C9
MAINTENANCE
9803/1250
C9
Issue 1
BREAKER ASSEMBLY - STANDARD AND VIBRO-DAMPED (cont’d)
12
Assemble the seals into the lower section of the
barrel casting. Ensure that the open faces of the
seals are fitted as shown on inset.
14
Bolt the barrel to the nose with capscrews. Torque
tighten the capscrews progressively (see
Introduction section
) using a Gedore narrow
head torque wrench (part no. 7200-01).
Do not
use a standard torque wrench fitted with a
universal joint as this distorts the torque setting.
16
Assemble the head assembly onto the barrel/nose
assembly and fit the capscrews. Torque tighten
the capscrews progressively (see
Introduction
section
) using a Gedore narrow head torque
wrench (part no. 7200-01- see
Step 14 above
). Fit
the hoses, ensuring that the hose with the female
coupling is fitted to the top port of the head
assembly.
13
Treat the thread of check valve
E
with Loctite 542.
Fit the check valve and its ball
F
into the barrel by
offering the check valve to the barrel from
underneath to avoid losing the ball.
15
Insert the piston
C
and piston feeder
D
into the
barrel.
17
Assemble the plunger spring, plunger
S
, and latch
R
into position in the nose. Using a press, insert
roll pins
Q
to secure the mechanism.