Figure 3-2. Contactor unit, front view

3-5.

Contactor Unit

a. Test.

the accelerator pedal slightly. The reverse contactor (R)

and the control relay must operate.

(1) Use thin cardboard to insulate all four pairs

(5) With the pedal still depressed, more the

of contacts on the forward and reverse contractors (F

directional control switch to the forward (F) position. The

reverse contactor and control relay must de-energize.

(2) Turn on the key switch, apply pressure to the

b. Inspection. Visually inspect all components for

seat, and make sure the emergency stop switch is

evidence of wear or damage. Check for cracked or

released. The power steering (PS) and emergency

frayed wires.

cutout (ECI contractors must operate.

c. Disassembly.

(3) Move the directional control switch to the

forward (F) position and depress the accelerator pedal

(1) Disconnect battery and discharge capacitors

slightly. The forward contactor (F) and the control relay

(CR) must operate.

(2) Reference figure 3-3 and disassemble

(4) Release the pedal and move the directional

contactor unit in numerical sequence.

control switch to the reverse (R ) position. Depress unit.

3-4