7-45. REMOVAL AND DISASSEMBLY OF MAIN WHEEL. (Refer to Figure 7-13.)
a. Place airplane on jacks.
b. To remove main wheel. remove cap bolts joining brake cylinder housing and back plate lining
assemblies. Remove back plate from between brake disc and wheel.
c. Remove the dust cover and cotter pin that safeties axle nut: remove axle nut and bushing and slide
wheel from the axle.
d. The wheel halves (1 and 2) may be separated by first deflating the tire. With tire deflated. remove
bolts (9). Pull wheel halves from tire by first removing inner half from the tire then the outer half.
e. Wheel bearing assemblies may be removed from each wheel half by removing snap rings (13),
grease seal rings (12 and 15), felt grease seals (14) and bearing cone (11). Bearing cups (10) should
not be removed unless in need of replacement. To remove bearing cups. refer to paragraph 7-46.
PIPER SENECA II SERVICE MANUAL
04/30/07 VII - LANDING GEAR AND BRAKE SYSTEM
1L5
Figure 7-12. Nose Wheel Assembly
1.
2.
3.
4.
6.
7.
8.
9.
10.
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