4-7.3 Transistor/Contactor Panel - Big Joe PPT 45 Series Operation, Maintenance, Repair Parts

1
-
+
-
Figure 4-24. Battery Cable Replacement
PPT0104-901336
1
2
3
5
6
4
6
Figure 4-23. Battery Installation
3
2
4
+
I-7028
7
Two 12V batteries with
charger built into truck
8
Four 6V batteries with
charger built into
9
battery pack
Single 24V (flooded cell)
industrial battery
10

4-7.3 Transistor/Contactor Panel

NOTE: Erratic operation of the truck may be caused
by defective controller components. Before
removing the contactor control panel, perform
troubleshooting procedures per paragraph 6-3,
to determine corrective action to be taken.
1. Contactor Panel Removal.
a. Disconnect the battery.
b. Remove screws (5, 7 and 9, Figure 4-6), lock-
washers, flat washers, and motor compartment
covers (6, 8 and 10).
c. Refer to Figure 4-25 and tag and disconnect all
electrical wires and cables, which connect to
the contactor panel (1).
d. Remove nuts and lockwashers to release and
remove the contactor panel assembly.
1
Figure 4-25. Contactor Panel Removal
I-7027
I-7029
4-21