Adjust the length of the F-1065 Pushrod Assembly until the WD-1012 Control Sticks are parallel. Measure from inside to inside at the top of the control sticks and compare to same at the bottom of the control sticks. When the two measurements are equal the control sticks are parallel.
Tighten the jam nuts. Bolt the pushrod assembly into the WD-1011-L and -R Control Stick Bases.
Bolt the F-1064 Aileron Pushrod Assemblies into the WD-1011-L and –R Control Stick Bases.
39-9 Completed per plans.
39-10, Steps 1, 2, & 3
Fabricate a simple gauge from the dimensions given in Figure 1. Material is not provided in the kit.
Check the neutral position of the WD-1010 Control Column. Clamp the F-635 Elevator Bellcrank in its neutral position. Insert an AN4 bolt through the gauge. Lower the gauge and bolt into the tunnel and slip the bolt through the control column center clevis pinning the F-1089 Elevator Pushrod (Fwd). When the aft end of the gauge is butted up against the F-1004A Center Section Bulkhead the control column is in its neutral position. Adjust the F-1089 and/or F-1090 Elevator Pushrod lengths if/as required to move the control column to its neutral position.
Perform a final check of the control system once the elevators are installed. Move the control sticks through their full range of motion. The WD-605-L/R-1 Elevator Horns should contact the elevator stops before the control sticks make contact with any other structure.
Bolt the F-1089 Elevator Pushrod Assembly to the WD-1010 Control Column. The loop in the safety wire goes around the bearing, passing between the rod end housing and the WD-1010 Control Column clevis and is captured by the AN4 bolt. The safety wire should not interfere with anything at this connection.