TM 5-3805-280-24-2
Cylinder Head and Valves
05
4. With engine lock-pinned at "TDC" of Number 1 piston's
11
compression stroke, check valve clearance to following
specifications. (Use sequence for 4 or 6-cylinder
engines as outlined on following pages.)
Intake Valve Clearance Checking (Rocker Arm-to-Valve Tip) (Engine
Cold)--Specification
Clearance ............................................ 0.31--0.38 mm (0.012--0.015 in.)
Exhaust Valve Clearance Checking (Rocker Arm-to-Valve Tip)
(Engine Cold)--Specification
Clearance ............................................ 0.41--0.48 mm (0.016--0.019 in.)
RG,05,DT7375 1911NOV972/5
5. If valves need adjusting, use following valve clearance
adjustment procedure and specifications. Loosen the
locknut (A) on rocker arm adjusting screw. Turn
adjusting screw until feeler gauge slips with a slight
drag. Hold the adjusting screw from turning with
screwdriver and tighten locknut to specifications.
Recheck clearance again after tightening locknut.
Readjust clearance as necessary.
Intake Valve Clearance Adjustment (Rocker Arm-to-Valve Tip)
(Engine Cold)--Specification
Clearance ................................................................... 0.36 mm (0.014 in.)
A--Adjusting Screw Jam Nut
Exhaust Valve Clearance Adjustment (Rocker Arm-to-Valve Tip)
(Engine Cold)--Specification
Clearance ................................................................... 0.46 mm (0.018 in.)
Rocker Arm Adjusting Screw Jam Nut--Specification
Torque ............................................................................. 27 Nm (20 lb-ft)
6. Replace rocker arm cover and crankcase ventilator
tube.
Continued on next page
RG,05,DT7375 1911NOV973/5
13-69