Removing/installing the chain tensioner - AR05.10-P-7800HA

ENGINES 605, 606 in MODEL 124 

ENGINE 606.961 in MODEL 140 

ENGINES 604, 605 in MODEL 202 

ENGINES 602.982, 604, 605, 606.912 /962 in MODEL 210 

ENGINE 602.983 in MODEL 461 

ENGINE 606.964 in MODEL 463 

Fig 1: Identifying Chain Tensioner Components (1 Of 2)

Fig 2: Identifying Chain Tensioner Components (2 Of 2)

Figure item, etc.	Work instructions
1	Position piston of cylinder 1 to ignition TDC	Rotate engine at crankshaft. Do not crank engine backwards.
7	Chain tensioner	Remove chain tensioner completely. Installation:  Only replace the chain tensioner as a complete unit. Replace sealing ring (8). Before installing, fill chain tensioner with engine oil. Position chain tensioner with thrust pin facing down in engine oil until it is over the collar on the hexagon. Use a press or column drill to slowly depress thrust pin fully 7-10 times. After filling, it must be possible to compress the chain tensioner only quite slowly, evenly and with considerable force.
		Engines 604, 605, 606	*BA05.10-P-1002-01A
		Engines 602.982/983	*BA05.10-N-1001-01B