Kubota WG972-E2 Workshop Manual page 91

WG972-E2, DF972-E2, WSM
Carburetor (WG972-E2)
Dual Fuel Carburetor (DF972-E2)
The carburetor is tamper resistant; the idle mixture screw has
been covered by tamper plug after adjustment at the factory.
(1) Tamper Resistance
Replacement of Altitude Compensation Kit (Main Jet and Pilot
Jet)
1. Remove the carburetor.
2. Loosen the drain screw (3) to let fuel out.
3. Remove the gasoline solenoid (6).
4. Remove the main jet (5).
5. Install the high-altitude kit's main jet onto the carburetor.
6. Tighten the throttle adjust screw (4) and remove the screw (1).
7. Replace the existing pilot jet (2) with the high-altitude kit's pilot jet.
8. Install the gasoline solenoid (6).
9. Install the carburetor in place.
10.Readjust the governor.
11.Adjust the engine speed.
■
NOTE
• After install the carburetor, the adjustment of governor and
engine speed are executed.
• Prepare a screwdriver that fits the main jet / pilot jet screws
in order not to damage the main jet and pilot jet.
• Replace the air cleaner packing and the carburetor packing
with new ones.
• Make sure there is no leak at the air cleaner packing and the
carburetor packing.
■
IMPORTANT
• Keep the carburetor inner parts which is removed from
standard carburetor.
Carburetor mounting nut
Gasoline solenoid
Tightening torque
Main jet
Pilot jet
(1) Pilot Screw
(2) Pilot Jet
(3) Drain Screw
S-21
GASOLINE / LPG ENGINE
W1017786
23.5 to 27.5 N·m
2.4 to 2.8 kgf·m
17.4 to 20.2 ft-lbs
7.8 to 11.7 N·m
0.8 to 1.2 kgf·m
5.8 to 8.7 ft-lbs
1.0 to 2.9 N·m
0.1 to 0.29 kgf·m
5.0 to 15.2 ft-lbs
1.0 to 3.9 N·m
0.1 to 0.40 kgf·m
5.0 to 20.5 ft-lbs
(4) Throttle Adjust Screw
(5) Main Jet
(6) Gasoline Solenoid
W1018491
KiSC issued 01, 2006 A