Merkury Innovations 312795E Reconnect the Pump, Reconnect the Air Motor

Repair

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) to 75-80 ft-lb (138-146 N•m).

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.

20 312795E