Page F-17
Repair and Service Manual
B
B
ELECTRONIC SPEED CONTROL
Read all of Section B and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
CONTROLLER REPLACEMENT
Tool List Qty.
Socket, 10mm ............................................................. 1
Socket, 7/16"............................................................... 1
Socket, 13mm ............................................................. 1
Ratchet........................................................................ 1
Extension, 6" ............................................................... 1
Insulated wrench, 9/16"............................................... 1
Shop towel .................................................................. 1
Torque wrench, in. lbs. ................................................ 1
Torque wrench, ft. lbs. ................................................. 1
Large Screwdriver....................................................... 1
Remove the seat.
Before any electrical service is performed on 48 volt
model vehicles, the Run-Tow/Maintenance switch must
be placed in the ‘Tow/Maintenance’ position.
If a power wire (battery, motor or controller) is discon-
nected for any reason on the 48 volt model vehicle, the
Run-Tow/Maintenance switch must be left in the ‘Tow/
Maintenance’ position for at least 30 seconds after the
circuit is restored.
To prevent electrical shock, the BL- wire must
be removed before discharging the controller
by shorting the B+ and B- terminals of the con-
troller with a large screwdriver. Be sure to hold
screwdriver by the insulated portion.
Using an insulated wrench, remove the BL- wire from
the battery.
Note the location of the wiring on the controller before remov-
ing wiring from controller. (Ref Fig. 18)
Remove the controller mounting nuts and remove the
controller.
Mount new controller to mount and reconnect wiring.
Tighten the controller mounting bolts to 108 - 132 in.
lbs. (12 - 15 Nm) torque and the M6 (F1 and F2) bolts to
80 - 90 in. lbs. (9 - 10 Nm) torque and M8 (B+, M-, B-)
bolts to 120 - 130 in. lbs. (14 - 15 Nm) torque.
Replace controller mount assembly in vehicle. Replace
and tighten nuts to 6 - 8 ft. lbs. (8 - 11 Nm) torque.
Reconnect the BL- battery cable and replace the seat.
SOLENOID REPLACEMENT
Tool List Qty.
Socket, 3/8" ................................................................. 1
Socket, 7/16" ............................................................... 1
Socket, 1/2" ................................................................ 1
Socket, 5/16" .............................................................. 1
Ratchet ........................................................................ 1
Extension, 6" ............................................................... 1
Insulated wrench, 9/16"............................................... 1
Shop towel................................................................... 1
Torque wrench, in. lbs. ................................................ 1
Torque wrench, ft. lbs. ................................................. 1
Large Screwdriver ....................................................... 1
Remove the seat.
Before any electrical service is performed on 48 volt
model vehicles, the Run-Tow/Maintenance switch must
be placed in the ‘Tow/Maintenance’ position.
If a power wire (battery, motor or controller) is discon-
nected for any reason on the 48 volt model vehicle, the
Run-Tow/Maintenance switch must be left in the ‘Tow/
Maintenance’ position for at least 30 seconds after the
circuit is restored.
To prevent electrical shock, the BL- wire must
be removed before discharging the controller
by shorting the B+ and B- terminals of the con-
troller with a large screwdriver. Be sure to hold
screwdriver by the insulated portion.
Using an insulated wrench, remove the BL- wire from
the battery.
Note the location of the wiring on the solenoid before remov-
ing wiring from solenoid (Ref Fig. 18)
Remove the solenoid mounting bolts and remove the
solenoid.
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