SERVICE MANUAL | 67070 Plunger Pump
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(763) 780-5440 | [email protected] | www.catpumps.com
Servicing the Seals
MANIFOLD AND SEAL REMOVAL
1.08 Use a 14 mm hex bit socket with ratchet to
remove the remaining four (4) M16 x 50 and
two (2) M16 x 120 HSH screws on the inlet
manifold.
1.09 Use an adjustable wrench to turn the pump’s
crankshaft to assist in separating the inlet
manifold from the crankcase. If this does not
work, go to step 1.10.
1.12 Remove inlet manifold by sliding along the
guide studs. Place on a work surface with
crankcase side down.
Exercise extreme caution when removing inlet
manifold. Manifold is very heavy.
1.15 Use a pick to remove O-rings and backup
rings from both ends of the V-packing spacer.
1.10 Use a rubber mallet to tap the back lower side
of inlet manifold to further assist in separation
from the crankcase.
1.13 Insert two (2) large flat tip screwdrivers into
the groove on opposite sides of V-packing
spacer and pry upwards.
1.16 Insert two (2) large flat tip screwdrivers into
the groove on opposite sides of inlet spacer
and pry upwards.
1.11 Insert two (2) flat tip screwdrivers on opposite
sides to pry the inlet manifold away from the
crankcase.
1.14 Inspect O-rings and backup rings for damage.