Carburetor; Needle Valve; Jet Needle - Orion AGB-21G Service Manual

INSPECTION

Carburetor

1. Inspect:
Carburetor body
Contamination → Clean.
NOTE:
Use a petroleum based solvent for cleaning.
Blow out all passages and jets with com-
pressed air.
Never use a wire.
2. Inspect:
Adjust Screw,Mixture
Idle Jet
Main Measuring Hole and Main Nozzi
Main Jet
Drain Screw
Damage → Replace.
Contamination → Clean.
NOTE:
Use a petroleum based solvent for cleaning.
Blow out all passages and jets with com-
pressed air.
Never use a wire.

Needle valve

1. Inspect:
Needle valve
Valve seat
Grooved wear
Dust

Jet needle

1. Inspect:
Jet needle
Bends/wear → Replace.
Clip groove
Free play exists/wear → Replace.
Clip position
Standard clip position:
No.4 Groove
4 - 8
CARBURETOR
→ Replace.
→ Clean.