Adjust valve clearance only when
engine is cold (below 140 degrees F
(66 degrees C)).
CYLINDER NUMBER 1.
Press on engine timing pin (7) (located below
fuel injection pump) while manually rotating
crankshaft until timing pin engages hole in
camshaft gear (8). Cylinder I is now at Top
Dead Center (TDC) on compression stroke.
Disengage timing pin (7).
2. USING FEELER GAGE,
FIGURE FOR PROPER CLEARANCE.
Intake valve (I) clearance shall be 0.010 in
Exhaust valve (E) clearance shall be 0.020 in
Clearance is correct when some
friction is felt as feeler gage is moved
between valve stem and rocker lever.