Grizzly G0664 Owner's Manual page 45

Hydraulic System Troubleshooting
SYMpTOM
hydraulics aren't function-
ing.
Vise doesn't open/close.
saw bow doesn't raise/
lower.
g0664 heavy duty Metal-Cutting Bandsaw
pOSSIBLE CAUSE
1. Machine is not in "standby Mode".
2. hydraulic fluid level is low.
3. Machine is wired out of phase.
4. hydraulic pump motor wiring con-
nection is incorrect.
5. hydraulic system is leaking.
6. hydraulic pump is faulty.
7. Control panel wiring is faulty.
1. Vise valve solenoids are faulty.
2. Vise valve solenoids connections
are bad.
3. Vise hydraulic system is leaking.
4. Vise ram is faulty.
5. Control panel wiring is faulty.
1. saw bow valve solenoids are
faulty.
2. saw bow valve solenoids connec-
tions are bad.
3. saw bow hydraulic system is leak-
ing.
4. saw bow ram is faulty.
5. Control panel wiring is faulty.
CORRECTIVE ACTION
1. press the standby ( << i) button.
2. Check/fill hydraulic fluid level.
3. Wire machine in phase.
4. Check/correct pump motor wiring.
5. test for leaks/repair.
6. test/repair/replace.
7. Check that hydraulic pump motor is running and that
solenoids are activating (indicated by red led in sole-
noid plug).
1. test/repair/replace.
2. Check solenoid plugs.
3. test for leaks/repair.
4. test/repair/replace.
5. Check that hydraulic pump motor is running and that
solenoids are activating (indicated by red led in sole-
noid plug).
1. test/repair/replace.
2. Check solenoid plugs.
3. test for leaks/repair.
4. test/repair/replace.
5. Check that hydraulic pump motor is running and that
solenoids are activating (indicated by red led in sole-
noid plug).
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