Mixture Screw Cap Removal: Notes
NOTE:
Before any idle mixture adjustment can be made, idle mixture limiter caps must be removed. If adjustment is required, use the following procedure to remove caps:
- Remove carburetor from vehicle and drain fuel. Turn carburetor over and locate locking tab on each limiter cap. Use a blunt punch and light hammer to tap tab in until locking detent is cleared in locking cup. Remove cap. See Fig 1
.CAUTION: Support area under limiter cap when removing to prevent bending adjustment needle.
- Repeat step 1) for other limiter cap. Install carburetor. After propane adjustments have been made, install new caps on both adjusting screws. To install caps, position locking tab in line with detent in locking plug and press cap into plug.