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Motor Replacement
34 311911C
Motor Replacement
See Wiring Diagram, page 36.
FinishPro 390
Removal
1. Relieve pressure, page 7. Disconnect power cord
from outlet.
2. Remove pump (9). Displacement Pump Replace-
ment, page 13.
3. Remove drive housing, Drive Housing Replace-
ment, page 15.
4. Remove two screws (6) and manifold (15).
5. Disconnect all leads from board (33) and remove
control board. Control Board Replacement, Fin-
ishPro 390, Removal, page 19.
6. Remove ground wire (G) from motor endbell.
7. Remove four screws (6) and motor (1) from frame
(45).
Installation
1. Install new motor (1) on frame (45) with four screws
(6).
2. Install manifold (15) with two screws (6).
3. Install control board (33) with three screws (30).
Connect all leads to board. See Control Board
Replacement, FinishPro 390, Installation,
page 19 and Wiring Diagram, page 36.
4. Connect ground wire (G) to motor with green ground
screw (31).
5. Install Drive Housing. Drive Housing Replace-
ment, page 15.
6. Install pump (9). Displacement Pump Replace-
ment, page 13.
7. Install shroud (29) with two screws (30) (see illustra-
tion, page 16).
CAUTION
Do not drop gear cluster (3) and (2) when removing
drive housing (5). Gear cluster may stay engaged in
motor frontend bell or drive housing.
31
33
30
6
1
3
2
6
45
34
1
1
Liberally apply grease
1
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