Crown Equipment Automobile SC 4500 Series User Manual

C
Specifications  
SC 4500 Series  
Sit-down Rider  
Lift Truck  
SC 4500  
Series  
 
Specifications  
SC 4500 Series  
1
2
3
4
5
6
7
8
9
Manufacturer  
Model  
Load Capacity*  
Load Center  
Power  
Operator Type  
Tire Type  
Wheels (x = driven)  
Mast**  
Crown Equipment Corporation  
SC  
lb  
in  
4510-30  
3000  
4520-30  
3000  
4520-35  
3500  
4540-35  
3500  
4540-40  
4000  
Rated to 154 in  
Fork Face to Load CG  
Electric  
24  
36 Volts  
Sit-down Rider  
Cushion  
2x / 2  
Press-on Solid  
Number Front/Rear  
Lifting Height  
in  
in  
190  
35  
11  
Free Lift Height†  
12 Fork Carriage  
13 Forks†††  
ITA Class II  
36 x 4 x 1.75  
30, 39, 42, 45, 48, 54, 60  
Standard L x W x T  
Optional Lengths  
Fork Spread–Min/Max  
B°/F°  
in  
in  
in  
36 x 4 x 1.5  
9/33  
36 x 4 x 1.5  
36 x 4 x 1.75 36 x 4 x 1.75  
9/33  
9/33  
5 / 5  
72.6***  
40.3  
83  
9/33  
9.5/36  
14 Tilt  
degree  
15 Headlength  
16 Width Overall†††  
17 Height  
in  
in  
in  
in  
in  
67.9***  
40.3  
72.4***  
40.3  
77.2***  
40.3  
77.2***  
42.3  
Standard Tread  
Mast Collapsed  
Mast Extended†  
18  
238  
58.1  
21 Turning Radius  
22 Load Distance  
23 Aisle Width  
24 Speed Travel††  
25 Speed Lift††  
26 Speed Lower  
32 Weight, Less Battery  
53.6  
58.1  
62.7  
62.7  
Center of Wheel to Fork Face in  
14.3***  
14.5***  
Right Angle Stack  
Empty/Loaded  
Empty/Loaded  
Empty/Loaded  
in  
Turn Radius + Load Distance + Load Length + Clearance  
36V mph  
36V fpm  
8.5/7.6  
90/63  
90/90  
6149  
8.5/7.6  
90/63  
90/90  
5974  
8.5/7.5  
90/60  
90/90  
6216  
8.5/7.5  
90/60  
90/90  
6040  
8.5/7.2  
90/58  
90/90  
6260  
fpm  
lb  
33 Axle Load with Max Battery Unloaded Front  
lb  
4047  
4300  
4316  
4518  
4506  
34  
35 Tires  
36  
37  
38 Wheelbase  
39 Tread Width  
Unloaded Rear  
Number Front/Rear  
Size Front  
lb  
3852  
3924  
4150  
2 / 2  
18x7x12.1  
15 x 5 x 11.25  
50.1  
4122  
4355  
in  
in  
in  
in  
in  
in  
in  
%
18x7x12.1  
18x7x12.1  
18x7x12.1 18x8x12.1  
Size Rear  
45.6  
33.3  
50.1  
33.3  
54.7  
33.3  
54.7  
34.3  
Front  
Rear  
Lowest Point  
Center of Wheelbase  
33.3  
6.7  
3.0  
5.0  
40 Ground Clearance, Loaded  
41  
42 Grade Clearance, Loaded  
4.8  
27.1  
5.0  
24.6  
5.0  
22.4  
5.0  
22.4  
24.6  
43 Brakes  
44  
45 Battery  
Service  
Parking  
Type  
Foot - Motor / Electric Assist  
Auto - Electric  
Lead Acid  
46  
Capacity  
AH  
KWH  
lb  
510  
17.8  
1475  
1750  
16.01  
680  
680  
23.7  
1850  
2250  
20.50  
850  
850  
29.6  
2250  
2600  
24.88  
23.7  
1850  
2250  
20.50  
29.6  
2250  
2600  
24.88  
47  
Weight - Min  
Weight - Max  
Size - Max  
lb  
Length  
Width  
Height  
38.81  
22.80  
48 Battery Floor Height  
49 Motors  
50  
With Rollers / w/o Rollers  
Traction Motor, dia  
Lift Motor, dia  
in  
in  
in  
10.4/9.8  
7.5  
6.7  
51 Operating Pressure  
For Attachments  
psi  
Up to 3100 psi  
*
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.  
 
