AR20.40-W-5616BA | Remove/install electromagnetic fan clutch | 31.7.07 |
ENGINE 457.9 in MODEL 374, 375, 940, 942, 943, 944, 958 with CODE (MZ3) Electromagnetic viscous coupling for fan
W20.40-1116-09
Without code (HH1) Warm water auxiliary heater "Eberspächer D5W S"
1 Radiator with charge air cooler
2 Coolant expansion reservoir
3 Coolant hose
4 Charge air hose (red)
5 Coolant hose
11 Oil filler line at the front
12 Radiator mounting
13 Charge air hose (black)
23 Electrical connector
6 Coolant hose
7 Electromagnetic fan clutch
8 Fan
9 Belt pulley on fan
10 Coolant hose
W20.40-1117-09
with code (HH1) Warm water auxiliary heater "Eberspächer D5W S"
1 Radiator with charge air cooler
2 Coolant expansion reservoir
4 Charge air hose (red)
5 Coolant hose
8 Fan
13 Charge air hose (black)
19 Electrical line
20 Coolant hose
21 Bracket
22 Clip
23 Electrical connector
14 Coolant lines
15 Retaining clip
16 Coolant hose
17 Coolant hoses
18 Coolant hose
| 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. | |
| Notes on coolant | ||
| Notes on self-locking nuts and bolts | ||
1 | Switch off ignition | ||
2 | Remove soundproofing on frame below | ||
3 | Drain coolant on radiator with charge air cooler (1) | ||
4 | Detach bottom coolant hose (10) on radiator with charge air cooler (1) | Collect escaping coolant in a clean vessel. | |
5 | Detach front oil filler line (11) at oil pan | Installation: Check sealing ring, replace oil filler line (11) if necessary. | |
Danger! | Risk of injury caused by body parts being pinched or crushed as cab is tilted | Ensure that no one is within tilting range of cab as it is being tilted. Always tilt cab all the way to end position and secure with safety strut. | |
6 | Tilt cab | ||
| Notes on tilting the cab | ||
7 | Remove soundproofing on frame above on the right | ||
8 | Remove charge air hoses (4, 13) | Installation: The charge air hose (red) (4) and charge air hose (black) (13) must not be interchanged. | |
| |||
9 | Remove electrical line (19) on coolant expansion reservoir (2) and on coolant hose (3 or 18) | ||
10 | Remove coolant hose (3 or 18) on radiator with charge air cooler (1) | ||
11 | Remove both coolant hoses (17) on coolant lines (14) | Only for vehicles fitted with code (HH1) "Eberspächer" warm water auxiliary heater D5W S" | |
12 | Remove coolant hose (16) on coolant expansion reservoir (2) | ||
13.1 | Remove coolant hose (6) on coolant expansion reservoir (2) | Vehicles without code (HH1) Warm water auxiliary heater "Eberspächer D5W S" | |
13.2 | Detach coolant hose (20) at coolant line (14) | Vehicles with code (HH1) Warm water auxiliary heater "Eberspächer D5W S" | |
14 | Remove coolant hose (5) on coolant outlet fitting and radiator with charge air cooler (1) | ||
15 | Remove clamp (22) on holder (21) | ||
16 | Disconnect electrical connector (23) | ||
17 | Remove nut on retaining bracket (15) for radiator bearing on the right and remove retaining bracket (15) | Installation: Be sure to note position of the retaining bracket (15). | |
18 | Remove bolts at radiator mounting (12) on the left | ||
19 | Push radiator with charge air cooler (1) to the front | Do not damage lines and detachable parts. | |
20 | Remove electromagnetic fan clutch (7) with fan (8) on the fan belt pulley (9) and lift out upwards | | |
21 | Remove electromagnetic fan clutch (7) from fan (8) | Only if electromagnetic fan clutch (7) or fan (8) was replaced. | |
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22 | Install in the reverse order |
Charge air pipe/charge air cooling
Number | Designation | Engine | ||
BA09.41-N-1001-01K | Clamp, charge air hose to charge air housing/charge air pipe and charge air cooler | Nm | 7.5 | |
Fan, fan clutch