S-105
J SERIES, WSM
ENGINE
[4] FUEL SYSTEM
(1) Checking and Adjusting
(A) Injection Pump
Injection Timing
1. Remove the injection pipes.
2. Set the speed control lever to the maximum fuel discharge
position.
3. Turn the flywheel counterclockwise (facing the flywheel) until fuel
flows from the delivery valve holder.
4. Continue to turn the flywheel slowly, and stop it as soon as the
fuel level at the tip of the delivery valve holder begins to increase.
5. Check to see if the timing angle lines on the flywheel is aligned
with the alignment mark (2).
6. If the injection timing is out of adjustment, readjust the timing with
shims (3).
NOTE
• The sealant is applied to both sides of the shim (soft metal
gasket shim). The liquid gasket is not required for
assembling.
• Shims are available in thickness of 0.20 mm (0.0079 in.), 0.25
mm (0.0098 in.) and 0.30 mm (0.0118 in.). Combine these
shims for adjustments.
• Addition or reduction of shim (0.05 mm, 0.0020 in.) delays or
advances the injection timing by approx. 0.0087 rad. (0.5
).
• In disassembling and replacing the injection pump, be sure
to use the same number of new shims with the same
thickness.
• Refer to figure below to check the thickness of the shims.
(Reference)
• The alignment mark (2) of the injection timing line (1) is not in
alignment with the center of the timing window.
• The above mark (2) comes aligned with the center of the flywheel
housing rib.
W10397720
Fuel Tightness of Pump Element
1. Remove the injection pipes and glow plugs.
2. Install the injection pump pressure tester to the injection pump.
3. Set the speed control lever to the maximum speed position.
4. Turn the flywheel ten times or more to increase the pressure.
5. If the pressure can not reach the allowable limit, replace the
pump element or injection pump assembly.
W10401760
Injection timing
Factory
spec.
Z482
0.36 to 0.40 rad.
(20.5 to 22.5
) before
T.D.C.
D722
0.35 to 0.39 rad.
(20 to 22
) before T.D.C.
D1005
V1305
0.37 to 0.41 rad.
(21 to 23
) before T.D.C.
(1) Timing
(2) Alignment Mark
(3) Shim (Soft Metal Gasket Shim)
(4) Two-holes : 0.20 mm (0.0079 in.)
(5) One-hole : 0.25 mm (0.0098 in.)
(6) Without hole : 0.30 mm (0.0118 in.)
Fuel tightness of pump
element
Allowable limit
14.7 MPa
150 kgf/cm
2
2130 psi
KiSC issued 10, 2016 A
Summary of Contents for J106-AUS
Page 1: ...WORKSHOP MANUAL DIESEL GENERATOR J SERIES KiSC issued 10 2016 A ...
Page 20: ...M 7 GENERATOR J SERIES WSM 3 Flow Chart KiSC issued 10 2016 A ...
Page 21: ...M 8 J SERIES WSM GENERATOR W1012333 KiSC issued 10 2016 A ...
Page 23: ...M 10 J SERIES WSM GENERATOR 5 WIRING DIAGRAM KiSC issued 10 2016 A ...
Page 24: ...M 11 GENERATOR J SERIES WSM KiSC issued 10 2016 A ...
Page 25: ...M 12 J SERIES WSM GENERATOR KiSC issued 10 2016 A ...
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Page 54: ...S 8 J SERIES WSM GENERAL D Engine Circuit Troubleshooting Z482 D722 KiSC issued 10 2016 A ...
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Page 59: ...S 13 J SERIES WSM GENERAL E Engine Circuit Troubleshooting D1005 V1305 KiSC issued 10 2016 A ...
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