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5. Apply lubricant to the threads of the screw (145).
Hold the fluid piston (106) steady by inserting a
small screwdriver or punch into the 4mm diameter
hole (A). Install the priming piston (115) onto the
end of the priming piston rod (110), using the screw
(145) and lockwasher (135). Torque to 14-20 in-lb
(1.7–2.3 N•m).
6. Apply lubricant to the top threads of the fluid hous-
ing (109). Screw the air motor coupling (105) onto
the fluid housing, and torque to 298-314 in-lb
(35–37 N•m).
7. Thread the fluid piston (106) into the air motor shaft
(213) until the holes line up. Use the screw (145) to
turn the fluid piston, if necessary. Once the holes in
the air motor shaft and fluid piston are aligned,
insert the pin (144).
8. Lower the pump through the mounting bracket (33).
Orient it in the correct direction and secure to the
bracket using the three screws (38) and washers
(141). Torque the screws to 17-33 in-lb (2–4 N•m).
Reinstall the fluid outlet fitting (28).
9. Reinstall the wiper plate assembly on the fluid
intake housing (111). Secure with the two
cap-screws (302). Reconnect all hoses and return
the pump to service.
308302P
Service
17
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