Remove/install intermediate gear of high-pressure pump · ar0510d4650a · Mercedes-Benz WIS

AR05.10-D-4650A

Remove/install intermediate gear of high-pressure pump

27.10.09

ENGINES 611.981 /987 in MODEL 901.6, 902.6, 903.6, 904.6

ENGINES 612.981 in MODEL 902.6, 903.6, 904.6, 905.6

ENGINES 611.983 in MODEL 690.6

D05.10-1101-06

1 High pressure pump intermediate gear

2 Bush

3 Screw

4 High-pressure pump

5 Camshaft sprocket

6 Dowel pin

7 Bolts

8 Slide rail

9 Front cover

10 Cylinder head cover

11 Exhaust camshaft

12 Intake camshaft

13 Driver

14  Retaining pin

A Bore

	Removing
1	Remove cylinder head cover (10)		AR01.20-D-5014E
2	Position piston of cylinder 1 to ignition TDC	 Rotate engine at crankshaft in clockwise direction. Do not crank engine at camshaft and do not crank back
3	Lock intake camshaft (12) in place		*111589031500
		 Insert retaining pin (14) at 1st camshaft bearing cap into the hole (A) in intake camshaft sprocket
4	Remove front cover (9) at cylinder head		AR01.30-D-5700D
5	Unscrew driver (13) at the intake camshaft, take off slide rails (8)	17 mm hexagon socket 3/8 inch square
			*BA05.20-P-1002-01F
6	Remove high-pressure pump (4)		AR07.02-D-1020A
7	Mark camshaft sprocket (5) relative to timing chain
8	Detach camshaft sprocket (5) at the exhaust camshaft (11) and take off with timing chain fitted on.	 Counter-hold exhaust camshaft, if necessary, with open-end wrench. Pay attention to dowel pin (6). Secure timing chain to prevent it dropping down after removing the camshaft sprocket
		 Installation: Replace bolts (7)
			*BA05.10-P-1003-01A
9	Unscrew bolt (3) at intermediate gear of high pressure pump (1)		*BA05.10-P-1005-01A
10	Take intermediate gear of high pressure pump (1) together with liner (2) up and out through the timing chain shaft
11	Install in the reverse order
		 Installation: Check basic position of camshafts, after testing if necessary 	AR05.20-D-6010D
		Correct basic position of camshafts	AR05.20-D-6025D

 Timing chain, chain tensioner

Number	Designation		Engine 611.981/ 983/987	Engine 612.981/ 990


BA05.10-P-1003-01A	Bolt, camshaft sprocket to exhaust camshaft	Nm	18	18
BA05.10-P-1005-01A	Bolt, intermediate gear of high pressure pump to cylinder head	Nm	40	40

 Camshaft

Number	Designation		Engine 611.960/961/962/980/ 981/983/987 612.961/962/963/965/ 966/967/981/990 613.960/961


BA05.20-P-1002-01F	Bolt, driver to inlet camshaft	Nm	50

Retaining pins

111 589 03 15 00