Crown Equipment Sc 4500 Series Users Manual Product Specifications

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C

Specifications
SC 4500 Series
Sit-down Rider
Lift Truck

SC 4500
Series

C

40.3"
FRAME

SC 4500 Series

Sit-down Rider
Lift Truck

13

39

16

21

48"

18

78.5"

9
17

19.8"
14.6"

48

42

1"

41
38

15

22

Motors

Battery

Chassis

Weights Speeds

Dimensions

General Information

SC 4500 Series

1
2
3
4
5
6
7
8
9
11
12
13

Manufacturer
Model
Load Capacity*
Load Center
Power
Operator Type
Tire Type
Wheels (x = driven)
Mast**
Fork Carriage
Forks†††

14
15
16
17
18
21
22
23
24
25
26
32
33
34
35
36
37
38
39

Tilt
Headlength
Width Overall†††
Height

40
41
42
43
44
45
46

Ground Clearance, Loaded

Turning Radius
Load Distance
Aisle Width
Speed Travel††
Speed Lift††
Speed Lower
Weight, Less Battery
Axle Load with Max Battery
Tires

Wheelbase
Tread Width

Grade Clearance, Loaded
Brakes
Battery

47

48 Battery Floor Height
49 Motors
50
51 Operating Pressure

Rated to 154 in
Fork Face to Load CG
Electric
Press-on Solid
Number Front/Rear
Lifting Height
Free Lift Height†
Standard L x W x T
Optional Lengths
Fork Spread–Min/Max
B°/F°

SC
lb
in

in
in

in
in
in
degree
in
Standard Tread
in
Mast Collapsed
in
Mast Extended†
in
in
Center of Wheel to Fork Face in
Right Angle Stack
in
Empty/Loaded
36V mph
Empty/Loaded
36V fpm
Empty/Loaded
fpm
lb
Unloaded Front
lb
Unloaded Rear
lb
Number Front/Rear
Size Front
in
Size Rear
in
in
Front
in
Rear
in
Lowest Point
in
Center of Wheelbase
in
%
Service
Parking
Type
Capacity
AH
KWH
Weight - Min
lb
Weight - Max
lb
Size - Max
Length
Width
Height
With Rollers / w/o Rollers
in
Traction Motor, dia
in
Lift Motor, dia
in
For Attachments
psi

Specifications

Crown Equipment Corporation
4520-30
4520-35
4540-35
4540-40
3000
3500
3500
4000
24
36 Volts
Sit-down Rider
Cushion
2x / 2
190
35
ITA Class II
36 x 4 x 1.5
36 x 4 x 1.5
36 x 4 x 1.75
36 x 4 x 1.75 36 x 4 x 1.75
30, 39, 42, 45, 48, 54, 60
9/33
9/33
9/33
9/33
9.5/36
5/5
67.9***
72.4***
72.6***
77.2***
77.2***
40.3
40.3
40.3
40.3
42.3
83
238
53.6
58.1
58.1
62.7
62.7
14.3***
14.5***
Turn Radius + Load Distance + Load Length + Clearance
8.5/7.6
8.5/7.6
8.5/7.5
8.5/7.5
8.5/7.2
90/63
90/63
90/60
90/60
90/58
90/90
90/90
90/90
90/90
90/90
6149
5974
6216
6040
6260
4047
4300
4316
4518
4506
3852
3924
4150
4122
4355
2/2
18x7x12.1
18x7x12.1
18x7x12.1
18x7x12.1 18x8x12.1
15 x 5 x 11.25
45.6
50.1
50.1
54.7
54.7
33.3
33.3
33.3
33.3
34.3
6.7
3.0
4.8
5.0
5.0
5.0
5.0
27.1
24.6
24.6
22.4
22.4
Foot - Motor / Electric Assist
Auto - Electric
Lead Acid
510
680
680
850
850
17.8
23.7
23.7
29.6
29.6
1475
1850
1850
2250
2250
1750
2250
2250
2600
2600
16.01
20.50
20.50
24.88
24.88
38.81
22.80
10.4/9.8
7.5
6.7
Up to 3100 psi
4510-30
3000

* Optional masts, attachments, longer load dimensions and higher lifting heights may result in derating of the capacity. Contact your local dealer.
** Other mast heights available. See chart for other standard mast heights.
*** Add 4.25 inches for quad masts.
† Includes load backrest.
†† Performance specifications are based on a truck equipped with a 190" triple telescopic mast.
†††Wide tread standard on 4000 lb model, trucks equipped with quad mast or TT mast collapsed height above 89".
Fork spread is 36" with wide tread.

