CAT Pumps 67102, Service Manual

Page: 4 / 16

4
Servicing the Seals and Plungers
DISASSEMBLY FOR SEALS
NOTE: One (1) seal kit is required to repair pump (see data sheet PN 99DAT023).
NOTE: In order to replace seals, remove discharge and inlet manifolds.

CAUTION
Exercise extreme caution when
removing discharge manifold. Manifold
is very heavy and will require two (2)
individuals. The weight of manifold or
any twisting action can damage the
ceramic plungers.
2.2 Use a rubber hammer to tap back side
of discharge manifold to separate from
inlet manifold.
2.0 Use a M14 socket wrench to remove the
top outside two (2) M16 x 120 HSH screws
on the discharge manifold.
2.4 Insert two (2) flat tip screws into the
groove on opposite sides of v-packing
spacer and pry upward.
2.3  Two (2) individuals are required to
safely remove the discharge manifold.
Place discharge manifold on work surface
with spacers facing upward.
2.1 Hand thread in two (2) M16 x 277 studs
(PN 88902). These studs will assist in
guiding the discharge manifold over the
plungers and evenly distribute the load.
2.5 Use a pick to remove o-rings from both
ends of the v-packing spacer.
2.7 Carefully insert two (2) flat tip screws into
the groove on opposite sides of inlet
spacer and pry upward. Do not scratch
o-ring sealing area.
2.6 Use a pick to remove o-ring from top of
inlet spacer.