1AD/OM-P/3 Amdt 1 - Throttle Lever Screw - Replacement

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Omnipol Piston Engines

AD/OM-P/3

Amdt 1

Throttle Lever Screw - Replacement NK

Applicability: Walter M337 and M332 engines.

Requirement: Replace the throttle lever clamping screw with a standard 4mm x 20mm bolt and steel stop nut or a castellated nut and 1mm split pin in accordance with accompanying drawing.

Accomplishment instructions:

Remove the throttle lever from the throttle shaft, and enlarge the clamping screw bore to 4.2 + 0.1mm.

2. Fit lever to throttle shaft, eliminate backlash and enlarge the throttle lever groove to accommodate a standard 4mm bolt.

3. Fit the bolt, castellated nut and split pin or steel stop nut and check the rigging of the lever.

Note: The P/N's of the bolt, nuts and pin listed in SBs M332/22 and M337/11 correspond with the Czechoslovakian national standard for 4mm x 20mm bolt, castellated nut or steel stop nut, and 1mm split pins.

or, Omnipol SB Walter M332/22 or M337/11.

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Compliance: Within 100 hours time in service after 31 January 1975