W20.20-1019-09
1 | Radiator | 8 | Coolant hose | 15 | Cooler mounting bracket | ||
2 | Coolant equalizing reservoir | 9 | Turbocharger air hose (red) | 16 | Charge air cooler | ||
3 | Coolant lines (only for vehicles with Code (H03) air conditioning at the front) | 10 | Turbocharger air hose (black) | 17 | Coolant hose | ||
4 | Bracket (only for vehicles with Code (H03) air conditioning at the front) | 11 | Coolant hose | 18 | Coolant hose | ||
5 | Electrical wire | 12 | Oil filler tube | 19 | Capacitor (only for vehicles with Code (H03) air conditioning at the front) | ||
6 | Coolant hose | 13 | Oil pipings of the transmission (only on vehicles with Code (N55) transmission oil cooling) | 20 | Liner (only for vehicles with Code (H03) air conditioning at the front) | ||
7 | Coolant hose | 14 | Connection points (only for vehicles with Code (N55) gear oil cooling) | B6 | Coolant level switch |
Only for vehicles with Code (GS1) mechanical operation of the gearbox |
26 | Telescopic rod |
27 | "Silentblock" bearing |
28 | Spacer sleeve |
29 | Washers |
W26.60-1166-11
Warning | 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. | |
Topical note | Notes on coolant | ||
Topical note | Notes on self-locking nuts and bolts | ||
| Remove/install | ||
1 | Turn off ignition | ||
2 | Open the front cover | ||
3 | Remove the front grid | Engine 457.9, 460.9 with Code H03 | |
Warning | 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 it with the safety strut. | |
4 | Remove the liner (20) | Engine 457.9, 460.9 with Code H03 | |
5 | Tilt the cabin | ||
Topical note | Notes on tilting the cab | ||
6 | Remove the acoustic encapsulation on the top frame, to the left and at the bottom | ||
7 | Remove the bracket (4) with the coolant lines (3) on the cooler (1), and tie | Engine 457.9, 460.9 on Type 934, 938 with Code H03 | |
Do not separate the coolant lines (3). | |||
8 | Remove the condenser (19) from the charge air cooler (16) | Engine 457.9, 460.9 with Code H03 | |
Do not separate the coolant lines (3). Tie the capacitor (19) to the front suspension of the cab. | |||
9 | Drain the coolant | ||
10 | Remove the hydraulic pipings from the telescopic rod (26) | Engine 457.9, 460.9 with Code GS1 | |
When unscrewing the hydraulic lines, support them against the angular sleeve. | |||
11 | Remove the telescopic rod (26) on the control lever, shrink and tie it | Engine 457.9, 460.9 with Code GS1 | |
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Installation: pay attention on the installation position of the bearing "Silentblock" (27), of the spacer sleeve (28) and of the washers (29). The recess (arrow) must face to the two washers (29) in direction of the bearing "Silentblock" (27). | |||
Engine 457.9, 460.9, transmission 715.5Telescopic control bar on the control lever | |||
MB high-temperature antifriction bearing grease, 150 g | |||
12 | Remove the hydraulic-pneumatic steering (HPS) line from the engine | Engine 457.9, 460.9 with Code GS3 | |
13 | Remove the turbocharger air hose (red) (9) and the turbocharger air hose (black) (10) | Installation: the red (9) and black (10) air hoses of turbocharger should not be confused. | |
Engine 460.9Charge air hose clamp on charge air pipe and cooler | |||
Engine 460.9Charge air pipe clamp on exhaust air turbocharger | |||
Motor 457Fastening of the clamps on the inlet and outlet flexible hoses | |||
14 | Loosen the oil refueling tube (12) from the cooler (1) and tie it at the engine | ||
15 | Detach the electrical wire (5) from the coolant level switch (B6) | ||
16 | Detach the electrical wire (5) from the expansion reservoir (2) and tie it at the engine | ||
17 | Remove the coolant hoses (6, 7, 8, 11, 17, 18) | ||
18 | Detach the transmission oil pipings (13) on the connection points (14) | Engine 457.9, 460.9 with Code N55 | |
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Collect the leaking exchange oil and close the openings with plugs. | |||
19 | Remove the screws from the cooler mounting bracket (15), on right and left sides | ||
20 | Install the assembly and dismantling device on the radiator (1) | ||
21 | Remove the cooler (1) together with the charge air cooler (16) by the upper side | ||
22 | Install in reverse order | ||
23 | Check the oil level in the gearbox. If necessary, fill up | Engine 457.9, 460.9 with Code N55 |