Check Main Circuit Coolant Level - AP20.30-P-2050D
Model 172 with engine 152, 271, 274, 276, 651
Shown on engine 152
Fig 1: Main Circuit Coolant Expansion Reservoir Components Location - Model 172 With Engine 276 (Shown On Engine 152)
| Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. Risk of poisoning from swallowing coolant. | Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. | AS20.00-Z-0001-01A | |
| Notes on coolant | AH20.00-N-2080-01A | ||
| Check | |||
| 1 | Check coolant level in light-dark boundary area of coolant expansion reservoir (2) | For coolant expansion reservoirs (2) with transparent tank lower part. Coolant level below light-dark boundary: ↓ Coolant level incorrect, continue with operation step 2. Coolant level above light-dark boundary: ↓ Coolant level correct. |
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| Remove | |||
| 2 | Unscrew cap (1) for coolant expansion reservoir (2) | For an incorrect coolant level. | |
| Check | |||
| 3 | Check coolant level | For an incorrect coolant level. If coolant level is too low: ↓ Check coolant for leak tightness and check coolant for antifreeze content subject to separate repair order. |
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| Coolant specifications | BB00.40-P-0310-01A | ||
| Install | |||
| 4 | Seal coolant expansion reservoir (2) with cap (1) | For an incorrect coolant level. |