Claas axion 900 (type a23) tractor service repair manual (serial number a2300050 and up)

EQ 200 gearbox
Repair manual
Original repair manual
1/1Couverture RHB (A23) Boîte de vitesses EQ 200
2020/3/25http://localhost:8081/webtic/app/Module/278/011/en/0/139496/004/EN/Target0

Using this repair manual
This repair manual will help ensure the tractor is always in full working order. Regular maintenance and
upkeep, carried out by the after-sales technical department will preserve the high value of this CLAAS tractor.
All of the expertise our after-sales technicians and the manufacturer can offer is summarised in this repair
manual.
The sequence of illustrations show the breakdown of a repair process. The text gives the instructions
required for setting, for using the special tools and much more.
The repair manual, as a reference document, is kept up to date with supplements and changes to meet any
technical developments made to the tractor.
To ensure the highest level of safety, it is essential to compare the setting values and filling volumes with
those on the current manual for the corresponding tractor.
Text and illustrations
References can be easily distinguished from each other by the symbols. The different symbols are as follows:
Symbol Meaning Description
Consult the index.
This symbol indicates that additional
information on this subject is available in another
part of this manual.
Consult the index of the
corresponding user
manual.
information on this subject is available in the
tractor's user manual.
Consult the technical
system index.
information on this subject is available in the
tractor's technical system manual.
Section classification
The different parts of this repair manual are classed by chapter and section, whenever the content allows
this. The document's structure is identical in each chapter and section.
CLAAS tries to retain this chapter structure in each document.
Search and find
The chapter structure, the table of contents and the document title make the subjects easier to find.
The index is also a useful tool for finding the required subjects. The index appears at the end of each
document.
Direction indications
Indications in the text such as front, rear, right apply as taken in the direction of travel. In the illustrations, the
direction of travel may be indicated by a direction arrow.
Your CLAAS After-Sales Service
1/1Utilisation de ce manuel de réparation
2020/3/25http://localhost:8081/webtic/app/Module/278/011/en/2.1.1/139135/003/EN

Validity of this repair manual
This repair manual applies to the tractor:
Description Type
Tractor serial number
from to
AXION 900 A23 A2300050 —
1/1Validité de ce manuel de réparation
2020/3/25http://localhost:8081/webtic/app/Module/278/011/en/2.1.2/139159/003/EN/Tar...

Sump
Number Value CCN Note – Description
1 — — The engine weighs 800 kg.
2 — — The chassis weight is 600 kg.
3
41.5 ± 3.5 N·m
— M10 x 180 bolt
4 — M10 x 170 bolt
5
63 ± 7 N·m
— M12 x 70 bolt
6 — M12 x 45 bolt
7 41.5 ± 3.5 N·m — M10 x 45 bolt
8 — —
Apply Loctite (5910) on the joint face on the engine side, at
the connections with the sump.
9 41.5 ± 3.5 N·m — M10 x 100 bolt
10 — — Cover the seals with "CLAAS Agrigrease EP2" grease.
For unspecified tightening torques, refer to the section entitled "Tightening torques".
Preparation for work
Consumables to be used
- Lubricant:
CLAAS AGRIGREASE EP2 – 00 0147 437 0.
1/8Carter inférieur (A23) Axion 950-920

- Sealing and glue product:
Loctite (5910) - 00 1132 145 0.
Loctite (5910) - 60 0570 399 0.
Special tool
Special tool – Reference no. Quantity
1
77 0138 805 8
Slide hammer
1
Removal
► Removing the tractor engine.
In order to carry out the removal, the engine should be perfectly horizontal.
► Fit the rear part of the engine with the auxiliary tool.
► Place the engine on a flat, horizontal surface.
Auxiliary tool
Auxiliary tool
Support bracket (to be supplied locally)
M20 x 100 bolt
M20 nut

► Weld a nut onto the guide pin.
► Remove the guide pin with a slide hammer.
► Unplug the engine oil level gauge.

► Unscrew the mounting bolts from the (1) sump.

► Fit the mounting legs where marked (1).
► Lift the engine using suitable lifting equipment.
► Place the engine onto a flat, stable surface.
The engine weighs 800 kg.
► Remove the seal (1) from the lubrication pump.

► Remove the seal (2) from the sump.
Fitting
Respect the technical specifications from the overview.
► Clean the surfaces of the front and rear housing seals.
► Apply a strip of Loctite to the housing connections (1).
► Fit and grease the seal of the flywheel housing on the oil sump.

► Clean the surfaces.
► Fit and grease the sump seals.
► Clean the screw threads.
► Apply Loctite.
► Fit the auxiliary tools in the holes (1).
Auxiliary tool
Centring tool (to be supplied locally).
Threaded spindle M12 x 120
► Fit the engine block.
Important: Do not damage the flywheel housing-oil sump seal.

