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INSTALLATION
MAY 2020
32DFRE02.C
FR2E-SERIES SERVICE MANUAL
3.
INSTALLING VEHICLE WIRING HARNESS
Route wiring harness from vehicle ramp controls to rear of ramp. Use the supplied electrical installation kit
to connect vehicle control wiring to the ramp interface connector (Ricon P/N 51034). See
Table 2-1
for 12-
pin Deutsch connector pin and signal descriptions.
a. Disconnect vehicle battery.
CAUTION
Be sure that harness does not interfere with any moving
parts, or binds against any parts, or is pinched in any way.
b. Install Main Circuit Breaker Kit (P/N 36267). Avoid installing near a heat source.
c. Refer to Chapter III Electrical Diagram, Figure 3-4. Route and install black ground cable (P/N 43929) to
ground connection and red power cable (P/N 43928) to positive connection block.
d. Route and install ramp interface harness (supplied by bus manufacturer) to ramp interface connection.
e. Cycle ramp a few times to ensure ramp is working properly.
Table 2-1: CONNECTOR SIGNAL DESCRIPTION
5 Pin 12 Pin Wire
Description
A
1
White
Interlock (Output) – No signal when ramp not stowed, Ground when ramp stowed.
B
2
Red
Stow Attempt (Input) – 12V/24V to controller to engage stow functions.
C
3
Orange Interlock (Output) – 12V/24V when ramp not stowed. 0V when ramp stowed.
D
4
Black
Deploy Attempt (Input) – 12V/24V to controller to engage deploy functions.
E
5
Brown
Heater Mat (Optional) – 12V/24V to heater mat (Grounded internally).
B.
FOLDOVER FR2E ELECTRIC RAMP COMPONENT REPLACEMENT AND ADJUSTMENTS
Removal of ramp assembly from vehicle and onto a workbench or work stand is necessary for access to enclo-
sure components. Moving the ramp assembly to a workbench or work stand may require two people.
Follow all safety requirements before proceeding with any of the following procedures.
1.
CHAIN ASSEMBLY REPLACEMENT
In the event that the chain assembly may require replacement, follow the removal and installation proce-
dures. The chain assembly is located on the inside of the enclosure. The ramp tray will not require removal
to access the chain assembly.
a. Deploy wheelchair ramp to ground level.
b. Remove Floor Cover to access enclosure components.
c. Refer to Figure 2-4. Loosen adjustment screws of Tray Position Switch Assembly.
d. Mark the position of the chain relative to the timing sprocket of the left had crank shaft.
