TM 5-4310-452-14
4-13. VALVE CLEARANCE ADJUSTMENT.
This Task Covers: Adjustment
Initial Setup:
Equipment Conditions:
Tools/Test Equipment:
• Engine off and cool.
•·General mechanic's tool kit
• Left and right door assemblies open.
• Feeler gage
• Battery cables disconnected (see paragraph
4-57).
• Valve covers removed (see paragraph 4-12).
ADJUSTMENT
NOTE
To
obtain
accurate
clearance
reading, ensure that engine Is cool
during valve clearance adjustment.
1.
Turn crankshaft pulley (1) clockwise with 36 mm
socket and breaker bar until both valves on No. 1
cylinder overlap (exhaust valve has not yet closed,
while intake valve is opening).
2.
Check valve clearance between rocker arm (5) and
top of valve stem (6) of valves (2) in position 1
using Table 4-4 and a 0.15 mm (0.006 in.) feeler
gage. If valve clearance is too wide or too narrow,
perform step 3. If valve clearance is OK, go to step
5.
Table. 4-4 position 1.
Cylinder No.
Valve
2
Intake
3
Exhaust
4
Intake Exhaust
4-22
