Adjusting Injection Nozzle; Checking Battery Voltage - Kubota WSM 05-E4B Series Workshop Manual

SERVICING
4. Checking and adjusting
1. Set the injection nozzle to the nozzle tester.
2. Raise the fuel pressure, and keep at specified
pressure for 10 seconds.
NOTE
• If any fuel leak is found, replace the nozzle
piece.
Valve seat tight- Service specifi-
ness cation

4.15 Adjusting injection nozzle

1. Secure the nozzle retaining nut (7) with a vise.
2. Remove the nozzle holder (1).
3. Remove the inside parts.
(1) Nozzle holder
(2) Adjusting washer
(3) Nozzle spring
(4) Push rod
05-E4B SERIES,05-E4BG SERIES
No fuel leak at
12.75 MPa
2
130.0 kgf/cm
1849 psi
(5) Distance piece
(6) Nozzle piece
(7) Nozzle retaining nut
(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.
Nozzle holder
Tightening tor- Overflow pipe re-
que taining nut
Nozzle holder as-
sembly

4.16 Checking battery voltage

CAUTION
• To prevent an accidental short circuit, attach
the positive cable to the positive terminal before
the negative cable is attached to the negative
terminal.
• Do not remove the battery cap while the engine
operates.
• Keep electrolyte away from eyes, hands and
clothes.
If you are spattered with it, clean with water
immediately.
• Keep open sparks and flames away from the
battery at all times.
Hydrogen gas mixed with oxygen becomes very
explosive.
IMPORTANT
• Do not disconnect or remove the battery when
you operate engine.
Tools required
• Circuit tester
1. Stop the engine.
4. ENGINE
35 to 39 N⋅m
3.5 to 4.0 kgf⋅m
26 to 28 lbf⋅ft
35 to 39 N⋅m
3.5 to 4.0 kgf⋅m
26 to 28 lbf⋅ft
49 to 68 N⋅m
5.0 to 7.0 kgf⋅m
37 to 50 lbf⋅ft
4-25
KiSC issued 03, 2023 A