Service Manual
Workman GTX Electric Page 3A -- 47 Electrical System
5. Support controller to prevent it from falling.
6. Remove four (4) washer head screws that secure
controller to controller bracket. Carefully remove con-
troller from vehicle.
7. If necessary, remove washer head screw (item 3)
that secures isolator retainer, isolator and controller ca-
bles to controller bracket. Separate isolator and con-
troller cables from bracket.
Installation (Fig. 52)
1. If isolator and controller cables were removed from
controller bracket, insert cables into isolator. Secure iso-
lator and cables to bracket with isolator b racket and
washer head screw. Torque screw from 90 to 110 in--lb
(10.2to12.4N--m).
2. Position controller to controller bracket and secure
with four (4) washer head screws.
3. Make sure controller terminals and cables are clean
(nocorrosion)andingoodcondition.
4. Connect electrical conductors to controller:
A. Carefully plug wire harness connector into con-
troller. Make sure that connector is fully plugged into
controller socket.
B. Secure controller cables to controller terminals
B+,B--,M1,M2andM3withcapscrew,lockwasher
and flat washer (Fig. 53). Torque cap screws from 89
to 106 in--lb (10 to 12 N--m).
5. Connect the conductors between the battery pack
and vehicle components (see Opening Battery Circuit in
the General Information section of this chapter). Make
sure to torque hex nuts on battery terminals from 95 to
105 in--lb (10.8 to 11.8 N--m).
6. After all cable connections are made, apply Toro bat-
tery terminal protector (see Special Tools) to all battery
posts and controller cable connectors to prevent corro-
sion. Make sure that cable terminal boots are positioned
over all connections.
7. Lower and secure cargo bed.
8. Before returning vehicle to operation, fully charge
the batteries by connecting the on --board battery char-
ger to an appropriate electrical outlet.
Figure 53
61
5
2
4
3
1. Controller
2. B+ terminal (+ cable from main contactor)
3. B-- terminal (-- cable from left, rear battery)
4. M1 terminal (cable to motor terminal W)
5. M2 terminal (cable to motor terminal V)
6. M3 terminal (cable to motor terminal U)
7. Fuse (425 A)
7
89 to 106 in--lb
(10to12N--m)
Torque All Cable
Cap Screws From
1. Controller
2. Main contactor
3. Traction motor
4. Terminal W
5. Terminal V
6. Terminal U
Figure 54
1
5
2
4
3
6
Electrical
System