TM 5-2410-240-23-2
0102
ADJUSTMENT
000102
N OT E
Firing order is 1-5-3-6-2-4. No. 1 cylinder is at front of engine.
Refer to Table 1 valve lash sequence for proper adjustment order.
1. Rotate crankshaft until inlet valves are fully open for specified cylinder.
2. Set valve lash for corresponding inlet valves and exhaust valves (Figure 5).
Figure 5. Inlet/Exhaust Valve Arrangement.
0102
Rotate Crankshaft Until Inlet
Inlet Valves
Exhaust Valves
Valves Are Fully Open
(Cylinder Numbers)
(Cylinder Numbers)
11
9
10
(5)
(5)
3
5
6
(3)
(3)
7
11
12
(6)
(6)
1
3
4
(2)
(2)
9
7
8
(4)
(4)
5
1
2
(1)
(1)
3. Loosen valve adjustment screw locknut (Figure 6, Item 3).
4. Insert feeler gauge (Figure 6, Item 5) between rocker arm (Figure 6, Item 1) and valve bridge (Figure 6,
Item 4). Adjust screw (Figure 6, Item 2) until correct valve lash is achieved. Set valve lash for inlet and exhaust
valves to 0.0138 0.0020 in. (0.35 0.05 mm).