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Service Information
Document Title: Function Group: Information Type: Date:
Engine, description 200 Service Information 2014/3/20
Profile:
CEX, EC15C [GB]
Engine, description
The engine is a vertical, water-cooled, in-line, three-cylinder, four-stroke diesel with eddy chamber injection. It is a low
emission engine to American EPA Guideline Tier IV.
The engine serial number is stamped on the name plate, on the top of the valve cover. The engine model designation and
serial number must be indicated when ordering spare parts.
The direction of rotation viewed from the flywheel is anticlockwise. Ignition sequence: 1-3-2 (cylinder no. 1 on flywheel side).
Figure 1
Engine and Components
1 Alternator 7 Valve cover / cylinder head cover
2 Fan rotor 8 Starter motor
3 Lifting eye 9 Exhaust manifold
4 Engine identification plate 10 Muffler
5 Lifting eye 11 Radiator
6 Flywheel
Figure 2
Engine and Components
1 Main fuel filter 9 Injection pump
2 Air intake hose 10 Dipstick gauge
3 Throttle cable 11 Engine oil filter
4 Air cleaner assembly 12 Gear oil outlet
5 Fuel delivery valves 13 Oil pan
6 Coolant expansion tank 14 Injection pump shutdown solenoid
7 Fuel water separator 15 Electric fuel feed pump
8 Oil filler pipe
Service Information
Document Title: Function Group: Information Type: Date:
Troubleshooting chart 200 Service Information 2014/3/20
Profile:
CEX, EC15C [GB]
Troubleshooting chart
The following table summarizes the general trouble symptoms and their causes. If any trouble symptom occurs, take
corrective action before it develops into a serious problem so as not to shorten the engine service life.
Engine troubleshooting chart
Trouble symptoms Causes Corrective actions
Improper clearance of inlet/exhaust valve Adjust the valve clearance
Engine does not start
Seizure of inlet/exhaust valve Correct or replace
Seized or broken piston ring Replace the piston ring
Worn piston ring, piston or cylinder Perform honing and use oversize parts
Seized crankpin metal or bearing Repair or replace
Foreign matter trapped in combustion chamber Disassemble and repair
Improper open/close timing of intake/exhaust
valves
Adjust the valve clearance
Improper properties of lubricating oil Use proper lubricating oil
Water entrance in fuel system Perform draining from the fuel filter
Clogged fuel filter Clean or replace
Air entrance in fuel system Perform air bleeding
Clogged or cracked fuel pipe Clean or replace
Insufficient fuel supply to fuel injection pump Check the fuel tank cock, fuel tank, fuel
pipe and fuel feed pump
Priming failure (foreign matter trapped in the
valve inside the priming pump)
Disassemble and clean
Starting motor defect Repair or replace
Alternator defect Repair or replace
Open circuit in wiring harness Repair
Battery voltage drop Inspect and charge the battery
Improper clearance of inlet/exhaust valve Adjust the valve clearance
Engine starts, but stops
soon.
Exhaust smoke none.
Seized crankpin metal or bearing Repair or replace
Improper arrangement of piston rings joint Correct the ring joint positions
Defective governor Make adjustment
Improper properties of lubricating oil Use proper lubricating oil
Insufficient lubricating oil level Add proper lubricating oil
Clogged fuel filter Clean or replace
Air entrance in fuel system Perform air bleeding
Clogged or cracked fuel pipe Clean or replace
Insufficient fuel supply to fuel injection pump Check the fuel tank cock, fuel tank, fuel
pipe and fuel feed pump
Seizure of inlet/exhaust valve Correct or replace
Engine starts, but stops
soon.
Exhaust smoke excessive.
Seized or broken piston ring Replace the piston ring
Worn piston ring, piston or cylinder Perform honing and use oversize parts
Water entrance in fuel system Perform draining from the fuel filter
Clogged air filter Clean
Improper clearance of inlet/exhaust valve Adjust the valve clearance
Insufficient engine output.
Exhaust color : ordinary Compression leakage from valve seat Lap the valve seat
Seizure of inlet/exhaust valve Correct or replace
Blowout from cylinder head gasket Replace the gasket
Worn crankpin and journal bearing Measure and replace
Improper properties of lubricating oil Use proper lubricating oil
Improper properties of fuel oil Use proper fuel oil
Clogged fuel filter Clean or replace
Air entrance in fuel system Perform air bleeding
Clogged or cracked fuel pipe Clean or replace
Insufficient fuel supply to fuel injection pump Check the fuel tank cock, fuel tank, fuel
pipe and fuel feed pump
Clogged strainer at fuel feed pump inlet Clean the strainer
Seized or broken piston ring Replace the piston ring
Insufficient engine output.