► Fit and tighten the crankcase mounting screws.
► Connect the engine oil level gauge.
► Fit the guide pin.
► Remove the mounting legs.
► Position the engine in the tractor.

Centrifuge oil vapour filter
Number Value CCN Note – Description
1 — — Centrifuge oil vapour filter.
2 10 ± 2 N·m —
Centrifuge oil vapour filter mounting bolts.
Coat the bolts with Loctite (243)
For unspecified tightening torques, refer to the section entitled: "Tightening torques".
Preparation for work
Consumables to be used
- Sealing and glue product:
Loctite (243) – 60 057 153 1.
CAUTION
Replacing the centrifuge oil vapour filter.
Risk of burns.
► Let the engine cool before starting work.
► Wear protective gloves.
NOTICE
Replacing the centrifuge oil vapour filter.
Objects falling into the engine block.
► Proceed with care to prevent any screws or tools falling into the engine block.
Environment!
Pollution.
Environmental pollution.
► Dispose of the used filter according to currently enforced regulations.
1/3Filtre à vapeur d'huile centrifuge

Information
Hydraulic hoses.
Poor accessibility.
► Arrange the hydraulic hoses so as to ensure easy access to the mounting bolts for the access flap and
the centrifuge oil vapour filter cover.
Removal
► Let the engine cool.
► Lift the engine bonnet.
► Move aside the hydraulic hoses located between the access flap (2) and the windscreen without
disconnecting them, to access the bolts (1).
► Undo the 5 bolts (1) on the access flap (2) located on the engine bonnet support (3).
► Remove the access flap (2).
► Undo the 13 bolts (3) on the cover (4).

► Remove the cover (4) and the metal seal.
► Undo the 3 bolts (5) and remove the centrifuge oil vapour filter.
Fitting
► Fit the centrifuge oil vapour filter (5):
► Replace the metal seal and refit the cover (4).
Setting the timing
► fit and tighten the 13 bolts (3).
► Refit the access flap (2).
► Fit and tighten the bolts (1).
► Release the hydraulic hoses located between the access flap (2) and the windscreen.

Repairing the cylinder block
Checks and measurements of the liners
► Check the internal diameter of the cylinders for runout, tapering and wear, using a gauge (2) with a dial
gauge (1), set to zero on the ring gauge (3) with a diameter of 117 mm.
NB: If you do not have a ring gauge with a diameter of 117 mm available, use a micrometer.
1 = 1 st
measurement.
2 = 2 nd
measurement.
3 = 3 rd
measurement.
Measurements must be taken for each cylinder at three heights along the liner and on two perpendicular
levels "A" and "B".
1/2Remise en état du bloc cylindres

Selection class A = ø 117 ↔ 117.012 mm
Selection class B = ø 117.010 ↔ 117.022 mm
X = marking zone, selection class
► Replace the cylinder if the maximum wear differs by 0.150 mm or the maximum runout by 0.100 mm from the
values indicated.
► Do not attempt to correct or deglaze.
NB: The cylinders are provided as spares with selection class "A".
2/2Remise en état du bloc cylindres

Liners
Replacing the liners
Special tool
Special tool (I) – Reference no.
Liner compression tool
No. 00 1153 323 0
Special tool (II) – Reference no.
Liner compression plate
No. 00 1153 324 0
1/4Chemises

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Special tool (III) – Reference no.
Dial gauge
No. 00 1157 074 0
Special tool (IV) – Reference no.
Base for dial gauge
No. 00 1992 870 0
Removal
2/4Chemises

- Position the parts of standard tool (1) and (2).
- Position the panel (4).
- Check that the panel (4) is resting correctly on the liner.
- Tighten the nut on the bolt (1).
- Release the liner (3) from the engine block.
Assembly and checking clearance
► Always replace the water seals (3), (4) and (5).
► Place the adjustment shim (1) on the liner (2).
► Lubricate the lower part.
► Fit the adjustment shim in the cylinder group using an appropriate tool.
Note: The adjustment shim (1) is available in the following widths: 0.08 mm, 0.10 mm, 0.12 mm.
► Using special tools (I) and (II), check the cylinder liner protrusion by tightening the bolt (1) to a torque of
170 N.m.
3/4Chemises

► Using special tools (III) and (IV), measure the cylinder liner protrusion in relation to the cylinder head support
faces.
Cylinder clearance
The clearance must be between 0.035 and 0.065 mm. If this is not the case, replace the adjustment shim (1),
which is available in various widths.
► When assembly is complete, fasten the cylinders (1) to the engine block using (2) the columns (3).
4/4Chemises

Claas axion 900 (type a23) tractor service repair manual (serial number a2300050 and up)

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