7
8. From the back of the
manifold (#43), remove
the packing assembly
(#’s 42, 41, 40, and 39)
by tapping assembly
out from the back to the
front.
9. Turn the manifold (#43) over and remove the rear v-sleeve
snap ring (#36). Remove rear pressure ring (#39) , rear
v-sleeve (#40) and rear support ring (#41). These parts
should slide out with little resistance. If necessary, a
screwdriver may be used to pry outward. Replace all rub-
ber parts and inspect the metal parts for wear.
36
39
40
41
10.
Note: The following pro-
cedure is only necessary
if a stud bolt (#49) has
been damaged and must
be replaced.
To remove
the manifold studs (#49),
place a stud nut (#50),
lock washer (#50A), and
second nut on each stud.
Tighten the nuts against
each other. Hold the front
nut with one wrench, and
remove the stud bolt by
turning the rear nut coun-
terclockwise with another
wrench. To reassemble,
turn the front stud bolt nut
clockwise.
11. To remove the ceramic plungers, turn the plunger bolt
(#29C) counterclockwise with a 13mm socket. Use a
steady torque to prevent ceramic plunger sleeve dam-
age. Loosen and remove the plunger bolt assembly
(#29C and #29D) and replace the seal washer (#29D).
11a.
Inspect the crankcase
oil seals (#31) for evidence
of leaking. If there is oil on
the crankcase (#1) at the
sight of the oil seals, they
must be replaced. The oil
seals are replaced after
removing the crosshead/
plunger assembly (#25) as
described below.
31
Contact Giant Industries for service school
information. Phone: (419) 531-4600