(Exhaust color : white) Worn piston ring, piston or cylinder Perform honing and use oversize parts
Improper arrangement of piston rings joint Correct the ring joint positions
Reverse assembly of piston ring Reassemble correctly
Worn inlet/exhaust valve guide Measure and replace
Improper open/close timing of intake/exhaust
valves
Adjust the valve clearance
Timing of fuel injection pump too late Check and adjust
Improper properties of fuel oil Use proper fuel oil
Water entrance in fuel system Perform draining from the fuel filter
Uneven injection volume of fuel injection pump Check and adjust
Poor spray pattern from fuel injection nozzle Check and adjust
Compression leakage from valve seat Lap the valve seat
Insufficient engine output.
(Exhaust color : black) Seizure of inlet/exhaust valve Correct or replace
Improper open/close timing of intake/exhaust
valves
Adjust the valve clearance
Insufficient cooling effect of radiator,
Defective thermostat (kept opened) or slipping
fan belt
Repair or replace thermostat and fan
belt
Insufficient coolant level Check leakage from cooling system
Slackened fan belt Adjust the belt tension
Defective thermostat Check or replace
Timing of fuel injection pump too late Check and adjust
Improper properties of fuel oil Use proper fuel oil
Uneven injection volume of fuel injection pump Check and adjust
Poor spray pattern from fuel injection nozzle Check and adjust
Clogged air filter Clean
Engine used at high temperature or at high
altitude
Study output drop and load matching
Clogged exhaust pipe Clean
Seized or broken piston ring Replace the piston ring
Poor exhaust color : white
(During work) Worn piston ring, piston or cylinder Perform honing and use oversize parts
Reverse assembly of piston ring Reassemble correctly
Improper open/close timing of intake/exhaust
valves
Adjust the valve clearance
Excessive cooling effect of radiator, Repair or replace
Defective thermostat (kept closed)
Defective thermostat Check or replace
Timing of fuel injection pump too early Check and adjust
Timing of fuel injection pump too late Check and adjust
Improper properties of fuel oil Use proper fuel oil
Water entrance in fuel system Perform draining from the fuel filter
Uneven injection volume of fuel injection pump Check and adjust
Poor spray pattern from fuel injection nozzle Check and adjust
Compression leakage from valve seat Lap the valve seat
Poor exhaust color : black
(During work) Seizure of inlet/exhaust valve Correct or replace
Improper open/close timing of intake/exhaust
valves
Adjust the valve clearance
Timing of fuel injection pump too early Check and adjust
Timing of fuel injection pump too late Check and adjust
Improper properties of fuel oil Use proper fuel oil
Uneven injection volume of fuel injection pump Check and adjust
Excessive fuel injection volume Check and adjust
Poor spray pattern from fuel injection nozzle Check and adjust
Clogged air filter Clean
Engine used at high temperature or at high
altitude
Study output drop and load matching
Clogged exhaust pipe Clean
High knocking sound during
compression
Timing of fuel injection pump too early Check and adjust
Improper clearance of inlet/exhaust valve Adjust the valve clearance
Abnormal engine sound
Compression leakage from valve seat Lap the valve seat
Seizure of inlet/exhaust valve Correct or replace
Seized or broken piston ring Replace the piston ring
Seized crankpin metal or bearing Repair or replace
Worn crankpin and journal bearing Measure and replace
Loosened connecting rod screw Tighten to specified torque
Foreign matter trapped in combustion chamber Disassemble and repair
Excessive gear backlash Adjust gear and repair
Improper open/close timing of intake/exhaust
valves
Adjust the valve clearance
Improper properties of fuel oil Use proper fuel oil
Uneven combustion sound
Water entrance in fuel system Perform draining from the fuel filter
Uneven injection volume of fuel injection pump Check and adjust
Poor spray pattern from fuel injection nozzle Check and adjust
Clogged air filter Clean
Clogged exhaust pipe Clean
Seized or broken piston ring Replace the piston ring
Hunting during idling
Seized crankpin metal or bearing Repair or replace
Worn crankpin and journal bearing Measure and replace
Defective governor Make adjustment
Water entrance in fuel system Perform draining from the fuel filter
Uneven injection volume of fuel injection pump Check and adjust
Poor spray pattern from fuel injection nozzle Check and adjust
Seizure of inlet/exhaust valve Correct or replace
Hunting during work
Seized crankpin metal or bearing Repair or replace
Worn crankpin and journal bearing Measure and replace
Defective governor Make adjustment
Water entrance in fuel system Perform draining from the fuel filter
Uneven injection volume of fuel injection pump Check and adjust
Poor spray pattern from fuel injection nozzle Check and adjust
Seizure of inlet/exhaust valve Correct or replace
Large engine vibration
Seized or broken piston ring Replace the piston ring
Seized crankpin metal or bearing Repair or replace
Worn crankpin and journal bearing Measure and replace
Loosened connecting rod screw Tighten to specified torque
Defective governor Make adjustment
Timing of fuel injection pump too early Check and adjust
Uneven injection volume of fuel injection pump Check and adjust
Poor spray pattern from fuel injection nozzle Check and adjust
