Motor
WARNING
INJECTION HAZARD
To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief
Procedure on page 9.
NOTE: See Fig. 21 except where noted.
1. | Relieve pressure. |
2. | Try to stop the pump with the piston rod (107) in its |
| lowest position. To lower the piston rod manually, |
| rotate the motor fan blades. Use a screwdriver to |
| push the retaining spring (18) up and push out the |
| pin (17). See Fig. 19. |
3. | Remove the screws (56) and lower the junction |
| box (59). Disconnect the motor wires and the |
| pressure control wire (A) from the motor start |
| board. Refer to Fig. 22 on page 23. |
4. | Remove the front cover (13). |
5. | Turn the displacement pump rod (107) so the pin |
| hole aligns with the bottom drive housing screw |
| (5). See Fig. 20. Remove the three drive housing |
| screws (5). Also see Fig. 21. |
6. | Remove the two motor screws (5). |
9.Align the new motor with the base and reinstall the screws (46).
10.Assemble the drive housing to the motor. Follow steps 8 to 11 on page 24.
11.Connect the wires in the junction box. Refer to Fig. 22 on page 23. Install the junction box.
12.Connect the piston rod (107) to the drive housing; see page 21, Installing the Pump, Step 2 and the WARNING following it.
17
15
18
Fig. 19 | 01068 |
107
5
7. Tap the lower rear of the drive housing (11) with a |
plastic mallet to loosen the motor. Pull the drive |
housing straight off the motor while guiding the |
harness (A) from the motor. Do not allow the gear |
Fig. 20
01074
(16) to fall. Read the CAUTION on page 24. |
8. Remove the two screws (46) and lift the motor off |
the base (66). |
11
1 Torque to 80 in±lb (9 N.m)
2Quantity of three
3Quantity of one
1 5
13
331
15 4
C
B
A
12 16
59 46
56
342
Fig. 21
05119