TM 10-4610-310-14
0119 00
CLEANING AND INSPECTION - CONTINUED
5. Measure the valves sink. The service limit is 0.05 inch (1.2 mm). Replace worn out valves if sink is over
the limit. See Figure 3.
Figure 3. Valve Sink Measurement.
ASSEMBLY
CAUTION
When inserting the intake and exhaust valves, apply lubricating oil on valve stems. Failure to do
so may damage the valves.
1. Lubricate the stems of exhaust and intake valves with a light coat of lubricating oil. Slide the valves into
the cylinder head.
CAUTION
Stem seals cannot be reused. Replace stems seals or damage to diesel engine may result.
2. Install valve stem seal (5) and washer (6) onto intake valve. See Figure 1.
3. Install and compress valve spring (4). Carefully install spring retainer (3). Release the hold on the spring
slowly.
4. Repeat step 2-3 for the exhaust valve.
5. Choose the cylinder head gasket (9). See WP 0120 00.
6. Install cylinder head gasket (9)
7. Install new o-ring (11).
8. Install the cylinder head. See WP 0120 00.
9. Install the rocker arm assembly. See WP 0120 00.
VALVE ADJUSTMENT
Perform the following for the adjustment of valve clearance:
1. Adjust the valve clearance with the engine in cold condition.
2. The standard clearance for the intake and exhaust valves is 0.006 0.002 inch (0.15 0.05 mm).
