Remove/install poly-V belt

AR13.22-S-1202PD

Remove/install poly-V belt

14.11.2016

Model

470, 471 with engine 699

1

Poly-V-belt

2

Tensioning device

3

Screw

4

Holes

5

Pin

6

Cutout



Remove

1

Remove poly-V belt of refrigerant compressor

AR13.21-S-0161PD

2

Loosen the poly-V belt (1)


Do not turn at screw/bolt (3).
Otherwise, tensioning device (2) can be damaged.

 To do this, turn tensioning device (2) clockwise with suitable tool at cutout (6) (arrow).

3

Lock tensioning device (2)



Pin for locking poly-V belt tensioning device

WF58.50-S-1325-02P

 To do this, align holes (4), and lock tensioning device (2) with pin (5).

4

Remove the poly-V belt (1)



Check

5

Check profiles of belt pulleys for damage

Depending on findings



Replace affected components.



Install

6

Replace clamping device (2).

AR13.25-S-3220PD

 A new pin (5) is included in scope of supply of tensioning device (2).

7

Replace poly-V belt guide pulley

AR13.21-S-3350PD

8

Install new poly-V belt (1)

AR13.22-S-3902-02PD


Make sure poly-V belt (1) is seated correctly on belt pulleys, tensioner pulley of tensioning device and poly-V belt guide pulley.
This prevents damage.


Belt pulleys, tensioner pulley of tensioning device and poly-V belt guide pulley must be clean and free of grease.
This prevents damage and malfunctions.


Do not use belt wax or similar products.
This avoids malfunctions.

 Observe routing diagram of poly-V belt (1).

9

Tension poly-V belt (1)


Do not turn at screw/bolt (3).
Otherwise, tensioning device (2) can be damaged.

 To do this, turn tensioning device (2) clockwise with suitable tool at cutout (6) (arrow), and remove pin (5).

10

Install poly-V belt of A/C compressor

AR13.21-S-0161PD