User's Manual

Repair
3A1602G 39
Installation
See FIG. 62, page 38.
1. If replacing motor, install fan assembly and fan
mount threaded bushing on new motor.
2. Place cart (1), with motor plate (8) installed, on bot-
tom of the motor and fan. Feed motor cables
through grommet.
3. Fasten motor to cart with four screws (10).
4. Fasten board to cart with seven screws (13). Con-
nect all cables. See F
IG. 58, page 34.
5. Install cover (61) with screws (10).
NOTE: Apply thermal compound between the square
steel piece on the back of the board and the main alumi-
num plate. Order Part No. 110009 Thermal Compound.
6. Carefully rotate cart to the upright position.
7. Install bracket (28) and screws (29).
8. Install drive housing/pump assemblies, page 35.
Reconnect inlet assemblies to pumps.
9. Connect fluid inlet and outlet lines.
10. Return to service.
Motor Brushes
NOTE: Replace brushes worn to less than 1/2 in. (13
mm). Brushes wear differently on each side of motor;
check both sides. Brush Repair Kit 287735 is available;
kit includes instruction sheet 406582.
Motor commutator should be smooth. If not, resurface
commutator or replace motor.
1. See Before Beginning Repair, page 30. Relieve
pressure, page 20.
2. See instruction sheet 406582, included with Brush
Repair Kit 287735. Remove old brushes and install
new ones supplied in kit.
Fan
1. Disconnect fan cable (37) from fan (202). With
Motor Power on, test cable connector for line volt-
age (120 V or 240 V).
2. If voltage is correct, fan is defective. Remove screws
holding fan to shield (206). Install new fan in reverse
order.
3. If voltage is not correct, check fan cable connection
at J9 on control board; see F
IG. 58, page 34.
FIG. 63: Fan
202
TI7030a
37