TM 5-3805-280-24-2
Cylinder Head and Valves
05
4-CYLINDER ENGINE:
12
NOTE: Firing order is 1-3-4-2.
1. Using JDE81-4 Timing Pin, lock No. 1 piston at TDC
2. Adjust valve clearance on No. 1 and 3 exhaust valves
and No. 1 and 2 intake valves.
3. Turn crankshaft 360. Lock No. 4 piston is at TDC
compression stroke (C).
4. Adjust valve clearance on No. 2 and 4 exhaust valve
A--Front of Engine
B--No. 1 Piston TDC Compression
and No. 3 and 4 intake valves.
C--No. 4 Piston TDC Compression
E--Exhaust Valve
I--Intake Valve
RG,05,DT7375 1911NOV974/5
6-CYLINDER ENGINE:
NOTE: Firing order is 1-5-3-6-2-4.
2. Adjust valve clearance on No. 1, 3 and 5 exhaust
valves and No. 1, 2, and 4 intake valves.
3. Turn crankshaft 360. Lock No. 6 piston is at TDC
compression stroke (C).
4. Adjust valve clearance on No. 2, 4 and 6 exhaust valve
A--Front of Engine
and No. 3, 5, and 6 intake valves.
B--No. 1 Piston TDC Compression
C--No. 6 Piston TDC Compression
E--Exhaust Valve
I--Intake Valve
RG,05,DT7375 1911NOV975/5
13-70