Special Instructions - Piper Navajo Chieftain PA-31-350 Service Manual

NAVAJO CHIEFTAIN SERVICE MANUAL
SPECIAL INSTRUCTIONS
1. AIR FILTER - TO CLEAN FILTER. BLOW OUT WITH COMPRESSED AIR
FROM GASKET SIDE OR WASH IN WARM WATER AND MILD DETER-
GENT AND DRY. DO NOT USE OIL.
2. BEARINGS AND BUSHINGS - CLEAN EXTERIOR WITH A QUICK DRYING
TYPE SOLVENT BEFORE RELUBRICATING.
3 COWL AND FLAP TRANSMISSIONS AND SCREWS, TRIM SCREWS AND
WHEEL BEARINGS - DISASSEMBLE AND CLEAN WITH A QUICK DRY-
ING TYPE SOLVENT. WHEN REASSEMBLING TRANSMISSIONS. PACK
3/4 MINIMUM FULL WITH DUKES FORMULA NO. 2 P/N 2196-74-1 LUBRI-
CANT (PIPER AIRCRAFT P/N 923 120). APPLY A THIN COATING OF
MIL-G-23827 GREASE TO THE SCREW. WHEEL BEARINGS REQUIRE
CLEANING AND REPACKING AFTER EXPOSURE TO AN ABNORMALLY
LARGE QUANTITY OF WATER. PACK CLEVELAND WHEEL BEARINGS
WITH MOBIL GREASE 77 OR MOBILUX EP2. PACK GOODYEAR BEAR-
INGS WITH A GREASE CONFORMING TO MIL-G-81322.
4 OLEO STRUTS. POWER PACK RESERVOIR AND BRAKE RESERVOIR -
FILL PER INSTRUCTIONS ON UNIT OR CONTAINER, OR REFER TO
SERVICE MANUAL, SECTION II. DO NOT USE HYDRAULIC FLUID WITH
A CASTOR OIL OR ESTER BASE.
5 PROPELLER - REMOVE ONE OF THE TWO GREASE FITTINGS FOR EACH
BLADE. APPLY GREASE THROUGH FITTING UNTIL FRESH GREASE
APPEARS AT HOLE OF REMOVED FITTING.
6. LUBRICATION POINTS - WIPE ALL LUBRICATION POINTS CLEAN OF
OLD GREASE. OIL. DIRT, ETC.. BEFORE RELUBRICATING.
7 LUBRICATING OIL - 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.
8 LOOSEN BOOT FROM GEAR LOCK ROD ASSEMBLY AND GREASE
TUBE TUBE MUST SLIDE FREE TO SLOT LIMITS. REFER TO LATEST
REVISION OF PIPER SERVICE LETTER NO. 755.
9 FUEL FILLER CAPS - APPLY LUBRICATION UNDER THE HANDLE AND
AROUND THE AXLE.
10 APPLY CORROSION RETARDANTCOMPOUND (PIPER P/N 197-508 OR
197-509) WITH SPRING IN THE EXTENDED CONDITION TO INSURE
FULL COVERAGE OF ALL COILS. (REFER TO CONSUMABLE MATERIALS
LIST.)
NOTES
1. PILOT AND PASSENGER SEATS - LUBRICATE TRACK ROLLERS AND
STOP PINS AS REQUIRED.
2. CONTROL AND TRIM CABLES: WIPE CLEAN AT REGULAR INTERVALS
BUT DO NOT LUBRICATE.
3. SEE LATEST REVISION OF LYCOMING SERVICE INSTRUCTIONS NO.
1014 FOR USE OF DETERGENT OIL.
CAUTIONS
1. DO NOT USE HYDRAULIC FLUID WITH A CASTOR OILOR ESTER BASE.
2 DO NOT OVER LUBRICATE COCKPIT CONTROLS.
3. DO NOT APPLY LUBRICANT TO RUBBER PARTS.
Revised: 5/3/84
HANDLING AND SERVICING
1C7