HiP T Series, Instructions - Parts Manual, Page: 19 / 36

Repair - Pneumatic Motor
3A6823A 19
Reassemble the Pneumatic Valve
1. See F
IG
. 6. Lubricate detent cam (304

) and install
into housing (301).
2. See F
IG
. 7. Lubricate the u-cups (308†

) and install
on the piston (302

) with lips facing toward the cen-
ter of the piston.
3. See F
IG
. 6. Lubricate both ends of the piston (302

)
and install it in the housing (301).
4. Lubricate and install the detent assembly (303

)
into the piston (302

).
5. Lubricate new o-rings (306†

) and install on the
end caps (307

). Install the end caps into the hous-
ing (301).
6. Install a snap ring (310

) on each end to hold end
caps in place.
7. Install the spring (311

). Lubricate and install the
pneumatic valve cup (312

), see F
IG
. 8. Align the
small round magnet with the pneumatic inlet.
8. Install the valve plate (305

). Tighten the screws
(309†

) to hold it in place.
9. Perform steps 5 and 6 under Replace Complete
Pneumatic Valve, page 17.
Replace Pilot Valves
1. Stop the pump and perform the Pressure Relief
Procedure , page 10.
2. Disconnect the pneumatic line to the motor.
3. Use a 10 mm socket wrench to remove the old pilot
valves (219) from the top (213) and bottom (201)
covers. See the figure on page 26.
4. Lubricate and install the new pilot valves (219).
Torque to 95-105 in-lb (11-12 N•m).
5. Reconnect the pneumatic line to the motor.
F
IG
. 7
Lips face down
Lips face up
†

308
†

308

302
ti12754a
F
IG
. 8
312

ti16283a
Magnet