TROUBLE | PROBABLE CAUSE | REMEDY | |
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Excessive belt wear | 1. Pulley out of alignment | 1. Realign motor pulley with | |
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| compressor pulley | |
| 2. Belt too loose or too tight | 2. Adjust tension (See Drive | |
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| Belt Section) | |
| 3. Belt slipping | 3. Adjust tension or replace | |
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| belt (See Drive Belt | |
|
| Section) | |
| 4. Pulley wobbles | 4. Check for worn crankshaft, | |
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| keyway or pulley bore | |
|
| resulting from running the | |
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| compressor or motor with | |
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| loose pulleys. Check for | |
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| bent pulleys or bent crank- | |
|
| shaft | |
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|
|
|
Oil in the discharge | 1. Worn piston rings | 1. Replace with new rings | |
air | 2. Compressor air intake | 2. Clean filter. Check for other | |
| restricted | restrictions in the intake | |
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| system | |
| 3. Restricted breather | 3. Clean and check breather | |
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| for free operation | |
| 4. Excessive oil in compres- | 4. Drain down to full level | |
| sor |
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|
| 5. Wrong oil viscosity | 5. Use SAE 30 (ISO 100) | |
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| ||
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| oil, Mobil 1 5W30 or Mobil | |
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| 1 10W30 (See page 14). | |
| 6. Connecting rod out of | 6. Replace rod | |
| alignment |
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