Specifications  
SC 4500 Series  
Mast Chart SC 4500 Series  
Lifting Height  
TT  
208  
41  
QUAD  
9
in  
172  
29  
190  
35  
226  
47  
241  
52  
240  
36  
246  
38  
258  
41  
264  
44  
276  
47  
11 Free Lift Height*  
14 Tilt B/F  
in  
degree  
in  
5/5  
5/5  
5/5  
89  
3/5  
3/5  
5/5**  
83  
5/5**  
86  
5/5**  
89  
5/5**  
92  
5/5**  
95  
17 Mast Collapsed Height  
18 Mast Extended Height*  
77  
83  
95  
100  
289.5  
in  
220.5  
238.5  
256.5  
274.5  
288  
294  
306  
312  
324  
* Includes load backrest.  
**Not available with drive-in rack or double-function hydraulics.  
Technical Information  
SC 4500 Series  
6. Crown display  
9. Keyless on/off switch  
10. Fork lengths  
Standard Equipment  
1. Crown’s Access 1 2 3®  
Comprehensive  
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.  
• 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  
11. Polished and tapered forks  
12. Load backrest heights  
System Control  
2. e-GEN™ Braking System  
with automatic parking brake  
3. Intrinsic Stability System  
13. Non-marking smooth or lug  
rubber tires  
14. Drive-in rack overhead guard  
15. Tilt options  
• 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  
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.  
• Access 1 2 3 diagnostics  
• P1, P2, P3 Performance  
tuning  
16. Working lights  
17. Flashing lights  
18. Brake, tail and back-up light  
19. Audible travel alarms  
20. Tilt position assist  
21. Arm rest  
7. 350 amp battery connector  
8. InfoPoint® System with  
Quick Reference Guide  
9. Color-coded wiring  
Crown Drive System  
• Cornering speed control  
• Ramp hold  
22. Work Assist™ Accessories  
• Clip pad and hook  
• Clamp  
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, indepen-  
dently controlled, AC drive  
motors are specifically designed  
to optimize system integration  
between the traction and  
10. Lift out or side removal  
battery access  
• Ramp speed control  
4. 36-volt system  
11. Dual 15" steer tires  
12. Large 18" cushion drive tires  
• Clamp and  
mounting plate  
5. Driveability standard features  
• 15" step height  
13. Crown-manufactured drive  
and lift motors  
• Operator fan  
• Fire extinguisher  
• Mirrors  
• Large, uncluttered  
floorboard  
14. Proportional rack and  
pinion steering  
• Rubber floor mat  
15. Waterfall design  
overhead guard  
Rubber accelerator and  
brake pedal  
Driveability  
The SC 4500 Series benefits  
from Crown’s design and  
engineering excellence.  
Numerous design features  
improve operator comfort  
and productivity.  
16. 48" high load backrest  
• Large, entry/exit “window”  
braking controls.  
17. No tool lift out floorboards  
for service access  
Contoured battery cover for  
easy entry/exit  
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.  
18. High visibility mast with  
in-line hose routing  
• Full suspension seat with  
anti-cinch seat belt and  
hip restraint  
19. O-ring face seal  
hydraulic fittings  
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. Floor-  
boards are large, uncluttered  
and rubber covered to insulate  
the operator from vibration.  
• Compact steering wheel  
and steering column  
20. 5° Forward / 5° Back tilt  
• Infinitely adjustable  
tilt steering  
Optional Equipment  
1. Battery rollers  
Operator forward design  
for enhanced visibility  
The Crown display is used for  
easy troubleshooting, access  
service history and set perfor-  
mance features. A distribution  
panel is conveniently located  
with all test points, control  
fuses and central wiring for  
easy troubleshooting.  
2. Shoulder seat restraint  
3. Freezer and corrosion  
conditioning  
• Low cowl for fork and  
floor visibility  
4. Sideshifter  
• Urethane covered  
control handles with  
tactile feedback  
5. Hydraulic valves for  
attachments  
Brake and accelerator pedals are  
rubber covered to provide good  
grip and comfort.  
6. Quick disconnect  
hydraulic connectors  
• Natural position for  
forward/reverse selector  
Three modes of performance  
can be selected to accommo-  
date operator experience or  
application requirements.  
• Automatic parking brake  
7. Steering spinner knob  
8. Storage tray  
 
Technical Information  
SC 4500 Series  
Hydraulics  
“In-line” hose routing opens up  
visibility. Cylinders are placed  
to the sides to create a high  
visibility design.  
Other Options  
e-GEN™ Braking System  
Variable regenerative motor  
braking is optimized and  
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.  
1. Audible travel alarm  
2. Flashing lights  
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.  
Safety considerations and  
dangers associated with  
audible travel alarms and  
flashing lights include:  
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.  
• Multiple alarms and/or lights  
can cause confusion.  
• Workers ignore the alarms  
and/or lights after day-in and  
day-out exposure.  
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.  
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.  
• Operator may transfer the  
responsibility for “looking out”  
to the pedestrians.  
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.  
• Annoys operators and  
pedestrians.  
Automatic electric parking  
brakes activate when the  
operator leaves the seat, a  
travel input has not been  
requested or battery power  
has been disconnected.  
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.  
Mast Assembly  
Proportional Rack and  
Pinion Steering System  
Hydrostatic power steering uses  
a large, totally enclosed rack and  
pinion gear 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.  
This time proven design is quiet  
and reliable, providing years of  
trouble-free service.  
Carriage  
An ITA Class II carriage is stan-  
dard. An optional hook type ITA  
sideshifter or other attachments  
are easily added. Optional fork  
lengths are available.  
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.  
 
Crown Equipment Corporation  
New Bremen, Ohio 45869 USA  
Tel 419-629-2311  
C
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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