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Removing and installing injection pump - AR07.12-P-8410H

ENGINE 605.910 /912 /960 /962, 606.912 /961 /962 /964 

Fig 1: Identifying Injection Pump Components
G04624207Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 2: Identifying Injection Pump Components
G04624208Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
REMOVINGINSTALLING Removing, installing     
1 Disconnect ground cable at battery NOTESRisk of short circuit at starter when installing and removing injection pump  AR54.10-P-0003A
2.1 Remove intake manifold Engine 605.91 AR09.20-P-1310H
3.1 Remove charge air distribution pipe Engine 605.960/962 AR09.41-P-1310H
    Engine 606.961/962/964 AR09.41-P-1310HA
4.1 Remove resonance intake manifold Engine 606.912 AR09.20-P-1984H
5 Remove injection lines   AR07.12-P-9230H 
6 Remove vacuum pump   AR43.05-P-1320A
7 Install centering sleeve (022) SPECIAL TOOL Figure
8 Slacken central securing bolt (40/3) TORQUE SPECIFICATIONIMPORTANT Left-hand thread *BA07.02-P-1002-01A 
8 Slacken central securing bolt (40/3) TORQUE SPECIFICATIONIMPORTANT Left-hand thread *BA07.02-P-1002-01A 
9 Rotate crankshaft in direction of rotation to 14 + ° 0.5° (arrow) after ignition TDC of cylinder 1 IMPORTANT Open oil filler cover for this step. Continue rotating crankshaft until marking (chisel punch point see ill.) on inlet camshaft sprocket is visible through oil filler opening. Rotate crankshaft further in direction of rotation until 14 ° + 0.5 ° after ignition TDC of cylinder 1.  
    SPECIAL TOOL Fig 6
10 Unscrew central securing bolt (40/3)    
11 Remove chain tensioner   AR05.10-P-7800HA
12 Unplug socket of injection pump (Y23/1) at plug connection Press in lug at socket for this step, unplug socket  
13 Unbolt engine wiring harness (1) at oil filter housing    
14 Unplug connector at electronic IFI shutoff (Y1/1)    
15 Detach fuel lines (arrows) at the injection pump IMPORTANTInstallation:  inspect O-rings and seals, replace if necessary  
16 Unscrew bolt (10/3) TORQUE SPECIFICATION *BA07.02-P-1003-01A 
17 Unscrew bolts (10/1) TORQUE SPECIFICATION Hold four-point nuts (10/2) tight *BA07.02-P-1004-01A 
18 Slacken bolt (30/1) of start of delivery setting device    
19 Remove injection pump (10) IMPORTANTRemoval:  counterhold injection timing device for this step
IMPORTANTInstallation:  remove screw plug (10/5). Turn injection pump with serrated wrench 027 and block with blocking bolt (023).
The injection pump is at 14° + 0.5 ° after ignition TDC if the pin of the blocking bolt engages in the cam in the injection pump. Pin is pressed out.
Check whether the engine is at 14 ° + 0.5 ° after ignition TDC of cylinder 1 (see ill.); correct if necessary. Crank engine only in direction of rotation.
NOTES Remove blocking bolt (023) after installing the injection pump otherwise the injection pump will be damaged when starting
 
    TORQUE SPECIFICATION Screw plug (10/5) *BA07.02-P-1005-01A 
    SPECIAL TOOL Fig 4
    SPECIAL TOOL Fig 5
20 Replace O-rings (10/4) IMPORTANTInstallation:  oil O-ring (10/4) before installing injection pump  
21 Install in the reverse order    
22 Inspect start of delivery   dh0b04p100041x
23 Set start of delivery   dh0b05p100043x
TORQUE SPECIFICATION Injection pump, unit pump, high pressure pump

Number Designation Engine 605 Engine 606
BA07.02-P-1002-01A Central bolt for attaching injection pump Nm 45 45
BA07.02-P-1003-01A Bolt of injection pump bracket at rear to engine block Nm 25 25
BA07.02-P-1004-01A Bolt of injection pump front M8 Nm 25 25
BA07.02-P-1005-01A Screw plug to governor housing Nm 30 30
Fig 3: Identifying Centering Sleeve (601 589 05 14 00)
G04624209Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 4: Identifying Serrated Wrench (601 589 00 08 00)
G04624210Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 5: Identifying Blocking Bolt (601 589 05 21 00)
G04624211Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 6: Identifying Wrench Bit (001 589 65 09 00)
G04624212Courtesy of MERCEDES-BENZ OF NORTH AMERICA.