BONANZA SERIES MAINTENANCE MANUAL

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RaylSleon Aircraft Company BONANZA SERIES MAINTENANCE MANUAL FLAPS DESCRIPTION AND OPERATION The flaps are hinged in specially designed tracks. When extended, the flap moves rearward as it pivots downward. This gives a large, effective wing area, which produces additional lift and drag. One flap is installed on each wing. The flaps are operated by an electric-motor-driven gearbox on the aft side of the front spar at the centerline of the airplane. The gearbox drives two flexible drive shafts, each connected to an acme-thread-type jackscrew at each flap. The flaps are controlled by a lever in the subpanel, and the flap position is indicated by an instrument to the left of the control column. The lever (switch) must be pulled out of a detent to change positions. On airplane serials E-llll, E-1241, thru E-1370; CJ-149; CE-748, CE-772 thru CE-815; I D-10097, and D-10120 thru D-10178, the flaps may be stopped at any position by moving the flap switch to OFF when the flaps reach the desired position. The switch is placarded UP, OFF, and DOWN. The markings on the position indicator will be UP, 10", 20", and DN. On airplane serials CJ-150 and After; CE-816 and After; D-l 0179 and After; E-1371 thru E-2110 except E-1946 and E-2104; EA-1 thru EA-388 except EA-320, the indicator is marked UP, 15", and DN. Serials E-1946, E-2104 and E-2111 and After; EA-320, EA-389 and After have lights to indicate flap position. These lights are marked to indicate the down, in-transit, and approach positions of the flaps. All lights are out when the flaps are up. The flaps can be stopped only on the up, approach, or down position as indicated by the flap switch. The flap position transmitter (if installed) is located near the left flap actuator. Power to operate the indicator lights of later serials is controlled by the flap relay and limit switches. NOTE After an emergency extension at speeds above the normal extension speeds, inspect the flaps for damage or distortion before the next flight. FLAPS MAINTENANCE PRACTICES FLAP REMOVAL a. Remove the bolt from the flap actuating arm. b. Remove the bonding cable from the flap tracks. c. Remove the bolts from the flap track brackets and remove the flaps. FLAP INSTALLATION a. Hold the flap in position and install the rollers and the bolts in the flap track bracket. NOTE Install the flap track rollers (four rollers per flap and two rollers per track) in the flap track brackets with the flanges of the rollers in one track facing the flanges of the rollers in other track. b. Connect the bonding cable and install the bolt in the flap actuating arm. p~, 27-50-00 Sep 30/03Page 1 Island Enterprises Ray)lheon Air~raft Company BONANZA SERIES MAINTENANCE MANUAL FLAP TRACK WEAR LIMITS I The allowable track wear on the bearing surface is 0.032 inch resulting in a maximum dimension of 0.785 inch in the track slot. The allowable wear into the track side surface is 0.050 inch. Track wear within the preceding limitations may be dressed smooth with light emery cloth to prevent roller binding. Lubricant mixed with solvent (49 and 26, Chart 1, 91-00-00) may be brushed on the flap tracks during servicing of the airplane. FLAP LIMIT SWITCH ADJUSTMENT NOTE Battery voltage is not sufficient to properly cycle the flaps during rigging. An auxiliary power supply I capable of maintaining 28.25 0.25 volts should be used. If an external power receptacle is not available on the airplane, jumper cables may be used between the battery and the power supply. Be sure of the polarity before making the connection. I CAUTIOW 1 CAUTION Excessive operation of the flap motor withoutproper cooling may cause damage to the motor Allow a short cooling time after each extension and retraction cycle. The flap limit switches are mounted on a bracket and installed on the outboard side of the inboard flap track in the left wing panel. The limit switches control the travel of the flaps by breaking the circuit to the flap motor at the extreme limits of travel. They are accessible by lowering the flaps. TWO-POSITION FLAPS (05-748, 05-772 THRU 05-815; CJ-149; 0-10097, 0-10120 THRU 0-10178; E-llll, 5-1241 THRU 5-1370) There are two limit switches for this system, one for the uplimit position, and one for the downlimit position. To adjust the flaps to neutral position, loosen the screws of the switch assembly so that the assembly can pivot on the fomard elongated hole. Adjust the switch as necessary to stop the flaps in neutral position. Actuate the flap switch to the down position and measure the degrees of travel (proper degree of travel is 300 0" 2"). Adjustment of the down position of the flaps is made on the downlimit switch. THREE-POSITION FLAPS (05-816 AND AFTER; CJ-150 AND AFTER; 0-10179 AND AFTER; 5-1371 AND AFTER; EA-1 AND AFTER) The limit switches, one for up, two for the approach position and one for the down travel, control the travel of the flaps by breaking the circuit to the flap motor at the extreme limits of selected travel. The switches are accessible by lowering the flaps. The flap travel is adjusted by moving the limit switches. The left flap is rigged first, then the right flap is synchronized with it. Rig as follows: Sep 27-50-00 Island Enterprises RByeheOn Aircraft Company BONANZA SERIES MAINTENANCE MANUAL NOTE Rig the flaps under a simulated flight load to reduce overtravel to a minimum after the limit switches have been actuated. When the flaps are in the 0" position, a clearance of 1/16 inch 1/16 inch 1/32 inch must exist I between the flap roller and the forward edge of the flap track slot. a. Adjust the uplimit switch so the flaps will stop at the 0" position. NOTE At serials E-1946, E-2104, E-2111 and After, the flap switch approach position is 12". Adjust the 11" limit (outboard) switch until the flaps are positioned at 11" to 11.5" after the flaps have been actuated from fully up position to the approach position. Adjust the 13" limit switch (inboard) switch