Replace V-ribbed belt

AP13.22-D-1381A

20.7.10

ENGINE 104.900, 111.948 /978, 601.942 /970 in MODEL 638 (except 638.09 /19 /29)

ENGINE 111.979 /984, 601.943, 602.980 in MODEL 901, 902, 903, 904

N13.22-2075-11

Belt drive (example)

	Removing
1	Remove air filter housing	Only on model 638.2, with engine 104.900 Model 638 with engine 601.942/970
		Model 638.2 with engine 104.900	AR09.10-S-1150C
		Model 638 with engine 601.942/970	AR09.10-S-1150B
2	Remove bottom section of soundproofing from right wheel arch	Only on model 638 with engine 111.948/978	AR94.30-S-5300A
3	Slacken poly V-blet	Engine 104.900	AP13.22-S-1381-01A
		Engine 111.948/978/979/984	AP13.22-D-1381-01A
		Engine 601.942/943/ 970, 602.980	AP13.22-D-1381-01B
4	Take off poly-V belt
	Checking
5	Check belt pulleys and clamping device	 Check belt pulley profile and clamping device for signs of damage and soiling, if necessary replace belt pulleys or clamping device.
	Install
6	Fit poly-V belt according to poly-V belt routing diagram	 Fit on poly V-belt, beginning at the tensioner pulley. Observe poly-V belt routing diagram while doing so: 
		Poly-V-belt running diagram
		Engine 104.900, 111.948/978/979/984	AP13.22-S-1381-02A
		Engine 601.942/943/ 970, 602.980	AP13.22-D-1381-02B
7	Tension poly V-belt	Engine 104.900	AP13.22-S-1381-01A
		Engine 111.948/978/979/984	AP13.22-D-1381-01A
		Engine 601.942/943/ 970, 602.980	AP13.22-D-1381-01B
		Bolt, belt tensioner to cylinder head	*BA13.25-N-1001-01F
		Spring clamp lever on cylinder head	*BA13.25-N-1005-01B
		 Belt tensioning pulley to belt tensioner	*BA13.25-N-1002-01A
8	Install air filter housing	Only on model 638.2, with engine 104.900 Model 638 with engine 601.942/970
		Model 638.2 with engine 104.900	AR09.10-S-1150C
		Model 638 with engine 601.942/970	AR09.10-S-1150B
9	Install bottom section of soundproofing into right wheel arch	Only on model 638 with engine 111.948/978	AR94.30-S-5300A
10	Confirm replacement of poly-V belt in maintenance booklet

 Belt tensioning device

Number	Designation		Engine 601.942/ 970	Engine 601.943	Engine 602.980


BA13.25-N-1005-01B	Spring clamp lever on cylinder head	Nm	21	21	21

 Belt tensioning device

Number	Designation		Engine 104.900


BA13.25-N-1001-01F	Bolt, belt tensioner to cylinder head	Nm	23

 Belt tensioning device

Number	Designation		Engine 111.948/ 950/978/ 980	Engine 111.979/ 984


BA13.25-N-1002-01A	Belt tensioning pulley to belt tensioner	Nm	20	20

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