Repair
312795K
19
Reconnect the Air Motor
1.
Screw the tie rods (3) into the bottom cover of the
air motor. Torque to 50-55 ft-lb (68-75 N•m).
2.
As needed for the larger air motors, use two people
to reattach. Align the tie rods (3) with the holes in
the pump adapter. Carefully lower the air motor into
place.
3.
Attach the tie rod nuts (4) and torque to 50-60 ft-lb
(68-81 N•m).
4.
Tighten the mounting screws.
5.
Hold the motor shaft up with one hand. With your
other hand, put the coupling nut (7) on the displace-
ment rod.
6.
Put the coupling collars (5) into the coupling nut (7)
so large flanges point upward.
7.
Gently let the motor shaft drop onto the displace-
ment rod. Torque the coupling nut (7) to 75-80 ft-lb
(138-146 N•m).
8.
Connect the air and fluid hoses, the ground wire,
and the shield.
Reconnect the Displacement Pump
1.
Align the straight edge of the pump adapter with the
back of the air motor. Slide the pump adapter onto
the tie rods (3).
2.
Attach the tie rod nuts (4) and torque to 50-60 ft-lb
(68-81 N•m).
3.
Tighten the mounting screws.
4.
Hold the motor shaft up with one hand. With your
other hand, put the coupling nut (7) on the displace-
ment rod.
5.
Put the coupling collars (5) into the coupling nut (7)
so large flanges point upward.
6.
Gently let the motor shaft drop onto the displace-
ment rod. Torque the coupling nut (7), see Table 1.
7.
Connect the air and fluid hoses, the ground wire,
and the shield.
Reconnect the Pump
NOTE: If the entire pump has been removed and is now
reassembled, follow these directions:
1.
Use two people to lift the pump into place. Slide it in
and down onto the mounting plate.
2.
Tighten the mounting screws.
3.
Connect the air and fluid hoses, the ground wire,
and the shield.
Table 1
Motor
Torque
M04xxx
50-55 ft-lb (68-75 N•m)
M07xxx - M34xxx
75-80 ft-lb (102-108 N•m)
