MODEL | CONDITION | POSSIBLE CAUSE | CORRECTION | ||
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All | Plow will not hold in | 1. Air in cylinders and hoses. | 1. | Bleed cylinders and hoses. Tighten P.A. | |
Power | angled position. |
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| cylinder gland nut. |
Angling |
| 2. | Leaking “C” cartridge | 2. | Replace |
Models |
| 3. | Leaking or open pilot check valve. | 3. | Clean or replace pilot check valve. |
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| 4. | Leaking crossover relief valve. | 4. | Clean or replace crossover relief valve. |
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| 5. | Crossover relief valve opening at | 5. | Replace crossover relief valve. |
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| too low a pressure. |
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All | Motor does not operate. | 1. Discharged or defective battery. | 1. | Recharge or replace battery. | |
Power |
| 2. | Loose or corroded electrical connections. | 2. | Clean and tighten electrical connections. |
Angling |
| 3. | Inoperative starter solenoid. | 3. | Replace starter solenoid. |
Models |
| 4. | Malfunctioning control switch. | 4. | Replace control switch. |
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| 5. | Malfunctioning motor. | 5. | Repair or replace motor. |
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All | Plow does not lower. | 1. No current to “A” coil. (black wire) | 1. | Locate malfunction and repair. | |
Power |
| 2. | “A” cartridge jammed in closed position. | 2. | Clean or replace “A” cartridge. |
Angling |
| 3. | Inoperative “A” coil. (black wire) | 3. | Replace “A” coil. (black wire) |
Models |
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All | Plow creeps down. | 1. Leaking “A” cartridge. | 1 Clean or replace “A” cartridge. | ||
Power |
| 2. | Leaking “A” cartridge | 2. | Replace |
Angling |
| 3. | Leaking “B” check valve. | 3. | Clean or replace “B” check valve. |
Models |
| 4. | Leaking ram packing cup. | 4. | Replace ram packing cup. |
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| 5. | Leaking | 5. | Replace |
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