Removing and Installing Drive Belt

Removing and installing drive belt

Removing drive belt
Removing drive belt

ATTENTION: Risk of damage!
^ If the drive belt is removed when it is hot, it may become deformed and damaged.
--> Never remove the drive belt when it is hot - let the engine cool down!

Note: If the drive belt is to be re-used, mark the rolling direction with chalk so that the belt can be re-installed later in the same rolling direction.

1. Remove front engine compartment cover.

Design Cover:

2. Pull the design cover vertically upwards and off.
3. Remove connecting tube from air cleaner to engine.

Rolling Direction Of Drive Belt:

4. Mark the rolling direction of the drive belt with chalk.

Relaxing The Belt Tensioner:

5. Slacken off the belt tensioner. To do this, screw an M8 x 50 screw into the belt tensioner. Do not turn the belt tensioner as far as the stop; only slacken the tensioner until the drive belt is loose.
6. Remove the drive belt from all pulleys.

Installing drive belt
Installing drive belt

Drive Belt Treading Course:

Note: The figure shows the complete belt threading course. The pulleys are numbered according to the sequence of fitting.

Crankshaft Gearwheel:

1. Place drive belt around the crankshaft gearwheel and bundle in left direction of travel.

Belt Treading Course At Coolant Pump:

2. Guide the top end of the belt around the coolant pump. Then, position the belt vertically (turn by 90°) and guide in behind the belt tensioner.

Belt Treading Course At Air-Conditioning Compressor:

3. Guide the lower end of the belt on the crankshaft gearwheel around the air-conditioning compressor and then around the hydraulic pump. Push the belt upwards from there.

Belt Treading Course At Generator:

4. Guide the drive belt over the drive roller of the generator and then pull a loop down around the deflection roller and lay into position.
5. Check that the drive belt is positioned correctly.
6. Fit connecting tube from air cleaner to engine.

Design Cover:

7. Fit the design cover.
8. Install front engine compartment cover.