AR20.10-W-1271A | Remove/install coolant pump | 7.10.10 |
ENGINES 904.9 in MODEL 374, 375, 673, 674, 676, 958, 970, 972, 975, 976
ENGINES 906.9 in MODEL 374, 958, 970, 972, 974, 975, 976
ENGINES 906.9 in MODELS 374, 375, 950, 952, 953, 954, 958
W20.10-1024-06
Shown on engine 904.9
1 Belt pulley
2 Coolant pump
3 Connecting piece
4 Coolant line
(model 673, 674, 676 with engines up to engine end no. 040487)
5 Coolant line
(model 673, 674, 676 with engines from engine end no. 040488)
6 Crankcase ventilation line
7 Connection fitting
8 Gasket
9 Bracket (models 673, 674, 676)
10 Engine wiring harness connector
11 Fitting (model 673, 674, 676 with engines
from engine end no. 040488)
12 Coolant hose
13 Gasket
14 Coolant line
15 Coolant hose
16 Coolant thermostat
17 Poly-V-belt
18 Holder (model 374, 375, 950, 952, 953, 954, 958, 970, 972, 974, 975, 976)
B65 Coolant temperature sensor
Modification notes
| Remove/install | ||
Danger! | Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by 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. | |
1 | Drain coolant | ||
| Notes on coolant | ||
Danger! | Risk of injury caused by body parts being pinched or crushed as cab is tilted | Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure with the safety strut. | |
2 | Tilt cab | ||
| Notes on tilting the cab | ||
3 | Remove soundproofing from frame on the left and right | ||
4 | Remove coolant thermostat (16) | ||
5 | Slacken bolts at belt pulley (1) | | |
6 | Slacken poly-V-belt (17) and remove from belt pulley (1) | Do not remove poly-V-belt (17). | |
7 | Remove bolts on belt pulley (1) and remove belt pulley (1) | ||
8.1 | Remove bracket (9) at charge air manifold or at charge air pipe | Model 673, 674, 676 | |
8.2 | Remove bracket (18) on charge air pipe and coolant pump (2) | Model 374, 375, 950, 952, 953, 954, 958, 970, 972, 974, 975, 976 | |
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9 | Disconnect connector for engine wiring harness (10) on coolant temperature sensor (B65) | ||
10 | Detach coolant hose (12) | Collect coolant that flows out | |
11 | Remove engine wiring harness on connection fitting (7) and crankcase ventilation (6) line und press to the side | Installation: Install new cable ties. | |
12 | Disconnect crankcase ventilation (6) line on oil separator and press to the side | ||
13.1 | Remove coolant line (4) on connection fitting (7) | Model 673, 674, 676 with engines to engine end no. 040487 | |
Collect coolant that flows out | |||
13.2 | Remove fitting (11) on connection fitting (7) and remove coolant line (5) | Model 673, 674, 676 with engines from engine end no. 040488 | |
Collect coolant that flows out | |||
Installation: Replace sealing rings. | |||
14 | Remove connection fitting (7) | Installation: Replace seal (8) and attach with crankcase ventilation (6) line. | |
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15 | Remove connection piece (3) | Installation: Replace connection piece (3). | |
16 | Detach coolant line (14) at coolant pump (2) | Collect coolant that flows out | |
Installation: Replace sealing rings. | |||
17 | Detach coolant hose (15) at coolant pump (2) | Collect coolant that flows out | |
18 | Remove coolant pump (2) and remove gasket (13) | Installation: Clean sealing surfaces and replace gasket (13). | |
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19 | Install in the reverse order |
Charge air pipe/charge air cooling
Number | Designation | Engine Engine | |
BA09.41-N-1005-01B | Nut, charge air pipe to charge air pipe | Nm | 30 |
Coolant pump, coolant thermostat