Inspect Cooling System For Leaks - Ar20.00-S-1010S
Engine 651.955/956/957 in model 906
Shown on model 639
| Risk of injury
to skin and eyes suffering scalding from contact with hot coolantspray. 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 | ||
| Notes on coolant level | AH20.00-P-1142-01CW | ||
| Remove/install | |||
| 1 | Set heater switches to maximum heat output | ||
| 2 | Switch auxiliary heater to full output | Model 906 with code H12 (Auxiliary heater (hot water)) Model 906 with code H13 (Additional heat exchanger in cargo area) | |
| 3 | Open expansion reservoir (1) | ||
| 4 | Check coolant level; correct if necessary | ||
| Coolant specifications | BB00.40-P-0310-01A | ||
| Anticorrosion/antifreeze agents (Sheet 325.0 | BB00.40-P-0325-00A | ||
| 5 | Screw tester cap (2) onto expansion reservoir (1) | Figure | |
| 6 | Connect pressure pump (3) at tester cap (2) | Fig 1 | |
| 7 | Apply test pressure to cooling circuit | Engine 651 in model 906 Test pressure | BE20.30-N-1004-01B |
| 8 | Remove bottom engine compartment paneling | ||
| Check | |||
| 9 | Check coolant hoses as well as their connections for proper condition and coolant loss; seal, if necessary | ||
| 10 | Install in the reverse order | ||
CHECK VALUES FOR ENGINE COOLING SYSTEM CAP
| Number | Designation | Engine 651 in model 906 | |
|---|---|---|---|
| BE20.30-N-1004-01B | Test pressure | bar | 1, 5 |