AR03.30-W-1600C | Remove/install belt pulley/vibration damper | 3.4.07 |
ENGINE 457.9 in MODEL 374, 375, 940, 942, 943, 944, 958
W03.30-1041-08
1 Poly-V belt for fan
2 Cover
5 Belt pulley/vibration damper
6 Splash ring
3 Belt pulley for fan drive
4 Poly-V belt for alternator
W03.30-1024-02
Shown on removed fan wheel on engine without code (MZ5) Electromagnetic fan drive (Linnig clutch)
7 Poly-V belt tensioning device for fan
8 Bracket
9 Pulley
Arrow Screwing
Modification notes
| Remove/install | ||
Danger! | Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under load | Use only approved tensioning devices; shield off hazard area if necessary. | |
| Notes on self-locking nuts and bolts | ||
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. | |
1 | Tilt cab | ||
| Notes on tilting the cab | ||
2 | Release tension on poly-V belt for fan (1) and take it off from tensioner pulley for poly-V belt tensioning device for fan (7) | Installation: Inspect condition of poly-V belt of fan (1), replace if necessary. | |
Routing diagram of poly-V belt | |||
| Damage patterns of poly-V belt | ||
3 | Release tension on poly-V belt of alternator (4) and take it off from the belt pulley of the alternator and the guide pulley (9) | Installation: Inspect condition of poly-V belt of alternator (4), replace if necessary. | |
Routing diagram of poly-V belt | |||
| Damage patterns of poly-V belt | ||
4 | Loosen the bolts (arrows) at the bracket (8) for fan drive | Do not unscrew bolts (arrows). | |
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5 | Press fan wheel with bracket (8) upwards in direction of the engine and attach with cable tie to the front lifting eye on the engine | ||
6 | Remove soundproofing on frame below | ||
7 | Detach oil filler line at oil pan and fan surround | ||
8 | Remove cover (2) for belt pulley on fan drive (3) | ||
9 | Attach rotating device to timing case | ||
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10 | Block flywheel using turning device | ||
11 | Detach belt pulley for fan drive (3) from belt pulley/vibration damper (5) | | |
12 | Take off belt pulley / vibration damper (5) | | |
13 | Check belt pulley/vibration damper (5) and all belt pulleys, tensioner pulleys and guide pulleys for driven component for damage and concentricity; replace if necessary | ||
14 | Remove slinger (6) | Installation: Installation position must be observed. The slinger (6) must be installed with the flat side towards belt pulley/vibration damper (5). | |
15 | Install in the reverse order |
Timing case
Number | Designation | Engine 457.9 | |
BA01.60-N-1001-01M | Bolt connecting inspection hole cover to timing case | Nm | 25 |
BA01.60-N-1003-01M | Bolt, turning device to timing case | Nm | 25 |
Flywheel, driven plate, vibration damper, starter ring gear
Number | Designation | Engine | ||
BA03.30-N-1002-01F | Bolt, vibration damper to crankshaft | Nm | 200 | |
BA03.30-N-1005-01F | Bolt, belt pulley of the fan drive to vibration damper | Nm | 30 | |
Fan, fan clutch
Number | Designation | Engine | Engine | |
BA20.40-N-1004-01L | Fan drive holder on camshaft sprocket/cylinder crankcase cover | Nm | 60 | 60 |
Cranking device
904 589 04 63 00