1 - 5
INTRODUCTION
FEBRUARY 2014
32DSST04.D.4
S-SERIES PUBLIC USE SERVICE MANUAL
TABLE 1-1: S-SERIES PUBLIC USE LIFT COMPONENT TERMS
REF
NAME
DESCRIPTION
1, 2,
3, 4
Left, right,
front, rear
Position references when lift is viewed from outside of vehicle.
5
Bridgeplate load
sensor
Senses if weight is present on the lowered bridgeplate.
6
Hydraulic cylinder
(left and right) Telescoping single-acting cylinders convert
hydraulic pressure into platform lifting and folding force.
7
Hydraulic power unit
Contains hydraulic pump driven by electric motor that produces pressure
to raise and fold platform, and a pressure release valve to unfold and lower
it.
8
Audible alarm
(inside housing for hydraulic unit) Announces when something has
passed over threshold. Activated by threshold beam.
9
Cycle counter
Visible at rear of housing, it records number of times platform has moved
from floor to ground and back to floor.
10
Visual alarm
Flashing light makes it known when something has passed over threshold.
Activated by threshold beams.
11
Manual backup pump
handle
Used to operate manual back up-pump (located on hydraulic power unit
cover).
12
Stow-Lock catch
Engages latch located on bottom of bridgeplate when platform is fully
stowed.
13
Baseplate
assembly
Bolts to vehicle floor; provides secure foundation for lift.
14
Threshold beams
Light-beams detect presence of objects in threshold area.
15
Serial number
Location of serial number decal.
16
Top and bottom arms
(left and right) Upper and lower links connecting vertical arm to base as-
sembly.
17
Vertical arm
(left and right) Connects platform to top and bottom arms.
18
Bridgeplate
(inboard rollstop)
Plate bridges gap between platform and baseplate when platform is at
floor level. Acts as barrier to prevent wheelchair from rolling off of the plat-
form during "Up" and "Down" platform motions.
19
Handrail
(left and right) Provides a handhold for standing passenger.
20
Occupant restraint
belt
Electrically interlocked safety belt that is intended to prevent acceleration
of wheelchair from platform. Lift will not operate unless belt is properly
connected.
21
Front rollstop
Front barrier prevents the wheelchair from inadvertently rolling off of the
platform during lift operation.
22
Platform
Component of lift where the wheelchair and occupant are situated during
"Up" and "Down" lift motions.
23
Platform light
(left and right) Directs light onto platform surface.
24
Control pendant
Hand-held device controls platform motions.
END OF TABLE