Difficulty in returning to low
speed
Defective governor Make adjustment
Compression leakage from valve seat Lap the valve seat
Excessive fuel consumption
Excessive cooling effect of radiator,
Defective thermostat (kept closed)
Repair or replace
Timing of fuel injection pump too late Check and adjust
Excessive fuel injection volume Check and adjust
Poor spray pattern from fuel injection nozzle Check and adjust
Engine used at high temperature or at high
altitude
Study output drop and load matching
Seized or broken piston ring Replace the piston ring
Excessive lubricating oil
consumption Worn piston ring, piston or cylinder Perform honing and use oversize parts
Improper arrangement of piston rings joint Correct the ring joint positions
Reverse assembly of piston ring Reassemble correctly
Foreign matter trapped in combustion chamber Disassemble and repair
Worn inlet/exhaust valve guide Measure and replace
Improper properties of lubricating oil Use proper lubricating oil
Leakage from lubricating oil piping system Repair
Excessive fuel injection volume Check and adjust
Seizure of inlet/exhaust valve Correct or replace
Lubricating oil diluted by
fuel Seized or broken piston ring Replace the piston ring
Worn piston ring, piston or cylinder Perform honing and use oversize parts
Blowout from cylinder head gasket Replace the gasket
Lubricating oil mixed with
water Cracked water jacket Repair or replace
Worn crankpin and journal bearing Measure and replace
Low lubricating oil pressure
Loosened connecting rod screw Tighten to specified torque
Cracked water jacket Repair or replace
Improper properties of lubricating oil Use proper lubricating oil
Leakage from lubricating oil piping system Repair
Insufficient delivery capacity of trochoid pump Check and repair
Clogged lubricating oil filter Clean or replace
Defective pressure regulating valve Check, adjust or replace
Insufficient lubricating oil level Add proper lubricating oil
Compression leakage from valve seat Lap the valve seat
Excessive blow-by gas
Seizure of inlet/exhaust valve Correct or replace
Seized or broken piston ring Replace the piston ring
Worn piston ring, piston or cylinder Perform honing and use oversize parts
Seized crankpin metal or bearing Repair or replace
Improper arrangement of piston rings joint Correct the ring joint positions
Reverse assembly of piston ring Reassemble correctly
Foreign matter trapped in combustion chamber Disassemble and repair
Worn inlet/exhaust valve guide Measure and replace
Improper properties of lubricating oil Use proper lubricating oil
Clogged lubricating oil filter Clean or replace
Excessive fuel injection volume Check and adjust
Blowout from cylinder head gasket Replace the gasket
Overheating of coolant
Seized or broken piston ring Replace the piston ring
Insufficient cooling effect of radiator,
Defective thermostat (kept opened) or slipping
fan belt
Repair or replace thermostat and fan
belt
Insufficient coolant level Check leakage from cooling system
Cracked water jacket Repair or replace
Slackened fan belt Adjust the belt tension
Defective thermostat Check or replace
Excessive fuel injection volume Check and adjust
Engine used at high temperature or at high
altitude
Study output drop and load matching
Excessive cooling effect of radiator,
Defective thermostat (kept closed)
Repair or replace
Low coolant temperature
Defective thermostat Check or replace
Improper clearance of inlet/exhaust valve Adjust the valve clearance
Air inlet pressure drop
Compression leakage from valve seat Lap the valve seat
Seizure of inlet/exhaust valve Correct or replace
Clogged air filter Clean
Engine used at high temperature or at high
altitude
Study output drop and load matching
Air inlet pressure rise Excessive fuel injection volume Check and adjust
Improper clearance of inlet/exhaust valve Adjust the valve clearance
Exhaust temperature rise
Compression leakage from valve seat Lap the valve seat
Seized or broken piston ring Replace the piston ring
Insufficient cooling effect of radiator,
Defective thermostat (kept opened) or slipping
fan belt
Repair or replace thermostat and fan
belt
Insufficient coolant level Check leakage from cooling system
Slackened fan belt Adjust the belt tension
Timing of fuel injection pump too late Check and adjust
Uneven injection volume of fuel injection pump Check and adjust
Excessive fuel injection volume Check and adjust
Clogged exhaust pipe Clean
Service Information
Document Title: Function Group: Information Type: Date:
Engine, removing 210 Service Information 2014/3/20
Profile:
CEX, EC15C [GB]
Engine, removing
Op nbr 210-070
Lifting device
Seat belt, 2m
Seat belt, 0.5m
2 Shackle
WARNING
The work involves handling heavy components - failure to stay alert may result in severe crushing injuries.
1. Place the machine in the service position 1, see 191 Service position 1
2. Set the battery disconnect switch to the Off position.
Figure 1
Battery disconnection switch
3. Turn fuel cock to position C.
Figure 2
Main fuel filter
4. Turn fuel cock to position C.
Figure 3
Water separator
5. Remove upper left-hand side panel.
Figure 4
Left-hand side panels, remove
1.
2.
Attaching screws
Attaching screws
6. Remove lower left-hand side panel.
WARNING
If the battery's plus terminal is short-circuited to the minus terminal or to the chassis, there is a risk of
explosion or fire. Therefore, always protect the battery terminals.
