Remove/install poly-V-belt single tensioning device for fan drive

AR13.25-G-4010H

Remove/install poly-V-belt single tensioning device for fan drive

08.08.2018

Engine

470.9, 471.9, 473.9 in model 800.310/320

1

Poly-V-belt

2

Single tensioning device

3

Carrier

A

Pin

 Warning

Risk of injury caused by pinching or crushing when working on springs or spring bodies that are under tension

Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves.

AS00.00-Z-0001-01A

 

Remove/install

1

Slacken poly-V-belt (1) and remove from single tensioning device (2)

AR13.22-G-3902-05NA



Damage profiles for a poly-V belt

AP13.22-D-1351-01A

Belt drive routing diagram

AR13.20-G-1000-01H

 Installation: Check condition of poly-V-belt (1); replace if necessary.

2

Remove single tensioning device (2) from carrier (3)

 Installation: The pin (A) on the single tensioning device (2) must engage in the bore on the carrier (3).

 Bolt, clamping device to carrier

*BA13.25-N-1001-01U

3

Install in the reverse order

 Clamping device of belt drive

Number

Designation

Engine 470.9

Engine 471.9

BA13.25-N-1001-01U

Bolt, clamping device to carrier

M10

Nm

60

60

 Clamping device of belt drive

Number

Designation

Engine 473.9

BA13.25-N-1001-01U

Bolt, clamping device to carrier

M10

Nm

60