Hydraulic Drive System - Graco Reactor 2 Repair Parts

Troubleshooting
Hydraulic Drive Drive System
Hydraulic Hydraulic Drive
Before performing any troubleshooting
procedures:
1. Follow Pressure Relief Procedure, page
PROBLEM
PROBLEM PROBLEM
Electric motor will not start or
stops during operation.
38
System
System
49.
Loose connections and/or
contactor (CT01) is not closing.
Damaged HCM.
Loose connections and/or
contactor (CT01) is closing.
Circuit breaker tripped.
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.
NOTE: Motor startup is delayed a maximum of NOTE: NOTE:
5 seconds from the last time the motor was
turned off to reduce the chance of the motor
overheating.
CAUSE
CAUSE CAUSE
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
Reset CB12 within the electrical
enclosure after confirming
wiring is correct and its
insulation is intact.
SOLUTION
SOLUTION SOLUTION
disconnect switch (or terminal
blocks TB06 and TB09)
334946J