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25. Refer to Fig. 6. The gland/packing stack (158**) for
the intake valve is preassembled.
semble the stack. Install the gland/packing stack in
the intake cylinder's packing housing (REF 117). Be
sure the lips of the v–packings are facing up. Install
the packing nut (1 14**) and torque to 34–47 N.m
(25–35 ft–lb). Slide the assembly, packing nut first,
onto the piston rod (122).
26. Place an o–ring (124**) around the intake cylinder
(117). Screw the cylinder into the pump
(109). Torque to 129–149 N.m (94–110 ft–lb).
27. Thread the nut (120) onto the bottom of the piston
rod. Install the valve plate (1 18), valve guide (121),
priming piston (119), and the other nut (120).
28. Holding both nuts (120) with a wrench, torque the
bottom nut to 54–81 N.m (40–60 ft–lb).
29. Tighten the packing nut (140). T orque the wet–cup
nut (136) to 54–81 N.m (40–60 ft–lb).
30. Reconnect the displacement pump (14) to the air
motor (15). Refill the wet–cup (101) with TSL. Re-
connect the ground wire to the air motor if it was dis-
connected during service.
Do not disas-
housing
Fig 6
INTAKE PACKINGS
All Models
NOTE: LIPS OF V–PACKINGS
MUST FACE UP
122
114**
158**
INTAKE
VALVE
GLAND/
PACKING
STACK
REF 117
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