Remove/install poly-V belt

AR13.22-D-1202SD

Remove/install poly-V belt

16.6.10

17.7.07

Remove V-belt for 2nd refrigerant compressor - added

Steps 2, 4, 9, 10



Removing

1

Lift/jack up vehicle

AR00.60-D-1000H

2.1

Detension and take off V-belt for 2nd refrigerant compressor

For model 906.6/7 with code (H08) High performance A/C or code (N63) Front engine power take-off with carrier for an additional A/C compressor

AR13.21-D-0160-01SD

2.2

Loosen V-belt for the additional ALT and remove

For model 906.6/7 with code (N62) Front engine power take-off with carrier for an additional ALT

AR15.40-D-5032SK

3

Loosen poly-V belt (1) and remove

 When carrying out further operations on the engine or timing case cover, relieve pressure on tensioning device.

AR13.22-S-3902-01SD



Pin for locking poly-V belt tensioning device

WF58.50-S-1325-02S



Checking

4

Check V-belt for 2nd refrigerant compressor or the additional ALT for wear and damage; replace if necessary

For model 906.6/7 with code (H08) High performance air conditioning or code (N62) Front engine power take-off with carrier for additional alternator or code (N63) Front engine power take-off with carrier for additional refrigerant compressor

5

Check poly-V belt (1) for damage and wear; replace if necessary

AR13.22-S-1351S

6

Check poly-V belt tensioning device and belt pulley for wear and damage

 Replace poly-V belt tensioning device and belt pulley in case of damage or wear.

See: 

Remove/install tensioner pulley for poly-V belt tensioning device

AR13.25-S-3250SD

Remove/install poly-V belt guide pulley

AR13.21-S-3350SD



Install

7

Install poly-V belt (1) as per routing diagram

AR13.22-S-3902-02S

8

Tension poly-V belt (1)

AR13.22-S-3902-04SD



Pin for locking poly-V belt tensioning device

WF58.50-S-1325-02S

9.1

Lay on and tension V-belt for 2nd refrigerant compressor

For model 906.6/7 with code (H08) High performance A/C or code (N63) Front engine power take-off with carrier for an additional A/C compressor

AR13.21-D-0160-01SD

Pretension of V-belt for 2nd refrigerant compressor

*BE13.22-N-1001-01E



*BA13.25-N-1008-01P

9.2

Lay V-belt for the additional ALT in place and tension

For model 906.6/7 with code (N62) Front engine power take-off with carrier for an additional ALT

AR15.40-D-5032SK

 Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

10

Carry out engine test run; check belt drive for correct running

Number

Designation

Engine 646.984/985/
986/989/990
in model 906
with code H08,
N62, N63

BE13.22-N-1001-01E

V-belt tension on
2nd refrigerant compressor/alternator

Measured on the tensioner pulley clamping lever

Nm

15

Number

Designation

Engine 646
in model 906
with code
H08, N62, N63

BA13.25-N-1008-01P

Bolt, tensioner pulley bracket to refrigerant compressor/alternator carrier

Nm

94