15
Speed Controller
ELECTRICAL COMPONENTS
SPEED CONTROLLER
See General Warnings on page 1-1.
TESTING THE SOLID STATE SPEED CONTROLLER
See Test Procedure 5 – A1 and A2 Motor Voltage on page 12-17.
SPEED CONTROLLER REMOVAL
1.
Disconnect the battery cables and discharge the controller as instructed.
See WARNINGS “To avoid
unintentionally starting...” and “After disconnecting the batteries, wait 90 seconds...” in General
Warnings on page 1-1.
2.
Remove the batteries from the vehicle to provide enough room to access the controller (8)
(Figure 15-8, Page
15-11)
.
See Battery Replacement on page 16-15.
3.
Remove the bolt (11) that secures the electronics module to the battery bucket.
4.
Pull electronics module forward and disconnect the heavy gauge wires from the controller by removing the
three screws (9).
5.
Disconnect the 16-pin connector, 4-pin connector, and spade connectors from the controller.
6.
Remove the three self-tapping screws (10) that hold the controller to the component mounting plate (14) and
remove the controller from the vehicle.
SPEED CONTROLLER INSTALLATION
1.
Locate the controller (8) on the component mounting plate (14) and secure with three self-tapping screws (10).
Tighten screws to 5.5 ft-lb (7.5 N·m)
(Figure 15-8, Page 15-11)
.
2.
Connect the 16-pin connector, 4-pin connector, and spade connectors to the controller.
3.
Connect the the heavy gauge wires to the controller per the electrical schematics.
See Wiring Diagrams on
page 12-2.
Tighten screws (9) on the controller to 9 ft-lb (12.2 N·m).
4.
Return electronics module to its original location and secure with bolt (11). Tighten bolt to 40 in-lb (4.5 N·m).
5.
Install the batteries and battery cables in their original locations.
See Battery Replacement on page 16-15.
6.
Place the Tow/Run switch in the TOW position and connect the battery cables, positive (+) cable first. Tighten
battery terminals to 110 in-lb (12.4 N·m) and coat terminals with Battery Terminal Protector Spray (CCI P/N
1014305) to minimize corrosion.
7.
Place the Tow/Run switch in the RUN position.
8.
Inspect the vehicle for proper operation.
WARNING
• Make sure that the vehicle operates in the forward direction when the Forward/Reverse switch is
in the FORWARD position.
WARNING CONTINUED ON NEXT PAGE
Page 15-12
2009 Electric Precedent Maintenance and Service Manual