ENGINE BUMPING CLEARANCE.
This task covers:
Tool Kit, General Mechanic's: Automotive
TM or Para
Cylinder heads removed.
Shop Equipment, Machine Shop; Field
Maintenance, Basic, Less Power
Procedure is the same for both
Move piston (1) to TDC (para 5-7).
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).
Make sure cylinder does not "ride
up" during this procedure or damage
to cylinder may result.
Gaskets are available in different
thicknesses and must be measured
Adjust clearance by adding or removing
gaskets (3) to obtain proper clearance.
cylinder heads (para 5-13)
END OF TASK