AR05.30-W-3510A | Replace valve stem seals. | 5.6.09 |
ENGINE 902.9 in MODEL 957 with CODE (MS8) Natural gas engine
ENGINE 904.904 in MODEL 670
ENGINE 904.908 /914 /923 /936 in MODELS 668, 670
ENGINE 904.9 in MODEL 374, 375, 673, 674, 676, 958, 970, 972, 975, 976
ENGINE 906.9 in MODEL 374, 958, 970, 972, 974, 975, 976
ENGINE 906.9 in MODEL 374, 375, 950, 952, 953, 954, 957, 958
W05.30-0056-02
1 Sleeve
2 Valve stem seal
3 Assembly sleeve
4 Base washer
5 Inlet valves
6 Outlet valve
7 Valve guide
Modification notes
| Removing | ||
1 | Remove valve springs | Do not remove intake valves (5) and exhaust valves (6) | |
| Exhaust valve spring, exhaust valve and exhaust valve seat ring modified | ||
2 | Detach valve stem seals using pliers (2) | Do not damage valve guides (7) and valve stems. | |
| |||
3 | Take off base washers (4) | ||
| Install | ||
4 | Oil valve stems of intake valves (5) and exhaust valves (6) with engine oil | ||
5 | Fit on base washer (4) | ||
6 | Push assembly sleeve (3) over valve stem up to end stop on valve guide (7) | ||
7 | Install new valve stem seal (2) together with sleeve (1) | Press on valve stem seal (2) onto the valve guide (7) up to the stop. | |
Engine 904.9 up to engine end no. 038639 | |||
Engine 904.9 as of engine end no. 038640, engine 902.9, 906.9 | |||
8 | Take off assembly sleeve (3) | ||
9 | Install valve springs |
606 589 00 37 00
Sleeve
Pliers
Drift punch
904 589 01 15 00
904 589 08 63 00