
TABLE II-IIB. TYPE OF LUBRICANTS (cont)
SPECIAL INSTRUCTIONS
1. AIR FILTER - INSPECT FILTER AT LEAST ONCE EVERY 50 HOURS. UNDER EXTREMELY
ADVERSE OPERATING CONDITIONS, IT MUST BE INSPECTED MORE FREQUENTLY. THE
MAXIMUM FILTER LIFE IS 100 HOURS, HOWEVER, DO NOT HESITATE TO REPLACE FILTER
IF INSPECTION REVEALS AN EXCESSIVELY DIRT Y, PUNCTURED OR RUPTURED FILT E R .
ALSO REFER TO PARAGRAPH 2-48.
2. BEARINGS AND BUSHINGS - CLEAN EXTERIOR WITH A QUICK DRYING TYPE SOLV E N T
BEFORE LUBRICATING.
3. WHEEL BEARINGS - DISASSEMBLY AND CLEAN WITH A QUICK DRYING TYPE SOLVENT.
ASCERTAIN THAT GREASE IS PACKED BETWEEN THE BEARING ROLLER AND CONE. DO
NOT PACK GREASE IN WHEEL HOUSING.
4. OLEO STRUTS AND BRAKE RESERVOIR - FILL PER INSTRUCTIONS ON UNIT OR
CONTAINER, OR REFER TO SERVICE MANUAL, SECTION II.
5. O-RING, CONTROL SHAFT BUSHING - DISASSEMBLY O-RING RETAINER PLATES FROM
INSTRUMENT PANEL. LUBRICATE O-RING AND REASSEMBLE.
6. L U B R I C ATION POINTS - WIPE ALL LUBRICATION POINTS CLEAN OF OLD GREASE, OIL,
DIRT, ETC., BEFORE LUBRICATING.
7. INTERVALS BETWEEN OIL CHANGES CAN BE INCREASED AS MUCH AS 100% ON ENGINES
EQUIPPED WITH FULL FLOW (CARTRIDGE TYPE) OIL FILTERS — PROVIDED THE
ELEMENT IS REPLACED EACH 50 HOURS OF OPERATION AND THE SPECIFIED OCTA N E
FUEL IS USED. SHOULD FUEL OTHER THAN THE SPECIFIED OCTANE RATING FOR THE
POWER PLANT BE USED, REFER TO THE LATEST REVISION OF LYCOMING SERV I C E
LETTER NO. L185 FOR ADDITIONAL INFORMATION AND RECOMMENDED SERV I C E
PROCEDURES.
8. LUBRICATE ALTERNATOR PULLEY BEARINGS BY REMOVING FRONT GREASE SEAL.
NOTES
1. PILOT SEATS LUBRICATE TRACK ROLLERS AND STOP PINS AS REQUIRED (TYPE OF
LUBRICANT "A").
2. WHEEL BEARINGS REQUIRE CLEANING AND REPACKING AFTER EXPOSURE TO AN
ABNORMAL QUANTITY OF WATER.
3. FUEL SELECTOR VALVE - LUBRICATE FUEL SELECTOR VALVE AS REQUIRED. REFER TO
THE LATEST REVISION OF PIPER SERVICE LETTER NO. 351.
4. SEE THE LATEST REVISION OF LYCOMING SERVICE INSTRUCTION NO. 1014 FOR USE OF
DETERGENT OIL.
CAUTIONS
1. DO NOT USE HYDRAULIC FLUID WITH A CASTOR OIL OR ESTER BASE.
2. DO NOT OVERLUBRICATE COCKPIT CONTROLS.
3. DO NOT APPLY LUBRICANT TO RUBBER PARTS.
PIPER AIRCRAFT
PA-28-161 CADET
AIRPLANE MAINTENANCE MANUAL
Issued: FEBRUARY 28, 1989
HANDLING AND SERV I C I N G
1C2