Remove/install belt drive components - AR13.20-P-0001LFA

ENGINE 276.8 in MODEL 217, 222 

Shown on engine 276.8 without code ME05 (HD 80KW-variants (INCLUDING PLUGIN)) 

Fig 1: Belt Drive Remove/Install Components - Shown On Engine 276.8 Without Code ME05

Courtesy of MERCEDES-BENZ USA

	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	Remove upper engine cover
2	Detach charge air cooler and pull with attached coolant lines to the front		AR09.41-P-6819LFA
3	Slacken poly-V belt and remove	Routing diagram for poly-V belt Do not use belt wax or similar products. This can lead to slipping of the poly-V belt. Pay attention to poly-V belt routing diagram. Swivel clamping device (1) at hexagon (2) counterclockwise, remove poly-V belt and detension clamping device (1).	AR13.22-P-3902-02MM
	Check
4	Check belt pulley profile and clamping device (1) for damage, wear and soiling and, if necessary, clean or replace
5	Check guide pulleys (4, 5) for damage, wear and soiling and, if necessary, clean or install new	Engine 276.8 in model 222 (except 222.163)
6	Check poly-V belt for damage, wear, check for soiling and clean or replace if necessary
		Engine 276.8 in model 217, 222 (except 222.163)	AP13.22-P-1352EW
7	Lock clamping device (1)	Swivel clamping device (1) at hexagon (2) counterclockwise and lock in place using drift (3).
8	Remove screw/bolts on clamping device (1)	Screw/bolt, poly-V belt tensioning device to timing case cover	*BA13.25-P-1001-01X
9	Remove clamping device (1) upwards
10	Slacken clamping device (1)	When replacing the clamping device (1). The clamping device (1) can only be installed when locked.
		Clamp tensioning device (1) in a vise, swivel at hexagon (2) counterclockwise, pull out drift (3) and slacken tensioning device (1).
11	Remove screw/bolts for guide pulleys (4, 5)	Screw/bolt, guide pulley to carrier	*BA13.25-P-1003-01X
		Screw/bolt, guide pulley to coolant pump	*BA13.25-P-1004-01X
12	Remove guide pulleys (4, 5)
13	Install in the reverse order