Remove/Install Poly-V-Belt Tensioning Device - AR13.25-P-3220W

Engine 276 in model 172 

Shown: engine 276.9 with an hydraulic power steering pump 

Fig 1: Poly-V-Belt Tensioning Device Components Location - Engine 276 In Model 172 (shown: Engine 276.9 With An Hydraulic Power Steering Pump)

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove poly-V belt and lock clamping device (1)		AR13.22-P-1202W
2	Remove screw/bolts on clamping device (1)	Screw/bolt, poly-V belt tensioning device to timing case cover	*BA13.25-P-1001-01X
3	Remove clamping device (1) upwards
4	Clamp clamping device (1) into vise	When replacing the clamping device (1).
5	Swivel clamping device (1) on hexagon (4) clockwise, remove drift (5) and detension clamping device (1)	When replacing the clamping device (1). : The clamping device (1) can only be installed when locked.
6	Install in the reverse order