AR25.40-G-0900A | Check pressure oil pump of torque converter clutch | 12.3.96 |
ENGINE 602.941 in MODEL 408 with CODE (G30) Torque converter clutch (WSK)
ENGINE 354.926 /929, 364.982 /985 in MODEL 418 with CODE (G30) Torque converter clutch (WSK)
ENGINE 356.914 /950 /954, 357.912 /913 in MODEL 427 with CODE (G30) Torque converter clutch (WSK)
ENGINE 356.955 /956 /980 /997 /998, 357.912 /913 in MODEL 437 with CODE (G30) Torque converter clutch (WSK)
G25.40-3015-01
1 Bolt
2 Sealing ring
3 Low-pressure gauge
4 Adapter
| Testing | ||
Danger! | Risk of accident as vehicle may start off by itself with the engine running. Risk of injury as working around the engine during start-up or while running may result in contusions and burns | Secure vehicle to prevent it from moving. | |
Danger! | Risk of injury from hand being jammed and bruised when tilting cab | Ensure that no one is within the tilting range of the cab during tilting. Always tilt cab to end position and secure with safety prop. | |
| Notes on tilting cab | ||
1 | Tilt cab | Model 408, 418 | |
Tilt cab | Models 427, 437 | ||
2 | Check and correct oil level in torque converter clutch | ||
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3 | Check torque converter clutch for leaks | ||
4 | Unscrew screw plug (1) with sealing ring (2) | Collect oil which flows out in a suitable vessel. | |
5 | Connect low pressure pressure gauge (3) with test hose, connection coupling and suitable adapter (4) | Check for leaks. | |
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| Adapter for low pressure pressure gauge for checking the pressure oil pump and converter backpressure of the torque converter clutch | ||
6 | Connect tester for recording rpm | Do not route connecting cables in rotating and hot parts. | |
Refer to equipment manufacturer's operating instructions. | |||
7 | Lower cab | Model 408, 418 | |
Lower cab | Models 427, 437 | ||
8 | Check oil pressure for converter filling pump | Observe oil pressure at approx. 1000 rpm. If the oil pressure is too high: | |
Replace oil pressure valve and check ball seat | |||
9 | Tilt cab | Model 408, 418 | |
Tilt cab | Models 427, 437 | ||
10 | Disconnect low pressure gauge (3) with test hose, connection coupling and suitable adapter (4) | | |
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| Adapter for low pressure pressure gauge for checking the pressure oil pump and converter backpressure of the torque converter clutch | ||
11 | Detach tester for recording rpm | | |
12 | Tighten screw plug (1) | Replace sealing ring (2). | |
13 | Check and correct oil level in torque converter clutch | ||
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14 | Check torque converter clutch for leaks | Visual inspection. | |
15 | Lower cab | Model 408, 418 | |
Lower cab | Models 427, 437 |
Test values of pressure relief valve of torque converter clutch
Number | Designation | Engine 602.941 with WSK 270 in model 408 | Engines 364.982/985, 354.926/929 with WSK 310/3A in model 418 | ||
BE25.40-N-1001-04A | Pressure relief valve | bar | 5 | 5 | |
Test values of pressure relief valve of torque converter clutch
Number | Designation | Engine 356.955, 357.912 with TCC [torque converter clutch] 310/3 in model 427/437 | ||
BE25.40-N-1001-04A | Pressure relief valve | bar | 5 | |
Commercially available tools
Referenced documents
- ah6080n000301b Notes on tilting the cab
- ap2540g0200a Check oil level in torque converter clutch and correct if necessary
- ar2540g1300a Remove/install pressure relief valve of torque converter clutch
- ar6080g0010a Tilt cab to repair position, tilt back
- ar6080g0010b Tilt cab to repair position, tilt back
- as0000z000501a Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.
- as6080z000101a Risk of injury caused by body parts being pinched or crushed as cab is tilted
- wf5850n090001a Adapter for low pressure gauge for checking pressure oil pump and converter counter-pressure of torque converter clutch