CAT Pumps 67070, Service Manual, Page: 14 / 24

SERVICE MANUAL | 67070 Plunger Pump 14 (763) 780-5440 | techsupport@catpumps.com | www.catpumps.com
1.50 Use a 14 mm hex bit socket with ratchet to
torque all eight (8) HSH screws to 1150 in-lbs,
95.8 ft-lbs or 130 Nm in sequence show.
1.49 Apply Loctite®242® to four (4) M16 x 50 and
two (2) M16 x 120 HSH screws; insert screws
into inlet manifold and hand tighten.
Remove two (2) studs.
1.52 With a helper, line up the holes on discharge
manifold with studs and slide over ceramic
plungers and press discharge manifold
against inlet manifold.
1.51 Hand thread two (2) M16 x 277 studs
(PN 88902) into upper outside holes of inlet
manifold. These studs will assist in guiding
the discharge manifold over the plungers
and evenly distribute the load.
NOTE:
Ensure two (2) guide pins are in place.
1.53 Insert six (6) M16 x 110 HSH screws into
discharge manifold and hand tighten.
Remove Two (2) M16 x 277 studs.
1.54 Install remaining two (2) M16 x 110 HSH
screws. Use an 14 mm hex bit socket with
ratchet to torque all eight (8) HSH screws to
1416 in-lbs, 118 ft-lbs or 160 Nm in sequence
shown.
1.48 Hand thread in two (2) M16 x 277 studs
(PN 88902) into crankcase. Place inlet
manifold onto studs and slide up against
crankcase.
Servicing the Seals
INLET AND DISCHARGE MANIFOLDS REASSEMBLY
TORQUE SEQUENCE
Exercise extreme caution when re-installing
the inlet and discharge manifolds. Manifolds
are very heavy and will require two (2)
individuals.
The weight of the manifold or any twisting
action can damage the ceramic plungers.
Loctite and 242 are registered trademarks of the Henkel Corporation.
GUIDE PIN