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Service Manual Mitsubishi L-Series diesel engines
ENGLISH
INJECTION NOZZLE
FUEL SYSTEM
22.4 Inspection
Never attempt to disassemble the pump unless it is
necessary.If the pump is assumed defective, it is
recommended to replace the pump assembly.
22.5 Assembly
1.
Insert the nozzle assembly into the retaining nut so
that the nozzle is correctly seated in the nut.
2.
Place the distance piece, retaining pin, pressure
spring and shim washer on the nozzle tip.
3.
Tighten the nozzle holder body fully by hand
4.
Grip the nozzle holder in a vise. Tighten the
retaining nut to the specified torque.
22.6 Adjustment
Adjust injection starting pressure by increasing or
decreasing the thickness of inserting shim washer.
Varying shim thickness by 0.1 mm [0.0039 in.] causes
injection start pressure to change 0.98 MPa
(10 kgf/
cm
2
) [142.3 psi].
Available shims:
10 kinds of shims available from 1.25 mm to 1.7 mm
[0.0492 to 0.0669 in.] in thickness, in increment of 0.05
mm [0.0020 in.].
Figure 98
Inspecting nozzle
Wear
Fatigue and break
Poor contact
Deformation
and break
While immersed in
kerosene, check for
smooth sliding.
Figure 99
Assembling the nozzle
Tightening torque:
34.3 to 39.2 N·m
(3.5 to 4.0 kgf·m)
[25.32 to 28.93 lbf·ft]
Tightening torque:
24.5 to 29.4 N·m
(2.5 to 3.0 kgf·m)
[18.08 to 21.70 lbf·ft]
Return pipe
CAUTION
If required, always replace the nozzle as a complete
assy.
Figure 100 Testing nozzle
Содержание L2
Страница 1: ...MITSUBISHI DIESEL ENGINE SERVICE MANUAL L2 L3 MODELS MITSUBISHI HEAVY INDUSTRIES LTD 08 2004 ...
Страница 11: ...10 155 Service Manual Mitsubishi L Series diesel engines Version 08 2004 ENGLISH ...
Страница 12: ...11 155 Service Manual Mitsubishi L Series diesel engines Version 08 2004 ENGLISH GENERAL ...
Страница 39: ...38 155 Service Manual Mitsubishi L Series diesel engines Version 08 2004 ENGLISH TROUBLESHOOTING GENERAL ...
Страница 40: ...39 155 Service Manual Mitsubishi L Series diesel engines Version 08 2004 ENGLISH ENGINE MAIN PARTS ...
Страница 82: ...81 155 Service Manual Mitsubishi L Series diesel engines Version 08 2004 ENGLISH LUBRICATION SYSTEM ...
Страница 86: ...85 155 Service Manual Mitsubishi L Series diesel engines Version 08 2004 ENGLISH FUEL SYSTEM ...
Страница 97: ...96 155 Service Manual Mitsubishi L Series diesel engines Version 08 2004 ENGLISH INJECTION NOZZLE FUEL SYSTEM ...
Страница 98: ...97 155 Service Manual Mitsubishi L Series diesel engines Version 08 2004 ENGLISH GOVERNOR SYSTEM ...
Страница 105: ...104 155 Service Manual Mitsubishi L Series diesel engines Version 08 2004 ENGLISH TORQUE SPRING GOVERNOR SYSTEM ...
Страница 106: ...105 155 Service Manual Mitsubishi L Series diesel engines Version 08 2004 ENGLISH COOLING SYSTEM ...
Страница 114: ...113 155 Service Manual Mitsubishi L Series diesel engines Version 08 2004 ENGLISH AIR CLEANER ...
Страница 117: ...116 155 Service Manual Mitsubishi L Series diesel engines Version 08 2004 ENGLISH AIR CLEANER AIR CLEANER ...
Страница 118: ...117 155 Service Manual Mitsubishi L Series diesel engines Version 08 2004 ENGLISH ELECTRICAL SYSTEM ...
Страница 143: ...142 155 Service Manual Mitsubishi L Series diesel engines Version 08 2004 ENGLISH GLOW TIMER SYSTEM ELECTRICAL SYSTEM ...
Страница 144: ...143 155 Service Manual Mitsubishi L Series diesel engines Version 08 2004 ENGLISH SERVICE DATA ...
Страница 156: ...155 155 Service Manual Mitsubishi L Series diesel engines Version 08 2004 ENGLISH 155 BLANK PAGE ...