Chapter 1 — Introduction
PB50 and PW50 Forklift Power Supply Installation Guide 3
Power Supply Considerations
Use the following considerations when you are installing the
power supply.
• The power supply (P/N 851-070-003) accepts input voltage
ranging from 6 to 60 Vx for use with forklifts using electrical
systems running 12 to 60 Vx. It provides 12 Vx output
which is filtered and regulated. It also provides short-circuit,
over-voltage, and over-temperature protection.
• You should mount the power supply to the forklift chassis or
connect it (electrically) through external wire to the forklift
chassis. Chassis ground to the printer or other equipment is
then established through the power supply output cable.
• Since the power supply produces heat, Intermec advises that
you mount it on a metallic surface that is a minimum of 838
to 1032 square cm (130 to 160 square inches which is
approximately one square foot or more) to disperse heat. This
location should not be in the vicinity of sources of forklift-
generated heat.
Understanding the LEDs
A single or a pair of green light-emitting diodes (LEDs), located
near the output connectors on the power supply, lights up
whenever you apply voltage to the output power cable. Mount
the power supply in a location that allows easy visibility to LEDs
for troubleshooting.
Note: This document assumes that you have already
installed the vehicle mount printer on your forklift
and that you have the correct power supply and power
supply input cable for your forklift before you proceed
with the installation.
Note: Use the hardware supplied in the kit, or
equivalent, to mount the power supply. Do not use
sheet metal screws or other less permanent or rugged
mounting solutions.
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