TM 5-3825-230-14&P
5-8.
ENGINE BUMPING CLEARANCE.
This task covers:
Adjustment
INITIAL SETUP
Tools
Equipment Condition
Tool Kit, General Mechanic's: Automotive
TM or Para
Condition Description
Para 5-13
Cylinder heads removed.
Shop Equipment, Machine Shop; Field
Maintenance, Basic, Less Power
Materials/Parts
Head gaskets
Adjustment.
NOTE
Procedure is the same for both
cylinders.
(1)
Move piston (1) to TDC (para 5-7).
(2)
Measure depth of piston (1) in cylinder (2)
with piston at highest point using a depth
gage. Clearance should be 0.0275 to
0.0295 in. (0.70 to 0.75 mm) from top of
piston to top of head gaskets (3).
CAUTION
Make sure cylinder does not "ride
up" during this procedure or damage
to cylinder may result.
NOTE
Gaskets are available in different
thicknesses and must be measured
before installing.
(3)
Adjust clearance by adding or removing
gaskets (3) to obtain proper clearance.
NOTE
Follow-on
maintenance:
Install
cylinder heads (para 5-13)
END OF TASK
5-13