7. Disconnect ground terminal (1) at battery.
Figure 5
Battery, disconnect terminals
1.
2.
Ground terminal (- pole)
Positive terminal (+ pole)
8. Remove pole cover at the positive terminal (2) of the battery and disconnect terminal.
9. Remove battery holder.
Figure 6
Battery holder, remove
10. Carefully lift battery out of superstructure.
11. Remove ground cable (1).
Figure 7
Remove battery bracket
1.
2.
3.
Ground cable
Attaching screws
Hose clamp
12. Remove hose clamp (3), fixing bolts (2) and bracket.
13. Remove hose clamp at underside of battery disconnection switch.
Figure 8
Hose clamp, remove
14. Remove fixing bolts (1) for upper rear panel and remove upper rear panel including engine hood.
Figure 9
Remove rear panel
1. Attaching screws
15. Remove closing panel (1).
Figure 10
Closing panel, remove
1. Closing panel
16. Remove cover plate (1)
Figure 11
Cover plate, remove
1.
2.
Cover plate
Drain plug, fuel tank
17. Remove drain plug (2) and drain fuel tank into a suitable catchment container.
NOTICE
Do the work in an environmentally safe manner.
18. Drain hydraulic tank, see .
173 Hydraulic system, changing oil
19. Remove nuts (1) from rear cab fixing bolts.
Figure 12
Cab mounting
1.
2.
Nuts, cab fixing bolts
Connecting bolt cab - cab platform
WARNING
The parts are heavy. Take appropriate safety precautions.
20. Using suitable lifting gear, raise cab at rear eyelets by approx. 3 cm (1.18 in) and secure.
Figure 13
Cab with lifting tool
NOTE!
Weight approx. 260 kg (573.2 lbs)
21. Remove radiator, see .
261 Radiator, removal
22. Remove alternator, see .
321 Alternator, removing
23. Detach air intake hose (1) at engine.
Figure 14
Engine with ancillaries
1. Air intake hose
24. Remove hose clamp (2) from throttle cable.
Figure 15
Hose clamp, remove
1.
2.
Mounting screw
Hose clamp, throttle cable
25. Detach hose for hydraulic tank ventilation at tank.
Figure 16
Hose line, remove
26. Remove hose clamp (2) and connecting hose (3) with grommet (4).
Figure 17
Hydraulic tank ventilation, remove
1.
2.
3.
4.
Hose clamp
Screw
Jumper hose
Grommet
27. Withdraw connecting cable at air filter casing sensor.
28. Remove air filter casing with bracket (1).
Figure 18
Air filter
1. Carrier
29. Detach cable at fixing and at lever.
Figure 19
Cable, remove
30. Remove hose (4) at inlet to hydraulic oil filter.
Figure 20
Return filter
1.
2.
3.
4.
Mounting screw
Hydraulic oil filter inc. filter holder
Hose clamp
Hose assembly
31. Remove fixing bolts (1) and remove hydraulic oil filter.
32. Remove fixing bolt (1) for main fuel filter.
Figure 21
Main fuel filter, remove
1.
2.
Main fuel filter
Leak-oil filter
33. Remove fixing bolts and remove leakage oil filter (2).
34. Remove hydraulic hose at leakage oil filter.
NOTICE
When a hose has been disconnected, plug both the hose and the connection immediately. The hoses should
be marked for correct connection.
35. Guide leakage oil lines through the opening in the hydraulic oil tank bracket.
Figure 22
Opening, hydraulic oil tank bracket
1.
2.
Hose clamp, return line
Opening, hydraulic oil tank bracket
36. Release hose clamp (2) and remove suction hose (3) from hydraulic pump.
NOTICE
Collect draining oil.
Figure 23
Hydraulic pump, remove
1.
2.
3.
Attaching screws
Hose clamp
Suction line
37. Remove hydraulic pump
38. Release pipe bracket (1) and connecting clamp (2) and remove exhaust tailpipe (3).
Figure 24
Exhaust tailpipe, remove
1.
2.
3.
Pipe bracket
Clamp
Exhaust tailpipe
39. Release fixing bolts on bracket (1).
Figure 25
Bracket, remove
1. Bracket
40. Remove upper fixing bolt (2) for left transport bracket (1) on engine, release lower fixing bolt (3) and swivel the
bracket forwards.
Figure 26
Transport bracket, swivel
1.
2.
3.
Transport bracket
Upper fixing bolt
Lower fixing bolt
41. Remove hydraulic oil tank bracket together with hydraulic oil tank.
42. Swivel the transport bracket into the original position and install bolts (2, 3).
43. Remove bolts (1) for engine mount
Figure 27
Engine mount
1. Screw
44. Remove hose clamp (1) on engine mount.
Suggest:
If the above button click is invalid.
Please download this document
first, and then click the above link
to download the complete manual.
Thank you so much for reading
Figure 28
Hose clamp, remove
1. Clamp, coolant hoses
45. Remove engine mount rear/right
Figure 29
Engine mount, remove
46. Remove heating hoses on engine.
Figure 30
Remove coolant hoses
NOTICE
Do the work in an environmentally safe manner.
