British Gliding Association Aircraft Inspection

Number:
003/08/2000

Issue:
1

Mandatory

Date: 19th August 2000

Subject:

Ka8 Suspect Elevator drive disconnection

Applicability:

Schleicher Ka2, 2b, 6, K7 & K8 (US 7G1, 7G3, 7G4)

Accomplishment: By 30th September 2000 and Annually at C of A inspections.

Reason:

Incorrect positioning of elevator linkage pivot points or damage during rigging causing misalignment of elevator control arm ball bearing in drive rod and possible disconnection in extreme conditions.

Instructions:

It may be necessary to remove one half of the elevator to accomplish the inspection. 1/ Referring to the Schleicher drawing “Automatic elevator connection” inspect the engagement of the elevator control ball bearing in the control rod. The ball bearing must be positioned at or below the centre line of the control rod. 2/ Check dimensions a1 = a2 and b1 = b2 within the limits indicated. 3/ Check the elevator control rod is straight. Pay particular attention to the area just forward of the elevator control arm ball bearing location “U” assembly. 4/ Any defects found outside the limits indicated on the drawing will require rectification before further flight. 5/ If necessary slightly enlarge the Rudder cable exit slots to enable an inspection of the elevator drive mechanism to be made after rigging the elevators. 6/ Carry out duplicate inspections of reassembled controls. 7/ Make Log Book entry to show compliance with this inspection

Optional inspection: After each rigging of the elevators, carry out inspection 1/ through the Rudder cable exit slots.

Approved By Jim Hammerton, Chief Technical Officer

Issued by - The British Gliding Association Ltd, Kimberley House, Vaughan Way, Leicester, LE1 4SE, U.K. Note: Mandatory inspections must be recorded in the aircraft log book, unless specified, and certified by an appropriately rated BGA inspector. Optional inspections should be entered into the D.I. book or log book as appropriate. Optional inspections may be certified by a BGA Pilot instructor.