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8.
Remove wheel rim through-bolts.
Cont'd
9.
Clean rims thoroughly.
10.
Remove bearings and check for scoring, galling and corrosion. Replace as required.
11.
Regrease and assemble. (Tire and wheel rims are prebalanced. Balance points are
usually marked by a colored dot.)
12.
Lightly inflate to prevent pinching of tube when tightening through-bolts.
13.
Inflate tire to 35 psi to seat tire on rims and back off to 25-26 psi normal pressure. (16-
18 psi for oversize tires.)
14.
Thoroughly inspect landing gear and axle; check that axle attach bolts are torqued.
15.
Reinstall wheel, tighten retaining nut until all play is removed, back off nut to first availa-
ble cotter pin hole, and install new cotter pin.
16.
Inspect brake pads. Replace if necessary.
17.
Replace brake calipers and hub cap.
BRAKE CYLINDERS:
The hydraulic brakes are actuated by two (2) master cylinders, Scott p/n 4408C, on the
left side, and two (2) slave cylinders Cleveland 10-54 on the right side, (if installed).
Check hydraulic oil level in master brake cylinder reservoirs. Proper level is 1/4 inch
from top of cylinder. Add oil if needed.
Bleeding brake system may be done as follows:
1.
Fill reservoir if necessary.
2.
Replace plug in reservoir.
3.
Connect a clear plastic tube to the bleeder valve on the wheel brake cylinder with the
free end of the tube in a container of hydraulic brake fluid.
4.
Actuate brake pedal full stroke with the bleeder valve open which will force fluid into the
receptacle where a check can be made for escaping air bubbles. Continue to actuate
pedal until no more air bubbles are observed.
5.
When no bubbles are observed, close the bleeder valve after pedal has returned to "off"
position. Remove the plastic tube.
Rev. B
4/13/16
MAULE AIRCRAFT CORPORATION
MAINTENANCE MANUAL
M-4/C/S/T
FOR
19
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