Remove/install poly-V-belt for compressor - AR13.21-P-1202A

ENGINE 111.943 /973 in MODEL 170 

ENGINE 111.944 /975 in MODEL 202, 208 

ENGINE 111.947 in MODEL 210 

ENGINE 111.955 in MODEL 203 

Fig 1: Identifying Poly-V-Belt Remove/Install Components - Engine 111.944 /975

	Removing
1	Remove viscous fan clutch (26)	Vehicles fitted with viscous fan clutch Left-hand thread	AR20.40-P-5660A
2.1	Remove fan shroud	Vehicles with fan cowl	AR20.40-P-6800HA
2.2	Remove electric fan	Vehicles fitted with electric fan	AR20.40-P-5000PR
3	Loosen poly-V-belt (10)	Swivel tensioning arm (2) and tensioning pulley (3) in counterclockwise direction at stud bolt (4, external Torx E10) for this step. Do not swivel tensioning arm (2) against tensioning pulley the nut.	Fig 2
4	Remove poly-V-belt (10)
	Checking
5	Inspect belt pulley sections and tensioning device for damage and dirt.
6	Check poly-V-belt (10)
	Check poly-V-belt in visible area for wear		AP13.22-P-1352Z
	Install
7	Fit on poly-V-belt (10), then clamp	Do not use belt wax or any similar products. In numerical order of relevant running diagram, beginning at tensioning pulley ↓
		Routing diagram of poly-V-belt	AR13.21-P-3902-02A
		Poly-V-belt dimensions	*BE13.21-P-1001-01A
		The position marking (B) visible from the underside of the engine, must be positioned within the working range (A). If this is not the case, inspect length of poly-V-belt and also tensioning device	Fig 2
8.1	Install fan shroud	Vehicles with fan cowl	AR20.40-P-6800HA
8.2	Install electric fan	Vehicles fitted with electric fan	AR20.40-P-5000PR
9	Install viscous fan clutch (26)	Vehicles fitted with viscous fan clutch Left-hand thread	AR20.40-P-5660A

Fig 2: Identifying External Torx Set (001 589 76 09 00)