clearance of the "BorgWarner"
turbocharger .......................................................0,14 mm
If axial clearance does not comply, change the
turbocharger.
142hsm02 Fig. 17
Measuring radial clearance
Maximum radial clearance of the "BorgWarner"
turbocharger .......................................................0,51 mm
If radial clearance is not compliant, change the
turbocharger.
142hsm03 Fig. 18
Checking the belt tensioner spring
– Loosen and remove the tensioner belt.
– Loosen the tensioner and plot a mark (A).
– Measure 21 mm from (A) and make a mark (B).
– Using a torque wrench, align the 2 marks.
– The spring's tension must be 1,8 to 2,2 daN.m.
– Change the tensioner if required.
251msm04 Fig. 19
A
B

A2.10 Arion 630-610 C – 09.2008 – GB
Removing the alternator and its bracket
– Disconnect the battery.
– Disconnect the alternator connections.
– Remove the alternator (A).
– Untighten the rest screws (B) and remove them.
260hsm00 Fig. 20
Description
1 Pneumatic braking version (175 A alternator).
A B
1

Arion 630-610 C – 09.2008 – GB A2.11
260msm00 Fig. 21
Description
2 Pneumatic braking version (120 A alternator).
260msm01 Fig. 22
Description
3 Version without air braking (120 and 175 ampere alternator).
A
B
2
B
A
3

A2.12 Arion 630-610 C – 09.2008 – GB
Refitting the alternator and bracket
– Refit the alternator bracket (B).
– Tighten the screws to a torque of 7 daN.m.
– Refit the alternator (A).
Note: If the alternator pulley was removed, tighten the screw at a torque of 5 daN.m.
Removing the viscouc coupling
– Remove the screws from the radiator nozzle (A).
Note: The viscous coupler thread on the hub is a left-
hand thread.
– Using a pin wrench, hold the hub (B) and loosen the
viscous coupler (C) and remove it.
Refitting the viscous coupling
Note: The viscous coupler thread on the hub is a left-
hand thread.
– Refit the viscous coupler (C) on the hub (B).
– Using a pin wrench, tighten the viscous coupler at a
torque of 9 daN.m.
253hsm00 Fig. 23
C
B
A

Arion 630-610 C – 09.2008 – GB A2.13
Removing the fan hub and bracket
251hsm29 Fig. 24
– Loosen the drive belt using the tensioner (A) and
remove it.
– Remove the hub of the viscous coupler (B).
– Remove the (C) pulley.
– Remove the pulley hub and its bracket (D).
Refitting the fan hub and bracket
– Refit the fan bracket and hub (D). Tighten the screws to
a torque of 7 daN.m.
– Refit the viscous coupler pulley (C) and hub (B).
– Position the belt.
– Tighten the belt using the tensioner (A).
C
B
D
A

A2.14 Arion 630-610 C – 09.2008 – GB
Removing the turbocharger
Important: Let the exhaust circuit cool down before
removing the turbocharger.
Note: Carefully clean the outside of the turbocharger
and the surrounding area.
– Remove the air intake and exhaust ducts.
– Disconnect the oil inlet pipe (A).
– Disconnect the oil return duct (B).
– Unscrew the 4 screws (C) of the exhaust manifold and
remove the turbocharger.
Refitting the turbocharger
Important: Fill the oil return hole with clean motor oil
and turn the turbocharger by hand.
– Position the turbocharger onto the exhaust manifold
with a new gasket.
– Tighten the screws (C) to a torque of 7 daN.m.
– Connect the oil and air ducts.
142msm00 Fig. 25
142hsm05 Fig. 26
A
C
B

Arion 630-610 C – 09.2008 – GB A2.15
Removing the exhaust manifold
Note: Draining the A/C circuit is not necessary. Move
only the A/C compressor.
– Remove the pipes, hoses interfering with removing the
exhaust manifold.
– Remove the turbocharger (the turbocharger can be
removed with the exhaust manifold).
– Remove the exhaust manifold (A).
Refitting the exhaust manifold
– Using centering studs, refit the exhaust manifold and
the gaskets.
– Tighten the screws (B) of the cylinders 3 and 4 initially
at a torque of 7 daN.m.
142msm01 Fig. 27
B
A