SC 4500 Series

Mast Chart SC 4500 Series
9 Lifting Height
in
11 Free Lift Height*
in
14 Tilt B/F
degree
17 Mast Collapsed Height
in
18

Mast Extended Height*

in

Specifications

172
29
5/5
77

190
35
5/5
83

TT
208
41
5/5
89

226
47
3/5
95

241
52
3/5
100

240
36
5/5**
83

246
38
5/5**
86

QUAD
258
41
5/5**
89

264
44
5/5**
92

276
47
5/5**
95

220.5

238.5

256.5

274.5

289.5

288

294

306

312

324

* Includes load backrest.
** Not available with drive-in rack or double-function hydraulics.

Standard Equipment
1. Crown’s Access 1 2 3®
Comprehensive
System Control
2. e-GEN™ Braking System
with automatic parking brake
3. Intrinsic Stability System
• Travel speed reduction and
appropriate brake control
when forks are above
free lift
• Forward tilt interlock
above free lift
• Controlled tilt speeds
• Counterweight exceeds
required standards
• Cornering speed control
• Ramp hold
• Ramp speed control
4. 36-volt system
5. Driveability standard features
• 15" step height
• Large, uncluttered
floorboard
• Rubber floor mat
• Rubber accelerator and
brake pedal
• Large, entry/exit “window”
• Contoured battery cover for
easy entry/exit
• Full suspension seat with
anti-cinch seat belt and
hip restraint
• Compact steering wheel
and steering column
• Infinitely adjustable
tilt steering
• Operator forward design
for enhanced visibility
• Low cowl for fork and
floor visibility
• Urethane covered
control handles with
tactile feedback
• Natural position for
forward/reverse selector
• Automatic parking brake

6.

7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.

Crown display
• Battery discharge indicator
with lift interrupt and
re-key feature
• Hour meters / travel
distance / stop watch
• Pin code access capable
• Event code display with
five (5) key navigation
• Access 1 2 3 diagnostics
• P1, P2, P3 Performance
tuning
350 amp battery connector
InfoPoint® System with
Quick Reference Guide
Color-coded wiring
Lift out or side removal
battery access
Dual 15" steer tires
Large 18" cushion drive tires
Crown-manufactured drive
and lift motors
Proportional rack and
pinion steering
Waterfall design
overhead guard
48" high load backrest
No tool lift out floorboards
for service access
High visibility mast with
in-line hose routing
O-ring face seal
hydraulic fittings
5° Forward / 5° Back tilt

Optional Equipment
1. Battery rollers
2. Shoulder seat restraint
3. Freezer and corrosion
conditioning
4. Sideshifter
5. Hydraulic valves for
attachments
6. Quick disconnect
hydraulic connectors
7. Steering spinner knob
8. Storage tray

SC 4500 Series

Technical Information

9.
10.
11.
12.
13.

Several designs contribute to
better visibility everywhere you
look. A low cowl for fork visibility,
a unique waterfall overhead
guard for load handling, a high
visibility mast and a compact
steer column all improve operator
visibility around the truck.

14.
15.
16.
17.
18.
19.
20.
21.
22.

Keyless on/off switch
Fork lengths
Polished and tapered forks
Load backrest heights
Non-marking smooth or lug
rubber tires
Drive-in rack overhead guard
Tilt options
Working lights
Flashing lights
Brake, tail and back-up light
Audible travel alarms
Tilt position assist
Arm rest
Work Assist™ Accessories
• Clip pad and hook
• Clamp
• Clamp and
mounting plate
• Operator fan
• Fire extinguisher
• Mirrors

Driveability
The SC 4500 Series benefits
from Crown’s design and
engineering excellence.
Numerous design features
improve operator comfort
and productivity.
A low 15" step height first greets
the operator. A low battery cover
that is streamlined helps the
operator glide into the truck’s full
suspension seat. The overhead
guard is shaped to open up the
entry/exit window. The compact
tilt steer column and steer wheel
further facilitate entry/exit. Floorboards are large, uncluttered
and rubber covered to insulate
the operator from vibration.
Brake and accelerator pedals are
rubber covered to provide good
grip and comfort.

Control handles are crafted
into the compartment and
“fanned” for easy selection.
They are urethane covered
with tactile feedback for comfort
and easy selection. Control
actuation forces are minimal
and responsive.
Crown Drive System
Crown has applied the latest
generation AC drive system,
enhanced with Access 1 2 3
technology. The demand for
high efficiency systems that
closely match customer torque
requirements is met with this
generation control system.
Crown-manufactured, independently controlled, AC drive
motors are specifically designed
to optimize system integration
between the traction and
braking controls.
Crown’s Access 1 2 3
technology provides optimum
performance and control by
offering a communication
interface for operators and
technicians, intelligent
coordination of lift truck
system and simplified service
with advanced diagnostics.
The Crown display is used for
easy troubleshooting, access
service history and set performance features. A distribution
panel is conveniently located
with all test points, control
fuses and central wiring for
easy troubleshooting.
Three modes of performance
can be selected to accommodate operator experience or
application requirements.

