10.3.10 Remove cylinder end ring bolts and ring
segments (Fig. 26).
10.3.11 Lift cylinder by means of tripping device to
the position shown (Fig. 27) and install two
end ring bolts directly opposite each other.
At this point, all piston rings and catch ring
can be inspected.
10.3.12 Install two equally long chains or chokers
to the end ring bolts and the lifting eyes on
lower cylinder and raise cylinder so the
outer end ring is high enough to slip the
dismounting plates under the end ring
Lower cylinder until chains or chokers
have a slack of approximately 2" (50mm).
Tap outer end ring with hand hammer until
the two halves of the inner cylinder end
ring can be removed
Lift outer end ring via cylinder until the dis-
mounting plates can be removed. Lower
outer end ring until it firmly rests on the
flange of the impact block. Remove chains
or chokers and the two end ring bolts.
10.3.16 Install new inner cylinder end ring. Do not
use a hammer directly on the end ring. Tap
with wood blocking only (Fig. 29).
10.3.17 Raise piston until a gap of approximately
2" (50mm) is seen between piston and im-
pact block. Remove old rings and install
new rings using piston ring pliers (Fig. 30)