Mitsubishi 6M70 Workshop Manual page 49

Disassembly sequence
1 Nozzle bridge
2 Injector (See Gr13.)
3 O-ring
4 Nozzle tip gasket
5 Cylinder head bolt
6 Plate
7 O-ring
Assembly sequence
Follow the disassembly sequence in reverse.
CAUTION
• The cylinder head bolt is tightened within the plastic region. The number of punch marks indicates the
number of times the bolt has been tightened. If there are 3 punch marks (tightened 3 times in the past), re-
place the bolt.
Service standards (Unit: mm)
Location
9, 10 Clearance between idler shaft and idler gear bushing
11 Idler gear D end play
*
11, a Backlash between idler gear D and idler gear C
Mitsubishi 6M70 Tightening torque (Unit: N·m {kgf·m})
Mark
Bolt (nozzle bridge mounting)
Mitsubishi 6M70 Cylinder head bolt
Bolt (idler shaft mounting)
Lubricant and/or sealant
Mark
O-ring
Threaded of bolt
Outer periphery of idler shaft
Inside surface of idler gear bushing
Top mating surfaces of flywheel housing and crankcase
Mating surfaces of cylinder head on cylinder head gasket
top surface and timing gear case
Mating surfaces of cylinder head and timing gear case
Mitsubishi 6M70 Engine Parts contact:
email: EngineParts@HeavyEquipmentRestorationParts.com
Phone: 269 673 1638
8 Timing gear case
9 Idler shaft
10 Idler gear bushing
11 Idler gear D
12 Thrust plate
13 Cylinder head
(See later section.)
Maintenance item
Parts to be tightened
Points of application
14 6M70 Cylinder head gasket
* a: Idler gear C
* b: Flywheel housing
*
c: Crankcase
: Locating pin
: Non-reusable parts
Standard value
0.03 to 0.068
0.1 to 0.2
0.094 to 0.181
Tightening torque
54 {5.5}
180 NM {18 kgfm} 133 Ft Lbs
Plus + 90°
55 {5.5}
Specified lubricant and/or sealant
Engine oil
ThreeBond 1211
ThreeBond 1207C
11
Limit Remedy
0.2 Replace
0.4 Replace
0.35 Replace
Remarks
–
• Wet
• Can be reusable
up to 3 times
–
Quantity
As required
As required
As required
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