47. Detach hose lines from fuel tank and withdraw.
48. Remove connecting cable from fill level sender (SE 2303) and fuel pump (MO 2303).

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Volvo EC15C Compact Excavator Service Repair Manual Instant Download.pdf

  • 1. Service Information Document Title: Function Group: Information Type: Date: Engine, description 200 Service Information 2014/3/20 Profile: CEX, EC15C [GB] Engine, description The engine is a vertical, water-cooled, in-line, three-cylinder, four-stroke diesel with eddy chamber injection. It is a low emission engine to American EPA Guideline Tier IV. The engine serial number is stamped on the name plate, on the top of the valve cover. The engine model designation and serial number must be indicated when ordering spare parts. The direction of rotation viewed from the flywheel is anticlockwise. Ignition sequence: 1-3-2 (cylinder no. 1 on flywheel side). Figure 1 Engine and Components 1 Alternator 7 Valve cover / cylinder head cover 2 Fan rotor 8 Starter motor 3 Lifting eye 9 Exhaust manifold 4 Engine identification plate 10 Muffler 5 Lifting eye 11 Radiator 6 Flywheel
  • 2. Figure 2 Engine and Components 1 Main fuel filter 9 Injection pump
  • 3. 2 Air intake hose 10 Dipstick gauge 3 Throttle cable 11 Engine oil filter 4 Air cleaner assembly 12 Gear oil outlet 5 Fuel delivery valves 13 Oil pan 6 Coolant expansion tank 14 Injection pump shutdown solenoid 7 Fuel water separator 15 Electric fuel feed pump 8 Oil filler pipe
  • 4. Service Information Document Title: Function Group: Information Type: Date: Troubleshooting chart 200 Service Information 2014/3/20 Profile: CEX, EC15C [GB] Troubleshooting chart The following table summarizes the general trouble symptoms and their causes. If any trouble symptom occurs, take corrective action before it develops into a serious problem so as not to shorten the engine service life. Engine troubleshooting chart Trouble symptoms Causes Corrective actions Improper clearance of inlet/exhaust valve Adjust the valve clearance Engine does not start Seizure of inlet/exhaust valve Correct or replace Seized or broken piston ring Replace the piston ring Worn piston ring, piston or cylinder Perform honing and use oversize parts Seized crankpin metal or bearing Repair or replace Foreign matter trapped in combustion chamber Disassemble and repair Improper open/close timing of intake/exhaust valves Adjust the valve clearance Improper properties of lubricating oil Use proper lubricating oil Water entrance in fuel system Perform draining from the fuel filter Clogged fuel filter Clean or replace Air entrance in fuel system Perform air bleeding Clogged or cracked fuel pipe Clean or replace Insufficient fuel supply to fuel injection pump Check the fuel tank cock, fuel tank, fuel pipe and fuel feed pump Priming failure (foreign matter trapped in the valve inside the priming pump) Disassemble and clean Starting motor defect Repair or replace Alternator defect Repair or replace Open circuit in wiring harness Repair Battery voltage drop Inspect and charge the battery Improper clearance of inlet/exhaust valve Adjust the valve clearance Engine starts, but stops soon. Exhaust smoke none. Seized crankpin metal or bearing Repair or replace Improper arrangement of piston rings joint Correct the ring joint positions Defective governor Make adjustment Improper properties of lubricating oil Use proper lubricating oil Insufficient lubricating oil level Add proper lubricating oil Clogged fuel filter Clean or replace Air entrance in fuel system Perform air bleeding Clogged or cracked fuel pipe Clean or replace Insufficient fuel supply to fuel injection pump Check the fuel tank cock, fuel tank, fuel pipe and fuel feed pump Seizure of inlet/exhaust valve Correct or replace Engine starts, but stops soon. Exhaust smoke excessive. Seized or broken piston ring Replace the piston ring Worn piston ring, piston or cylinder Perform honing and use oversize parts Water entrance in fuel system Perform draining from the fuel filter
  • 5. Clogged air filter Clean Improper clearance of inlet/exhaust valve Adjust the valve clearance Insufficient engine output. Exhaust color : ordinary Compression leakage from valve seat Lap the valve seat Seizure of inlet/exhaust valve Correct or replace Blowout from cylinder head gasket Replace the gasket Worn crankpin and journal bearing Measure and replace Improper properties of lubricating oil Use proper lubricating oil Improper properties of fuel oil Use proper fuel oil Clogged fuel filter Clean or replace Air entrance in fuel system Perform air bleeding Clogged or cracked fuel pipe Clean or replace Insufficient fuel supply to fuel injection pump Check the fuel tank cock, fuel tank, fuel pipe and fuel feed pump Clogged strainer at fuel feed pump inlet Clean the strainer Seized or broken piston ring Replace the piston ring Insufficient engine output. (Exhaust color : white) Worn piston ring, piston or cylinder Perform honing and use oversize parts Improper arrangement of piston rings joint Correct the ring joint positions Reverse assembly of piston ring Reassemble correctly Worn inlet/exhaust valve guide Measure and replace Improper open/close timing of intake/exhaust valves Adjust the