PISTONS AND CONNECTING RODS - CONTINUED
INSPECTION/REPLACEMENT/REPAIR - CONTINUED
New piston c.
Take ring (3) out of bore (2).
d. If ring gap is too small, try another
Fit and check again each ring (3) in
bore In which it is used, and mark ring
Check ring-to-groove clearance by in-
serting edge of ring (3) into proper
ring groove of piston (1).
Using thickness gage, check clear-
ance between top or bottom of ring
(3) and side of groove.
See Repair and Replacement
Standards (page 1-6) for ring-to-
Take ring (3) out of ring groove.
Check top keystone-type compression
ring groove for wear by Inserting per-
fect circle piston ring gage, number
one (1/8 x 15 degree), into groove.
If one or both shoulders of the gage
touch the side of the piston, piston
must be replaced.