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Workman MDE
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Electrical System
General Information
The Workman MDE uses a 48 volt DC electrical system
that is an isolated circuit. The vehicle frame is not used
for any ground connections.
The vehicle controller monitors operator and vehicle in-
puts to determinevoltage to thetraction motor.If a prob-
lem exists that will prevent normal vehicle operation, an
LED on the controller and the vehicle status light on the
dash panel will flash a fault code to assist in identifying
the problem.
After performingany repair onelectrical components on
the vehicle, makesure that wiring isrouted and secured
so as to prevent abrasion or contact with moving parts.
Operator’s Manual
The Operator’s Manual provides information regarding
the operation, general maintenance and maintenance
intervals for your Workman vehicle. Refer to the Opera-
tor’s Manual for additional information when servicing
the machine.
Opening Battery Circuit
To prevent allowing a current path through tools used
during vehicle electrical circuit repairs, remove one of
the battery cables from the battery pack as the first step
in any repair (Fig. 1). Once a cable has been removed,
the electrical system on the vehicle can be safely
worked on. Take care during repairs, however, to not al-
low tools or vehicle components to complete the battery
circuit that was opened with the cable removal.
Reattach the removed cable to the battery pack as the
last step in anyrepair. Secure cableon each battery ter-
minal with lock washerand nut. Torque nuts from 115 to
125 in--lb (13.0 to 14.1 N --m).
Battery pack cable routing is shown in Figure 2.
Figure 1
1. Negative cable to vehicle 2. Positive cable to vehicle
Figure 2
A
4
1
2