valve clearance Timing of fuel injection pump too late Check and adjust Improper properties of fuel oil Use proper fuel oil Water entrance in fuel system Perform draining from the fuel filter Uneven injection volume of fuel injection pump Check and adjust Poor spray pattern from fuel injection nozzle Check and adjust Compression leakage from valve seat Lap the valve seat Insufficient engine output. (Exhaust color : black) Seizure of inlet/exhaust valve Correct or replace Improper open/close timing of intake/exhaust valves Adjust the valve clearance Insufficient cooling effect of radiator, Defective thermostat (kept opened) or slipping fan belt Repair or replace thermostat and fan belt Insufficient coolant level Check leakage from cooling system Slackened fan belt Adjust the belt tension Defective thermostat Check or replace Timing of fuel injection pump too late Check and adjust Improper properties of fuel oil Use proper fuel oil Uneven injection volume of fuel injection pump Check and adjust Poor spray pattern from fuel injection nozzle Check and adjust Clogged air filter Clean Engine used at high temperature or at high altitude Study output drop and load matching Clogged exhaust pipe Clean Seized or broken piston ring Replace the piston ring Poor exhaust color : white (During work) Worn piston ring, piston or cylinder Perform honing and use oversize parts Reverse assembly of piston ring Reassemble correctly Improper open/close timing of intake/exhaust valves Adjust the valve clearance Excessive cooling effect of radiator, Repair or replace
  • 6. Defective thermostat (kept closed) Defective thermostat Check or replace Timing of fuel injection pump too early Check and adjust Timing of fuel injection pump too late Check and adjust Improper properties of fuel oil Use proper fuel oil Water entrance in fuel system Perform draining from the fuel filter Uneven injection volume of fuel injection pump Check and adjust Poor spray pattern from fuel injection nozzle Check and adjust Compression leakage from valve seat Lap the valve seat Poor exhaust color : black (During work) Seizure of inlet/exhaust valve Correct or replace Improper open/close timing of intake/exhaust valves Adjust the valve clearance Timing of fuel injection pump too early Check and adjust Timing of fuel injection pump too late Check and adjust Improper properties of fuel oil Use proper fuel oil Uneven injection volume of fuel injection pump Check and adjust Excessive fuel injection volume Check and adjust Poor spray pattern from fuel injection nozzle Check and adjust Clogged air filter Clean Engine used at high temperature or at high altitude Study output drop and load matching Clogged exhaust pipe Clean High knocking sound during compression Timing of fuel injection pump too early Check and adjust Improper clearance of inlet/exhaust valve Adjust the valve clearance Abnormal engine sound Compression leakage from valve seat Lap the valve seat Seizure of inlet/exhaust valve Correct or replace Seized or broken piston ring Replace the piston ring Seized crankpin metal or bearing Repair or replace Worn crankpin and journal bearing Measure and replace Loosened connecting rod screw Tighten to specified torque Foreign matter trapped in combustion chamber Disassemble and repair Excessive gear backlash Adjust gear and repair Improper open/close timing of intake/exhaust valves Adjust the valve clearance Improper properties of fuel oil Use proper fuel oil Uneven combustion sound Water entrance in fuel system Perform draining from the fuel filter Uneven injection volume of fuel injection pump Check and adjust Poor spray pattern from fuel injection nozzle Check and adjust Clogged air filter Clean Clogged exhaust pipe Clean Seized or broken piston ring Replace the piston ring Hunting during idling Seized crankpin metal or bearing Repair or replace Worn crankpin and journal bearing Measure and replace Defective governor Make adjustment Water entrance in fuel system Perform draining from the fuel filter Uneven injection volume of fuel injection pump Check and adjust Poor spray pattern from fuel injection nozzle Check and adjust Seizure of inlet/exhaust valve Correct or replace Hunting during work
  • 7. Seized crankpin metal or bearing Repair or replace Worn crankpin and journal bearing Measure and replace Defective governor Make adjustment Water entrance in fuel system Perform draining from the fuel filter Uneven injection volume of fuel injection pump Check and adjust Poor spray pattern from fuel injection nozzle Check and adjust Seizure of inlet/exhaust valve Correct or replace Large engine vibration Seized or broken piston ring Replace the piston ring Seized crankpin metal or bearing Repair or replace Worn crankpin and journal bearing Measure and replace Loosened connecting rod screw Tighten to specified torque Defective governor Make adjustment Timing of fuel injection pump too early Check and adjust Uneven injection volume of fuel injection pump Check and adjust Poor spray pattern from fuel injection nozzle Check and adjust Difficulty in returning to low speed Defective governor Make adjustment Compression leakage from valve seat Lap the valve seat Excessive fuel consumption Excessive cooling effect of radiator, Defective