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SP 3470F Series
Technical Information
Standard Equipment
1. 24-volt electrical system
2. Crown’s Access™ traction
control module
3. Separately excited motor
technology
4. Motor Monitoring System
(MMS). MMS includes
motor brush wear
indicators and motor
temperature indicators.
5. Electronic steering
6. Two-speed raise/lower with
soft start and stop lower
7. Intelligent Braking System
(IBS) with low-profile
brake pedal
8. Linear speed control
9. Start up and run time
diagnostics
10. Programmable performance
features
11. Information Display Panel in
operator platform
12. Elapsed time counter
13. Battery discharge indicator
with lift interrupt
14. Steer tire direction indicator
15. Hour meters–hours recorded
for total operating, traction,
lift, lower and steer
16. Soft urethane twist grip with
“cam grip”
17. 10° angled steer wheel with
soft feel spinner
18. Storage compartment
19. Premium platform cushion
20. Clear visibility platform
window
21. Clear visibility mast design
22. Key switch
23. Horn
24. Strobe light
25. Hinged side gates with
power disconnect
26. 14.25" battery compartment
27. 350 amp battery connector
28. 2" diameter battery
compartment rollers
29. Top battery access for service
30. Removable steel battery
side covers
31. Adjustable battery retainer
32. Hinged, lift off steel power
unit doors
33. Emergency power cut-out
34. Operator belt and lanyard
35. Pallet clamp
36. InfoPoint
®
Quick Reference
Guide and Maps
A soft urethane twist grip is
solidly mounted to the truck
console to provide excellent
stability for the operator during
travel, plugging and braking.
Controls for lift/lower, horn and
emergency disconnect are
conveniently located for efficient
operation and minimal operator
fatigue. The steering wheel is
angled at 10° and recessed to
maximize the work area and
reduce steer effort. The steering
wheel and spinner knob are
covered with soft urethane to
reduce grip force and insulate
against vibration. Control location
keeps the operator’s posture
neutral at all times. The platform
cushion, made of a microcellular
composition, absorbs shock and
vibration. The brake pedal has
a low-profile design and when
engaged is flush with the platform
cushion for maximum comfort.
Heavy-duty side gates, with
two horizontal and one vertical
support rails, communicate
security to the operator. For
additional safety, cut-out
switches disengage truck
operation when side gates are
raised. Two work lights, two
dome lights and a two-speed fan
are optional. “Power-on” key
prevents unauthorized operation
of the truck; start position
initializes truck “self-test”.
The Information Display Panel
provides concise, clear
feedback for the operator
during truck operation.
Responsibly Innovative
Electronics
Environmentally hardened
heavy-duty 24-volt electrical
system. The system utilizes an
intelligent network of modules
to provide real time truck
control, display, diagnostics and
calibration. A distribution panel
provides a central location for
troubleshooting, reduces wiring
requirements, and enables future
options to be added easily. The
control system can be accessed
by the Service Terminal to provide
calibration of truck parameters
and optional features set-up.
The control system is also used
to extract service diagnostic and
management data. The link-up
port is conveniently located
on the platform and is easily
accessible without removal of
covers for connection.
The Crown Program Analysis
Cartridge (PAC) works in
conjunction with the Service
Terminal and ensures users
simple, fast program upgrade
of systems.
37. Color-coded wiring
38. 6" diameter load wheels
39. Four-point foot print
Optional Equipment
1. Crown wire guidance
(broadband technology)
operates on all frequencies
ranging from 5.2 through
10 Khz without changing
components.
2. Aisle guide wheels for
rail guidance
3. Battery retainer
interlock switch
4. Work lights, dome light
and two-speed fan
5. Spotlights
6. Flashing amber strobe light
7. Fork raise cutout with or
without override and/or
lower cutout with override
8. Zone select key switch
9. 42", 54", 60" and 64" wide
operator platforms
10. Corrosion conditioning
11. Freezer conditioning
(Includes corrosion condi-
tioning, ribbed floor mat
and wire mesh windshield)
12. Wire mesh screen (Standard
with freezer conditioning)
13. Retractable tether
14. Load wheel and drive
tire compounds
15. 30" lanyard boom
16. Special paint
17. Work Assist™ Accessories
• Clip pad and hook
• Plate
• Pocket
18. Fire extinguisher
Human Factor
The operator area is designed for
maximum visibility and stability for
increased operator confidence
and comfort.
The operator platform features a
large window (1088 sq in) for
excellent visibility. A Crown-
designed clear-visibility mast
affords the platform window one
forward and two peripheral win-
dows for maximum visibility, even
when the platform is lowered.
The clear-visibility mast, with
full free lift, extends the platform
window above the mast
channels for unobstructed
visibility when raised.
A low-profile power unit, low
placement of the lower cross
brace and an outer C-channel
rail assembly also contribute to
excellent visibility.
Information Display Panel
The Information Display Panel
travels with the operator at all
times. Features include audible
and visual prompts for the
operator, steer wheel direction
indicator, battery fuel gauge with
lift interrupt, wire guidance status
lights, hour meters for all motors,
brush wear indicators and motor
temperature indicators, elapsed
time counter, optional battery
retainer interlock light, and
optional fork height “zone
select” control.
The Service Terminal also pro-
vides extensive service history
information as well as “real time”
electrical system diagnostics
and fault isolation information
for servicing.
Enhanced and
Interchangeable Drive Unit
A Crown-manufactured drive unit
uses spiral bevel and helical gears
from motor to drive wheel axle.
Fixed, mounted drive motor does
not rotate minimizing wear on
electrical cables. Drive tire
changing is simplified with this
new drive unit. Crown Turret
Trucks and Reach Trucks also
use this drive unit.
Four-wheel Configuration
A drive tire, caster wheel, and two
load wheels provide a four-point
foot print. Caster is adjustable to
compensate for tire wear.
Travel System
Crown’s exclusive Access
traction control module
dramatically improves travel
speeds, acceleration and
deceleration, thus increasing
productivity. The network of
modules knows the position
of side gates, the speed and
direction of travel, the position of
the steer wheel, the truck weight
and the height of the operator
platform. The traction control
module uses this information to
control acceleration, braking,
plugging and maximum speed.
The Crown traction system
provides high available torque
utilizing a Crown manufactured
separately excited motor and
maintains constant performance
levels under varying loads, condi-
tions and battery state of charge.
Speeds remain the same empty
or loaded. Separately excited
motor technology eliminates
forward, reverse and bypass
contactors achieving higher
levels of reliability. Regenerative
motor braking helps save energy,
increases motor brush life and
decreases motor temperature.