68 - FORM NO. 56043052 / HYDRO-RETRIEVER™ 2052, CR 1300
WHEEL DRIVE SYSTEM
4
Turn the key switch ON and push down on the operator’s seat while watching the main contactor (see Figure 7).
•
If the contacts in the main contactor move when the seat is pushed, go to step 6.
•
If the contacts in the main contactor do not move when the seat is pushed, go to step 5.
5
See Figure 7. Disconnect the Red/Brown and Black wires from the coil terminals on the main contactor. Connect a DC voltmeter to the
wires (positive to Red/Brown).
•
Turn the key switch ON and push down on the operator’s seat.
•
If the meter reads 0 volts check the safety switch under the operator’s seat.
•
If the meter reads 36 volts, replace the main contactor.
6
Turn the key switch ON, push down on the operator’s seat and press the drive pedal. The forward contactor (see Figure 7) should engage
when the pedal is pushed forward and the reverse contactor should engage when the pedal is pushed in reverse.
•
If both contactors engage as described above, go to step 7.
•
If the contactors do NOT engage as described above, check the forward and reverse switch mechanism (see Forward/Reverse Switch
section). If the switches work properly, replace the electronic interlock.
7
Lift the operator’s seat and disconnect wires 21 and 22 from the wheel drive motor. Use jumper cables to connect a 12 volt battery directly
to terminals on the motor.
•
If the motor runs, check the contacts in the forward, reverse and the main contactor for defects.
•
If the motor does not run, remove the motor from the machine, repair or replace as required.
TROUBLESHOOTING GUIDE (CONTINUED)
revised 3/00
FIGURE 7