thermostat (kept closed) Repair or replace Timing of fuel injection pump too late Check and adjust Excessive fuel injection volume Check and adjust Poor spray pattern from fuel injection nozzle Check and adjust Engine used at high temperature or at high altitude Study output drop and load matching Seized or broken piston ring Replace the piston ring Excessive lubricating oil consumption Worn piston ring, piston or cylinder Perform honing and use oversize parts Improper arrangement of piston rings joint Correct the ring joint positions Reverse assembly of piston ring Reassemble correctly Foreign matter trapped in combustion chamber Disassemble and repair Worn inlet/exhaust valve guide Measure and replace Improper properties of lubricating oil Use proper lubricating oil Leakage from lubricating oil piping system Repair Excessive fuel injection volume Check and adjust Seizure of inlet/exhaust valve Correct or replace Lubricating oil diluted by fuel Seized or broken piston ring Replace the piston ring Worn piston ring, piston or cylinder Perform honing and use oversize parts Blowout from cylinder head gasket Replace the gasket Lubricating oil mixed with water Cracked water jacket Repair or replace Worn crankpin and journal bearing Measure and replace Low lubricating oil pressure Loosened connecting rod screw Tighten to specified torque Cracked water jacket Repair or replace Improper properties of lubricating oil Use proper lubricating oil Leakage from lubricating oil piping system Repair Insufficient delivery capacity of trochoid pump Check and repair Clogged lubricating oil filter Clean or replace Defective pressure regulating valve Check, adjust or replace Insufficient lubricating oil level Add proper lubricating oil Compression leakage from valve seat Lap the valve seat Excessive blow-by gas
  • 8. Seizure of inlet/exhaust valve Correct or replace Seized or broken piston ring Replace the piston ring Worn piston ring, piston or cylinder Perform honing and use oversize parts Seized crankpin metal or bearing Repair or replace Improper arrangement of piston rings joint Correct the ring joint positions Reverse assembly of piston ring Reassemble correctly Foreign matter trapped in combustion chamber Disassemble and repair Worn inlet/exhaust valve guide Measure and replace Improper properties of lubricating oil Use proper lubricating oil Clogged lubricating oil filter Clean or replace Excessive fuel injection volume Check and adjust Blowout from cylinder head gasket Replace the gasket Overheating of coolant Seized or broken piston ring Replace the piston ring Insufficient cooling effect of radiator, Defective thermostat (kept opened) or slipping fan belt Repair or replace thermostat and fan belt Insufficient coolant level Check leakage from cooling system Cracked water jacket Repair or replace Slackened fan belt Adjust the belt tension Defective thermostat Check or replace Excessive fuel injection volume Check and adjust Engine used at high temperature or at high altitude Study output drop and load matching Excessive cooling effect of radiator, Defective thermostat (kept closed) Repair or replace Low coolant temperature Defective thermostat Check or replace Improper clearance of inlet/exhaust valve Adjust the valve clearance Air inlet pressure drop Compression leakage from valve seat Lap the valve seat Seizure of inlet/exhaust valve Correct or replace Clogged air filter Clean Engine used at high temperature or at high altitude Study output drop and load matching Air inlet pressure rise Excessive fuel injection volume Check and adjust Improper clearance of inlet/exhaust valve Adjust the valve clearance Exhaust temperature rise Compression leakage from valve seat Lap the valve seat Seized or broken piston ring Replace the piston ring Insufficient cooling effect of radiator, Defective thermostat (kept opened) or slipping fan belt Repair or replace thermostat and fan belt Insufficient coolant level Check leakage from cooling system Slackened fan belt Adjust the belt tension Timing of fuel injection pump too late Check and adjust Uneven injection volume of fuel injection pump Check and adjust Excessive fuel injection volume Check and adjust Clogged exhaust pipe Clean
  • 9. Service Information Document Title: Function Group: Information Type: Date: Engine, removing 210 Service Information 2014/3/20 Profile: CEX, EC15C [GB] Engine, removing Op nbr 210-070 Lifting device Seat belt, 2m Seat belt, 0.5m 2 Shackle WARNING The work involves handling heavy components - failure to stay alert may result in severe crushing injuries. 1. Place the machine in the service position 1, see 191 Service position 1 2. Set the battery disconnect switch to the Off position. Figure 1 Battery disconnection switch 3. Turn fuel cock to position C. Figure 2 Main fuel filter
  • 10. 4. Turn fuel cock to position C. Figure 3 Water separator 5. Remove upper left-hand side panel. Figure 4 Left-hand side panels, remove 1. 2. Attaching screws Attaching screws 6. Remove lower left-hand side panel. WARNING If the battery's plus terminal is short-circuited to the minus terminal or to the chassis, there is a risk of explosion or fire. Therefore, always protect the battery terminals. 7. Disconnect ground terminal (1) at battery.
