Hydraulic Drive System - Graco Reactor 2 H-30 Repair Parts

Troubleshooting
Hydraulic Drive Drive System System
Hydraulic Hydraulic Drive System
Before performing any troubleshooting procedures:
1. Follow Pressure Relief Procedure, page
PROBLEM PROBLEM PROBLEM
Electric motor will not start or stops
during operation.
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2. Turn the main power switch OFF.
3. Allow equipment to cool.
Try the recommended solutions in the order given for
each problem, to avoid unnecessary repairs. Also,
determine that all circuit breakers, switches, and
controls are properly set and wiring is correct before
assuming there is a problem.
47.
NOTE: Motor startup is delayed a maximum of 5
NOTE: NOTE:
seconds from the last time the motor was turned off
to reduce the chance of the motor overheating.
CAUSE CAUSE CAUSE
Loose connections and/or contactor
(CT01) is not closing.
Damaged HCM.
Loose connections and/or contactor
(CT01) is closing.
Circuit breaker tripped.
SOLUTION SOLUTION SOLUTION
Check wiring between the following
components:
• HCM and contactor CT01
• HCM and fuses F11/F12
Replace HCM.
Check wiring between the following
components:
• motor junction box and CB12
• CB12
• contact CT01 and main
disconnect switch (or terminal
blocks TB06 and TB09)
Reset CB12 within the electrical
enclosure after confirming wiring is
correct and its insulation is intact.
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