Remove/install chain tensioner · ar0510d7800a · Mercedes-Benz WIS

AR05.10-D-7800A

Remove/install chain tensioner

14.3.96

ENGINE 601.943, 602.980 in MODEL 901, 902, 903, 904

D05.10-0014-06

1 Chain tensioner

2 Sealing ring

P05.10-0004-04

225 Screw plug

226 Aluminium gasket A2530

227 Ball 5 mm 

228 Ball guide

229 Compression spring

230 Compression spring

231 Valve disk

232 O-ring

233 Pressure pin

233a Filler piece

234 Compression spring

235 Housing

236 Snap ring B16

a Feed bore from the cylinder head

b to the oil pan

Fig. item, etc.	Work instructions
2	Remove chain tensioner complete	 Installation:  Replace the entire chain tensioner. Replace sealing ring (2). 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 at 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.
			*BA05.10-N-1001-01B

 Timing chain drive

Number	Designation		Engine 601.943	Engine 602.980


BA05.10-N-1001-01B	Chain tensioner in cylinder head	Nm	80	80