  • 11. Figure 5 Battery, disconnect terminals 1. 2. Ground terminal (- pole) Positive terminal (+ pole) 8. Remove pole cover at the positive terminal (2) of the battery and disconnect terminal. 9. Remove battery holder. Figure 6 Battery holder, remove 10. Carefully lift battery out of superstructure. 11. Remove ground cable (1). Figure 7 Remove battery bracket
  • 12. 1. 2. 3. Ground cable Attaching screws Hose clamp 12. Remove hose clamp (3), fixing bolts (2) and bracket. 13. Remove hose clamp at underside of battery disconnection switch. Figure 8 Hose clamp, remove 14. Remove fixing bolts (1) for upper rear panel and remove upper rear panel including engine hood. Figure 9 Remove rear panel 1. Attaching screws 15. Remove closing panel (1). Figure 10 Closing panel, remove 1. Closing panel
  • 13. 16. Remove cover plate (1) Figure 11 Cover plate, remove 1. 2. Cover plate Drain plug, fuel tank 17. Remove drain plug (2) and drain fuel tank into a suitable catchment container. NOTICE Do the work in an environmentally safe manner. 18. Drain hydraulic tank, see . 173 Hydraulic system, changing oil 19. Remove nuts (1) from rear cab fixing bolts. Figure 12 Cab mounting 1. 2. Nuts, cab fixing bolts Connecting bolt cab - cab platform WARNING The parts are heavy. Take appropriate safety precautions. 20. Using suitable lifting gear, raise cab at rear eyelets by approx. 3 cm (1.18 in) and secure.
  • 14. Figure 13 Cab with lifting tool NOTE! Weight approx. 260 kg (573.2 lbs) 21. Remove radiator, see . 261 Radiator, removal 22. Remove alternator, see . 321 Alternator, removing 23. Detach air intake hose (1) at engine. Figure 14 Engine with ancillaries 1. Air intake hose 24. Remove hose clamp (2) from throttle cable.
  • 15. Figure 15 Hose clamp, remove 1. 2. Mounting screw Hose clamp, throttle cable 25. Detach hose for hydraulic tank ventilation at tank. Figure 16 Hose line, remove 26. Remove hose clamp (2) and connecting hose (3) with grommet (4). Figure 17 Hydraulic tank ventilation, remove 1. 2. 3. 4. Hose clamp Screw Jumper hose Grommet 27. Withdraw connecting cable at air filter casing sensor. 28. Remove air filter casing with bracket (1).
  • 16. Figure 18 Air filter 1. Carrier 29. Detach cable at fixing and at lever. Figure 19 Cable, remove 30. Remove hose (4) at inlet to hydraulic oil filter. Figure 20 Return filter 1. 2. 3. 4. Mounting screw Hydraulic oil filter inc. filter holder Hose clamp Hose assembly
  • 17. 31. Remove fixing bolts (1) and remove hydraulic oil filter. 32. Remove fixing bolt (1) for main fuel filter. Figure 21 Main fuel filter, remove 1. 2. Main fuel filter Leak-oil filter 33. Remove fixing bolts and remove leakage oil filter (2). 34. Remove hydraulic hose at leakage oil filter. NOTICE When a hose has been disconnected, plug both the hose and the connection immediately. The hoses should be marked for correct connection. 35. Guide leakage oil lines through the opening in the hydraulic oil tank bracket. Figure 22 Opening, hydraulic oil tank bracket 1. 2. Hose clamp, return line Opening, hydraulic oil tank bracket 36. Release hose clamp (2) and remove suction hose (3) from hydraulic pump. NOTICE Collect draining oil.
  • 18. Figure 23 Hydraulic pump, remove 1. 2. 3. Attaching screws Hose clamp Suction line 37. Remove hydraulic pump 38. Release pipe bracket (1) and connecting clamp (2) and remove exhaust tailpipe (3). Figure 24 Exhaust tailpipe, remove 1. 2. 3. Pipe bracket Clamp Exhaust tailpipe 39. Release fixing bolts on bracket (1).
  • 19. Figure 25 Bracket, remove 1. Bracket 40. Remove upper fixing bolt (2) for left transport bracket (1) on engine, release lower fixing bolt (3) and swivel the bracket forwards. Figure 26 Transport bracket, swivel 1. 2. 3. Transport bracket Upper fixing bolt Lower fixing bolt 41. Remove hydraulic oil tank bracket together with hydraulic oil tank. 42. Swivel the transport bracket into the original position and install bolts (2, 3). 43. Remove bolts (1) for engine mount Figure 27 Engine mount 1. Screw 44. Remove hose clamp (1) on engine mount.
  • 20. Suggest: If the above button click is invalid. Please download this document first, and then click the above link to download the complete manual. Thank you so much for reading
  • 21. Figure 28 Hose clamp, remove 1. Clamp, coolant hoses 45. Remove engine mount rear/right Figure 29 Engine mount, remove 46. Remove heating hoses on engine. Figure 30 Remove coolant hoses NOTICE Do the work in an environmentally safe manner. 47. Detach hose lines from fuel tank and withdraw. 48. Remove connecting cable from fill level sender (SE 2303) and fuel pump (MO 2303).