Honda GX270H Manual page 74

62Z7B000.book 11 ページ ２０１２年９月２７日 木曜日 午前１０時２１分
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CARBURETOR DISASSEMBLY/
ASSEMBLY
DUAL/DUAL SILENT/CYCLONE/OIL
BATH/SEMI DRY TYPE AIR CLEANER:
Gasoline is highly flammable and explosive.You
can be burned or seriously injured when handling
fuel.
To prevent serious eye injury, always wear safety
goggles or other eye protection when using
compressed air.
Remove the carburetor (page 6-9).
Before disassembly, clean the outside of the carburetor.
PILOT JET SET
ASSEMBLY:
Before installing, clean
thoroughly with low-pressure
compressed air.
Lightly lubricate the O-ring
[1] to ensure easy installation
into the carburetor body.
MAIN NOZZLE
ASSEMBLY:
Before installing, clean
thoroughly with low-
pressure compressed air.
MAIN JET
ASSEMBLY:
Before installing, clean
thoroughly with low
compressed air.
FLOAT CHAMBER
ASSEMBLY:
Install the float chamber to the
carburetor body at an angle as shown.
20°
• Keep heat, sparks, and flame away.
• Handle fuel only outdoors.
• Wipe up spills immediately.
O-RING
THROTTLE STOP SCREW
[1]
ADJUSTMENT: (page 3-13)
PILOT SCREW
REPLACEMENT: (page 6-17)
LIMITER
UPPER
CAP
SIDE
PILOT SCREW
SPRING
UPPER
SIDE
FLOAT PIN
O-RING
SET BOLT GASKET
SET BOLT
SCREW
(3 x 6 mm) (2)
CHOKE LEVER
FLOAT
FLOAT VALVE
SPRING
FUEL SYSTEM
LEVER SETTING PLATE
VALVE LEVER
SPRING
FUEL VALVE LEVER
FUEL VALVE
PACKING
CHECK:
Replace if necessary.
SPRING PIN
CARBURETOR BODY
O-RING
SEDIMENT CUP
3.9 N·m (0.4 kgf·m, 2.9 lbf·ft)
FLOAT VALVE
INSPECTION: (page 6-16)
GX390H1:
(BE85T B,
BE88Q A ONLY)
FLOAT
DRAIN SCREW GASKET
DRAIN SCREW
6-11