Grizzly G0812 Owner's Manual page 55

Hydraulic System
Symptom Possible Cause
Hydraulics aren't 1. Hydraulic fluid level is low.
functioning. 2. Hydraulic pump motor wiring connection is
incorrect.
3. Hydraulic system is leaking.
4. Flow blocked or impeded.
5. Hydraulic pump is faulty.
6. Control panel wiring is faulty.
Vise doesn't open/ 1. Vise valve solenoids are faulty.
close. 2. Vise valve solenoids connections are bad.
3. Vise hydraulic system is leaking.
4. Control panel wiring is faulty.
Headstock doesn't 1. Headstock valve solenoids are faulty.
raise/lower. 2. Headstock valve solenoids connections are
bad.
3. Headstock hydraulic system is leaking.
4. Control panel wiring is faulty.
Hydraulic tank fluid 1. Hydraulic fluid is old or contaminated with
water.
burnt or has tan
discoloration.
Model G0812 (Mfd. Since 2/16)
Possible Solution
1. Check/fill hydraulic fluid level (Page 45).
2. Check/correct pump motor wiring (Page 66).
3. Test for leaks/repair.
4. Hydraulic line pinched or damaged.
5. Test/repair/replace.
6. Check that hydraulic pump motor is running and
that solenoids are activating (indicated by red LED
in solenoid plug).
1. Test/repair/replace.
2. Check solenoid plugs.
3. Test for leaks/repair.
4. Check that hydraulic pump motor is running and
that solenoids are activating (indicated by red LED
in solenoid plug).
1. Test/repair/replace.
2. Check solenoid plugs.
3. Test for leaks/repair.
4. Check that hydraulic pump motor is running and
that solenoids are activating (indicated by red LED
in solenoid plug).
1. Replace hydraulic fluid (Page 45).
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