e-GEN™ Braking System
Variable regenerative motor
braking is optimized and
assisted with electric friction
brakes, eliminating maintenance
associated with typical wet,
disk or drum and shoe style
brakes. The appropriate amount
of stopping force is applied to
match operator brake input
and the current operating
conditions of the truck.
The closed loop Access 1 2 3
traction control will keep the
truck static until a travel input is
requested, even when operating
on a grade.
Automatic electric parking
brakes activate when the
operator leaves the seat, a
travel input has not been
requested or battery power
has been disconnected.
Proportional Rack and
Pinion Steering System
Hydrostatic power steering uses
a large, totally enclosed rack and
pinion gear assembly.
The steering geometry is
matched to the controller to
deliver smooth steering at all
angles. The advantage is less tire
scrubbing which extends tire life.
Both motors receive power, even
in the tightest turns. This helps
the truck to accelerate, turn and
maneuver even from a full turn
start position.
Cornering speed control
regulates the drive motor’s
output by the turning degree
of the truck. The advantage is
smooth, stable steering which
may increase operator
confidence and productivity.
Large, (15" diameter) dual steer
wheels provide good traction
and stability.

Hydraulics
The hydraulic system provides
continuous filtration. A heat
stabilized polymer hydraulic tank
is free from contamination and
retains strength over a wide
range of temperatures. Hydraulic
attachments can be added easily
in the field using modular valve
bodies. Hydraulic valve handle
actuation is precise and oil
is controlled using metered
spool valves.
Ram displacement type lift
cylinders and two double
acting tilt cylinders are
Crown-manufactured. All
rams and piston rods are
hard chrome plated to
reduce pitting and extend
cylinder packing life. O-ring
face seal fittings are used
to eliminate leaks.
Mast Assembly
Crown-manufactured mast
assembly utilizes a “flush-face”
interlocked I-beam design to
improve visibility and save truck
length. Roller bearing studs are
welded on both sides of the rails
for maximum strength and roller
bearings are canted to run in the
thick cross section of the rail. Tie
bars wrap around the rails for
added strength and to resist
off-center load forces.

SC 4500 Series

Technical Information

“In-line” hose routing opens up
visibility. Cylinders are placed
to the sides to create a high
visibility design.

Other Options
1. Audible travel alarm
2. Flashing lights
Safety considerations and
dangers associated with
audible travel alarms and
flashing lights include:
• Multiple alarms and/or lights
can cause confusion.

The mast has four points of
attachment to the truck for good
load force distribution. Two
mounting points are at the
frame, where tilt cylinders attach.
Tilt cylinders use spherical
bushings to resist off center load
distortions. Two large diameter
trunions secure the mast to
the drive units.
Drive Units
Two independent double
reduction gear drives offer
22.5 to 1 gear reduction.
The first reduction uses spiral
bevel gears for low noise and
efficiency. The second reduction
uses helical gears.The drive unit
gears are constantly lubricated
in an oil bath.
This time proven design is quiet
and reliable, providing years of
trouble-free service.
Carriage
An ITA Class II carriage is standard. An optional hook type ITA
sideshifter or other attachments
are easily added. Optional fork
lengths are available.

• Workers ignore the alarms
and/or lights after day-in and
day-out exposure.
• Operator may transfer the
responsibility for “looking out”
to the pedestrians.
• Annoys operators and
pedestrians.
Other Options Available
Contact your local Crown dealer.
Dimensions and performance
data given may vary due to
manufacturing tolerances.
Performance is based on an
average size vehicle and is
affected by weight, condition of
truck, how it is equipped and
the conditions of the operating
area. Crown products and
specifications are subject to
change without notice.

C

Crown Equipment Corporation

New Bremen, Ohio 45869 USA
Tel 419-629-2311
Fax 419-629-3796
crown.com

Because Crown is continually improving its products,
specifications are subject to change without notice.
Crown, the Crown logo, the Momentum symbol,
Access 1 2 3, InfoPoint, e-GEN and Work Assist are
trademarks of Crown Equipment Corporation.
Copyright 2006 Crown Equipment Corporation
SF14690 9/06
Printed in U.S.A.



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Keywords                        : Crown, Electric, Sit-down, Counterbalance, Truck, Forklift
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Format                          : application/pdf
Creator                         : Crown Equipment Corporation
Title                           : SC 4500 Series Product Specifications
Description                     : SC 4500 Sit-down Counterbalance Specifications
Subject                         : Crown, Electric, Sit-down, Counterbalance, Truck, Forklift
Document ID                     : uuid:6452b71b-4400-11db-ba75-000d93453ef0
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Author                          : Crown Equipment Corporation

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