TM 9-2320-365-34-2
NOTE
•
Intake and exhaust valves for No. 1 cylinder are fully closed if No. 1 piston is on COMPRESSION
STROKE and rocker arms can be moved by hand. If rocker arms can not be moved by hand and
valves are slightly open, No. 1 piston is on EXHAUST STROKE.
•
To find correct cylinder(s) to be checked/adjusted for stroke position of crankshaft, refer to Table
3-1 Crankshaft Positions for Valve Clearance Setting.
Table 3-1. Crankshaft Positions for
Valve Clearance Setting
SAE Standard (Counterclockwise) Rotation
Engines as Viewed from Flywheel End
Check/Adjust with No.
1 Piston On
Top Center Compression
Stroke
Injectors
3-5-6
Intake Valves
1-2-4
Exhaust Valves
1-3-5
Check/Adjust with No.
1 Piston On
Top Center Exhaust
Stroke
Injectors
1-2-4
Intake Valves
3-5-6
Exhaust Valves
2-4-6
Firing Order
1-5-3-6-2-4
3-101
