Cleaning Engine Compartment; Cleaning Landing Gear; 1D2 - Piper APACHE PA-23-235 Service Manual

2-21. CLEANING.
2-22. CLEANING ENGINE COMPARTMENT. Before cleaning the engine compartment, place a strip of
tape on the magneto vents to prevent any solvent from entering these units.
a. Place a large pan under the engine to catch waste.
b. With the engine cowling removed, spray or brush the engine with solvent or a mixture of solvent
and de-greaser, as desired. It may be necessary to brush areas that were sprayed where heavy grease
and dirt deposits have collected in order to clean them.
CAUTION: DO NOT SPRAY SOLVENT INTO THE GENERATOR OR ALTERNATOR,
STARTER AND AIR INTAKES.
c. Allow the solvent to remain on the engine from 5 to 10 minutes, then rinse the engine clean with
additional solvent and allow to dry.
CAUTION: DO NOT OPERATE ENGINE UNTIL EXCESS SOLVENT HAS EVAPORATED OR
OTHERWISE BEEN REMOVED.
d. Remove the protective covers from the magnetos.
e. Lubricate controls, bearing surfaces, etc., per Lubrication Chart.
2-23.

CLEANING LANDING GEAR.

CAUTION: DO NOT USE HIGH PRESSURE SPRAY WASH EQUIPMENT. ITS USE CAN INJECT
SOAP SOLUTION AND WATER INTO THE WHEEL BEARINGS AND OTHER
INTERNAL CAVITIES RESULTING IN CORROSION AND REDUCED SERVICE
LIFE.
Before cleaning the landing gear, place a plastic cover or similar material over the wheel and brake
assembly.
a. Place a pan under the gear to catch waste.
b. Hand wash wheels and brakes with a mild soap and water solution.
c. Spray or brush the gear area with solvent or a mixture of solvent and de-greaser, as desired. It may
be necessary to brush areas that were sprayed where heavy grease and dirt deposits have collected
in order to clean them.
d. Allow the solvent to remain on the gear from 5 to 10 minutes, then rinse the gear with additional
solvent and allow to dry.
e. Remove the cover from the wheel and remove the catch pan.
f. Lubricate the gear per Lubrication Chart.
II - HANDLING AND SERVICING
PIPER AZTEC SERVICE MANUAL

1D2

07/15/06