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Remove/Install Glow Plugs - Ar15.20-D-4111TSV

Engine 642 in model 907 

Shown on removed engine 

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WARNING Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
WARNING Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
  Notes for ceramic glow plugs   AH15.20-P-0001-01A 
REMOVINGINSTALLING Remove/install     
1 Bring coolant temperature to approx.80 °C.    
2 Switch off engine.    
3 Remove trim of left cylinder head cover.   AR01.20-D-5018TSV
4 Remove trim of right cylinder head cover.   AR01.20-D-5017TSV
5 Remove cable duct (2) of left cylinder head cover from charge-air distributor and push to side.    
6 Disconnect electrical connectors of glow plugs (1). SPECIAL TOOL Pliers Fig 1
7 Remove glow plugs (1). TORQUE SPECIFICATION Glow plug to cylinder head *BA15.20-N-1001-02TS 
    SPECIAL TOOL Wrench socket Fig 3
    If the loosening torque is > 25 Nm:

Heat working area on cylinder head with suitable heater.
If a glow plug (1) breaks off:

Drill out broken off glow plug (1).
AR15.20-D-4112TSV 
CLEANING Clean     
8 Clean glow plug wells. SPECIAL TOOL Cylinder brush Fig 2
9 Install in the reverse order.    
TORQUE SPECIFICATION PREGLOW SYSTEM

Number Designation Engine 642 in model 907
BA15.20-N-1001-02TS Glow plug to cylinder head M8 Nm 11
M10 Nm -
Fig 1: Pliers (611 589 00 37 00)
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Fig 2: Cylinder Brush (000 589 10 68 00)
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Fig 3: Wrench Socket (001 589 80 09 00)
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