S-107
J SERIES, WSM
ENGINE
Nozzle Spraying Condition
1. Set the injection nozzle to a nozzle tester (Code No. 07909-
31361), and check the nozzle spraying condition.
2. If the spraying condition is defective, replace the nozzle piece.
W10411400
Valve Seat Tightness
1. Set the injection nozzle to a nozzle tester (Code No. 07909-
31361).
2. Raise the fuel pressure, and keep at 12.7 MPa (130 kgf/cm
2
,
1850 psi) for 10 seconds.
3. If any fuel leak is found, replace the nozzle piece.
W10412730
(2) Disassembling and Assembling
(A) Injection Nozzle
Nozzle Holder
1. Secure the nozzle retaining nut (7) with a vise.
2. Remove the nozzle holder (1), and take out parts inside.
(When reassembling)
• Assemble the nozzle in clean fuel oil.
• Install the push rod (4), noting its direction.
• After assembling the nozzle, be sure to adjust the fuel injection
pressure.
W10415210
(a) Good (b)
Bad
Valve seat tightness
Factory spec.
No fuel leak at
12.7 MPa
130 kgf/cm
2
1850 psi
Tightening torque
Nozzle holder
34.3 to 39.2 N·m
3.5 to 4.0 kgf·m
25.3 to 28.9 ft-lbs
Overflow pipe nut
19.6 to 24.5 N·m
2.0 to 2.5 kgf·m
14.5 to 18.1 ft-lbs
Nozzle holder assembly
49.0 to 68.6 N·m
5.0 to 7.0 kgf·m
36.2 to 50.6 ft-lbs
(1) Nozzle Holder
(2) Adjusting Washer
(3) Nozzle Spring
(4) Push Rod
(5) Distance Piece
(6) Nozzle Piece
(7) Nozzle Retaining Nut
KiSC issued 10, 2016 A
Содержание J106-AUS
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