B4
MAINTENANCE
9803/1250
B4
Issue 1
BREAKER DISMANTLING - HM 22, 25, 29 (cont’d)
7
Remove the seals from the lower section of the
barrel casting. A slide hammer will be necessary
to remove the seal housing.
8
Remove the housing cap
G
and the spool
H
from
the head
J
.
12
Remove vibration dampening springs.
11
Unscrew the handle pivot pin
Z
nearest the
trigger pin. Withdraw handles assemblies from
the handles control bracket.
Z
Z
Z
Z
G
G
J
J
H
H
10
Remove screws (4 off each cover) from covers
N
(2 off), this will expose the handle mechanism.
N
N
9
Remove the plug
K
, seal washer
L
, spring and
trigger spool
M
from the head
J
. Examine seals
on the head
J
and housing cap
G.
J
J
M
M
L
L
K
K
G
G