A2.16 Arion 630-610 C – 09.2008 – GB
Removing the thermostat cover
Note: Draining the A/C circuit is not necessary. Move
only the A/C compressor (A).
– Drain the coolant system.
– Remove the A/C bracket (B) if option.
– Disconnect the temperature sensor.
– Disconnect the hose.
– Remove the screws (C).
– Mark the position of the thermostats and remove them.
Refitting the thermostat cover
– Change the gasket and the thermostat.
– Fit the cover.
– Tighten the screws (C) to a torque of 4,7 daN.m.
– Fill the cooling fluid circuit.
254msm00 Fig. 28
254msm01 Fig. 29
A
B
C

Arion 630-610 C – 09.2008 – GB A2.17
Removing the cylinder head cover
Note : Removing the injector bundle is not necessary.
Remove only the connector bracket.
– Remove any items interfering with removing the rocker
cover (alternator according to options, intake hose, etc.).
– Unscrew the thermal shield of the injectors (A).
– Remove the caps (B), nuts (C), and O-rings (D).
– Remove the rocker cover (E).
133msm00 Fig. 30
Refitting the cylinder head cover
Important: change the sealing gasket (F) whenever
removing the cylinder head cover.
– Fit the rocker cover (E), O-rings (D).
– Tighten nuts (C) to 1,1 daN.m. Fit the caps (B).
– Fit the heat shield (A).
133msm01 Fig. 31
A
B
C
D
E
F
E

A2.18 Arion 630-610 C – 09.2008 – GB
Removing the rocker arm assembly
Important: Untighten the rocker adjustment screws
before removing the ramp.
– Remove the screws (A).
– Remove the rocker arm rods (B).
131msm15 Fig. 32
Refitting the rocker shaft
– Fit the rocker rods (B).
Important: The port (C) in the rocker arm assembly
must be aligned with the port (D) in the cylinder head.
– Lubricate the rocker arm assembly.
– Fit the rocker arm assembly. Tighten the screws to a
torque of 6 daN.m.
– Adjust the rocker.
131hsm13 Fig. 33
A
B
C
D

Arion 630-610 C – 09.2008 – GB A2.19
Adjusting the valve rockers
Note: This check must be performed on a cold engine.
– Remove the plastic cover covering the rotation hole (A)
and the timing hole (B).
– Use tool n°60 05 005 528 to turn the engine in the
running direction, until cylinder 1 (timing side) reaches
top dead center of its compression stroke.
– Fit the timing gauge n° 60 05 005 576.
Note: If piston n°1 is at tope dead center of its
compression stroke, the rockers have play.
134hsm20 Fig. 34
– Check and adjust the rockers.
Inlet valves: 0,36 mm.
Exhaust valves: 0,46 mm.
– If adjusting the rockers is required, loosen the locknut
(D). Turn the adjustment screw (C) until the shim slides
with a slight resistance. Hold the adjustment screw (C).
Tighten the nut (A) to a torque of 2,7 daN.m.
– Check clearance.
134msm02 Fig. 35
B
A
DC

A2.20 Arion 630-610 C – 09.2008 – GB
Method of adjustment
– Adjust piston n°1 at top dead center of its compression
stroke.
– Adjust the clearance of the exhaust valves No. 1, 3 and
5, and the intake valves No. 1, 2 and 4.
– Turn the crankshaft by 360° and block cylinder n°6 at
top dead center 'TDC' of its compression stroke.
– Adjust the clearance of the exhaust valves No. 6, 4 and
2, and the intake valves No. 6, 5 and 3.
A Front of engine.
B Piston No. 1 at TDC.
C Piston No. 6 at TDC.
E Exhaust valve
I Intake valve.
Adjusting the valve rockers.
101msm19 Fig. 36
A
C
B
E I E EE IE IE I I I
E I E EE IE IE I I I
123456
123456

Arion 630-610 C – 09.2008 – GB A2.21
Removing the injector coupling
Note: Smear the injector coupling to remove with
grease.
– Tap the injector coupling over 1 cm using an M22 x 250
tap.
– Install and screw the locally manufactured tool (A) into
the injector sleeve.
– Pull the injector coupling (B).
132msm06 Fig. 37
132msm07 Fig. 38
132msm08 Fig. 39
A
A
B

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Claas Arion 630 610 tractor repair manual

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