Chapter 2 — Installing the Forklift Power Supply
12 PB50 and PW50 Forklift Power Supply Installation Guide
Mounting the Power Supply
The input power cable is approximately 2.74 m (9.0 feet) long
and may be shortened if necessary. The output power cable is
approximately 2.2 m (7.2 feet) long and should not be
lengthened.
You should take these lengths and the intended location of your
electronic equipment into consideration when choosing a
mounting location for the power supply.
The mounting surface location must provide 838 to 1032 square
cm (130 to 160 square inches) of metallic surface to sink heat
generated by the power supply. This metallic mounting surface
may be connected to, or actually part of, the forklift chassis as
long as the chassis is not electrically connected to the battery
negative or positive.
Side-Mount Battery With View of Negative (-) and Positive (+)
Direct Versus Isolation Mounting on the Lift Chassis
Previously, the power supply has been placed directly on the lift
chassis. Direct mounting provides both an adequate heat sink
and prevents static charge buildup between the metal of the
power supply, the printer, and the lift chassis.
Note: Although you can shorten the input power
cable if necessary, you should not extend the cable on
12V or lower systems. On higher voltage systems,
extensions should be kept to a minimum and should
be of equivalent or lower gauge (larger diameter) wire.
Keep the cable as short as possible.
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