Motor Replacement
26
312361D
Motor Replacement
See Wiring Diagram, page 27.
Removal
1.
Relieve pressure, page 7. Disconnect power cord
from outlet.
2.
Hi-Boy Model Only - Disconnect high-pressure
hose from pump outlet (see page 13).
3.
Remove pump (33). Displacement Pump
Replacement, page 13.
4.
Remove drive housing, Drive Housing
Replacement, page 15.
5.
Remove Pressure (Fluid) Manifold, Drain Valve
Replacement, page 23.
6.
Disconnect all leads from board (18) and remove
control board. Control Board Replacement, page
19.
7.
Remove ground wire (G) from motor endbell.
8.
Remove four screws (4) and motor (57) from frame
(1).
Installation
1.
Install new motor (57) on frame (1) with four screws
(4).
2.
Install fluid manifold (43) with two screws (4). Drain
Valve Replacement, page 23.
3.
Install control board (18) with three screws (11).
Connect all leads to board. See Control Board
Replacement, page 19 and Wiring Diagram, page
27.
4.
Connect ground wire (G) to motor with green ground
screw (20).
5.
Install Drive Housing. Drive Housing
Replacement, page 15.
6.
Install pump (33). Displacement Pump
Replacement, page 13.
7.
Install shroud (12) with two screws (4) (see
illustration, page 17).
8.
Hi-Boy Model Only - Reconnect high-pressure
hose at pump outlet (see page 14).
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.
20
18
11
4
57
27
26
4
G
Liberally apply grease
ti10335a
1
43
(19 Ref)