Piper COMANCHE PA-24-180 Service Manual page 54

2-30 Landing Gear System.
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2-31 Servicing Landing Gear. The landing gear consisting of tires. brakes. oleo strut assembly. drag links.
down locks and gear doors should be visually inspected to determine proper strut extension, possible
hydraulic fluid leakage. security and condition of all related components Minor service is described in the
following paragraphs. and detailed service and overhaul instructions are listed in Section VI
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PIPER COMANCHE SERVICE MANUAL
MAIN
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FIGURE 2-13. LANDING GEAR STRUT (EXPOSURE)
2-32. Oleo Struts.
2-33. Servicing Oleo Struts. The air-oil type oleo strut should be maintained at proper strut tube exposures
for best oleo action. (Refer to Figure 2-13 ) These measurements are taken with the airplane sitting on level
surface under normal static load. (Empty weight of airplane plus full fuel and oil ) If the strut has less tube
exposure than prescribed. determine whether it needs air or oil by rocking the airplane If the oleo strut
oscillates with short strokes (approximately one inch) and the airplane settles to its normal position within
one or two cycles after the rocking force is removed, the oleo strut requires inflating Check the valve core
and filler plug for air leaks. correct if required. and add air as described in Paragraph 2-35 If the oleo strut
oscillates with long strokes (approximately three inches) and the airplane continues to oscillate after the
rocking force is removed. the oleo struts require fluid Check the oleo for indications of oil leaks. correct if
required. and add fluid as described in Paragraph 2-34 For repair procedures of the landing gear and or
oleo struts. refer to Section VI.
WARNING
Deflate strut air pressure before disassembly
REVISED: 4/3/78
HANDLING AND SERVICING
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