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PR 4500 Series
Technical Information
Maximum Battery Size
13.19" wide x 31.12" long x
31.62" high
Batteries
24 volt–750 amp hour–15.2 KwH
Min/Max weight 975/1500 lb
Standard Equipment
1. 24-volt fused electrical system
2. Access 1 2 3
®
Comprehensive
System Control
3. Access 1 2 3 Display (includes
BDI with lift lockout, hour
meters, event codes, PIN
code access and three
performance levels)
4. e-Gen™ braking system with
automatic parking brake
5. Crown manufactured AC
traction motor
6. Operator driveability features
• Spacious variable side-
stance compartment
• Suspended floorboard
• Premium platform cushion
• Platform area - 485 sq in
• Large, entry/exit opening
• Power Steering
• Profiled, padded backrest
• Padded knee cushion
• Urethane covered control
handles with tactile
feedback
• Entry bar safety switch
7. Polyurethane load wheels
8. Heavy-duty articulating shim
free casters (fork length < 96")
9. Quick-adjust caster with torr-
sion bar (fork length > 96")
10. InfoPoint
®
System with Quick
Reference Guide
11. 175 amp battery connector
12. Color-coded wiring
13. Steel power unit doors
14. Lift-off left and right battery
retainers
15. Key switch
16. Horn
Access 1 2 3
®
Comprehensive System
Control with AC Traction
This system provides unmatched
truck control and system
performance in:
• Traction control
• Operator interface
• Diagnostics
Crown’s technology provides
a closed-loop traction control
system which maintains speed
throughout the battery charge.
The large Crown-manufactured
AC traction motor specifically de-
signed for lift truck applications,
provides improved acceleration
and plug reversal contributing to
greater productivity. The Access™
display offers seven hour meter
readouts and odometer. The
operator message mode includes
BDI, truck hours, odometer, trip
odometer, or timer. Built-in PIN-
code (up to 25) capability that can
be programmed by customers.
The Access display also includes
a full featured on-board service
tool. The service technician can
actively view inputs and outputs
during truck operation. Event
code history including the last
16 event codes are accessible.
No service key, laptop, or
handset required.
Access controller has full-time
management control of traction
and other system inputs and
outputs. Access 1 2 3 technology
simplifies the system by reducing
componentry including contactors,
relays, and other hard-wired
components.
InfoPoint
®
InfoPoint System allows your
technician to troubleshoot without
complicated schematics, wiring
diagrams or cumbersome service
manuals for over 95% of your
repairs. Simplicity is complete
with InfoPoint Quick Reference
Guide, color-coded component
maps, and “information nuggets”
located on the truck.
Information on time consists of
clearly labeling each component
and providing an area map show-
ing the component location. A
Quick Reference Troubleshoot
Guide is supplied with each truck
showing display operation, code
definitions, and an overall compo-
nent ID of the entire truck.
Optional Equipment
1. Productivity package
2. 48", 60" or 72" high
load backrest (hinged, lift-off
or bolt-on)
3. Quick adjustment caster
(< 96" forks)
4. Torsion bar with quick
adjustment caster (< 96" fork)
5. Battery retainer interlock
switch
6. Quick battery disconnect
handle (right side only)
7. Battery compartment rollers
8. Work Assist™ Accessories:
• Strobe light
• Flashing light
• Work lights
• Fan
• Storage pouch
• Pad clip and hook
• Shrink wrap tray
9. Storage module
10. 7" wide fork (6000 lb only)
11. Drive tire and load
wheel options
12. Toggle switch in lieu of key
13. Tandem load wheels
14. Dual load wheels
15. Cold and corrosion
conditioning
16. Special color paint
17. Skid adaptor
18. InfoLink™ Ready System
Operator Area and Controls
The PR 4500 Series incorporates
numerous design features to
improve operator comfort and
productivity. The side-stance
position provides the operator
with maximum visibility. The
compartment cradles the operator
with a wrap-around chassis while
the suspended floorboard with
premium floor mat provides
maximum comfort.
The PR has a left hand steer tiller
with full-time power steering. Full
function control is provided for
the right hand to control travel
direction and speed, raise,
lower and horn.
Electrical System
Heavy-duty 24-volt electrical
system for demanding ware-
house, dock and transport appli-
cations. Crown-manufactured
AC drive motor is application
designed for reliability and ease
of service.
Hydraulics
A heavy-duty pump, motor,
reservoir and control are assembled
into one unit. A centrally located
lift cylinder, mounted vertically, is
equipped with long-life polyurethane
packing. A pressure compensating
flow control valve is an integral
part of the valve block and regulates
maximum lowering speed. Over-
load valve protects hydraulic
components.
Drive Unit
Crown-manufactured gears are
hard finished and dual machined
for high quality. All gear drive from
drive motor to drive wheel axle.
Drive tire axle is mounted in the
drive unit on both sides for maxi-
mum strength in rough floor or
docking applications. Drive unit is
top and bottom mounted. Top
mount is a large, tapered roller
bearing for vertical or horizontal
forces. Bottom mount has four
shock mounted rollers on drive
unit running in a hardened steel
roller race. Gear train runs
in an oil-filled, sealed housing.
Caster System
Standard on the PR 4500 Series
are shim free, spring loaded,
articulating, stabilizing casters for
fork lengths up to 96". Quick
adjustment casters with torsion
bar are standard on fork lengths
above 96". Quick adjustment
casters or quick adjustment
casters with torsion bar is optional
for 96" forks and below.
Quick adjustment casters adjust
quickly to enable braking, traction,
steer effort and stability to become
balanced. This system can also
increase tire life by as much as
60 percent by permitting more
tire wear. The torsion bar suspen-
sion is designed to maximize
stability on tall unwieldy and less
stable loads.