Boeing F4B-1 - Ignition System; Surface Controls

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SECTION XII
IGNITION SYSTEM
Para g ra ph
Page
31. Installation.
........... .. . .. . 33
31. INSTALLATION (Reference Fig. 21): No special instructions are re-
quired on the ignition system.
SECTION XIII
SURFACE CONTROLS
Par agrap h
Page
32. Installa tion .....
.... 33
. .. . 33
. 33
33. Main t enance
34. Lubrication . ... .. .. .
32. INSTALLATION (Reference Fig. 22 and 23): a. Attach the rudder and
tail skid cables, noting that the turnbuckles are nearest the rudder. Place the
pedals , rudder and tail skid in their neutral positions and adjust the tension in the
cables with the turn buckles. Adjust the turnbuckles in the stops so that a rudder
movement of 30° (12.14 inches at trailing edge) each side of neutral is obtained.
b. The stabilizer adjustment installation requires no explanation. If it does
not operate freely examine the torque tube bearings to see that they are aligned
properly. The stabilizer movement is +2 ° to -4 ° or 1.22 and 2.44 inches respect-
ivel y, measured at the inner end of the leading edge. (See paragraph 7c, page 10).
c. Attach the elevator cables, noting that the turnbuckles are nearest the
elevator. Set the stabilizer at zero degrees, place the control stick and elevator
in their neutral positions and adjust the tension in the cables with the turnbuckles.
The elevator movement is 30° (8.25 inches at trailing edge) each side of neutral.
d. The ailerons were assembled with the upper wing (see paragraph 3m,
page 8). No adjustment of the ailerons should be necessary as this was done at
the factory. If required, they may be adjusted at the terminals on the outer ends
of the control rods and the upper ends of the aileron struts. The aileron move-
ment is 26° above and 15 ° below neutral, or 2.64 and 1.56 inches respectively,
measured at the inboard end of the trailing edge.
e. Check the movement of all control surfaces and see that pulleys and fair-
leads are properly aligned. Be sure that all nuts, bolts and turnbuckles are securely
lo c ked.
33. MAINTENANCE: a. Regular and careful inspection of the entire surface
controls system is essential, more especially of cables, pulleys and fairleads. All
frayed and worn parts must be replaced immediately.
b. Keep the stabilizer adjustment mechanism clean.
c. Control cables are to be kept coated with graphite grease.
. 34. L~BRICATION: Lubricate the following points at least once a week on
airplanes m regular service.
a.
b.
c.
d.
e.
f.
g.
h.
Stabilizer adjustment gears......... . . . .. . .... . .. .... .. .. .. .. . . Grease (sparingly)
Stabilizer swivel post . ... .......... .. . ..... .. .... ... ......... .. ... . ... . ... .. .. . .......... Zerk gun
Stabilizer adjustment bearings........... .. .. ............ .... . .. .... . . .... ..... Oil
Stabilizer bearing ........ .............. .. ... .. .. .. .... ......... ... .................. .. Oil
Rudder and elevator cable pulleys .. .... .. ....... .. . .. ..... ... . .. .. Oil
Control stick and torque tube bearings . .. . .. ............. ... .. .. .Oil and Zerk gun
Rudder peda] bearings ... ... .. .. ..... .. .. .. . .... ..... ... ... ... .. ..... . .Zerk gun
Aileron c ontrol c ranks and rollers ... . .. ........ ..... ..Oil
1.
Aileron s trut terminals .. ............... ..... ... . ...... Oil
j.
Aileron hinges... .... ......... .. . .... . . ..... ....... .. .......... .. . ........ Oil
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