e. Do not operate the engine at high RPM when running up or taxiing over ground containing loose stones,
gravel, or any loose material that may cause damage to the propeller blades.
2-20. EXTERNAL POWER RECEPTACLE (OPTIONAL)
2-21. OPERATION OF EXTERNAL POWER RECEPTACLE. The external power receptacle is located on the
right side of the fuselage forward of the wing. When using external power for starting or operation of any of the
airplane's equipment, the following procedure should be followed:
a. Turn aircraft MASTER SWITCH and all electrical equipment OFF.
b. Ascertain that the RED lead of PEP (Piper External Power) kit jumper cable goes to the POSITIVE (+)
terminal of external 12-volt battery and the BLACK lead goes to the NEGATIVE (-) terminal.
c. Insert the plug of the jumper cable into the socket located on the aircraft fuselage.
d. Turn the aircraft MASTER SWITCH ON and proceed with NORMAL engine starting technique.
e. After the engine has been started, turn the MASTER SWITCH and all electrical equipment OFF and
remove the jumper cable plug from the aircraft.
f. Turn the aircraft MASTER SWITCH to the ON position and check the alternator ammeter for an indication
of output. Do not attempt any flight if there is no indication of alternator output.
2-22. CLEANING.
2-23. CLEANING ENGINE COMPARTMENT. Before cleaning the engine compartment, place strips of tape on
the magneto vents to prevent any solvent from entering these units.
a. Place a 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
degreaser, 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 alternator, starter, air intake, and alternate air inlets.
c. Allow the solvent to remain on the engine from five to ten 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.
2-24. CLEANING LANDING GEAR. 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. Spray or brush the gear area with solvent or a mixture of solvent and degreaser, 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.
PIPER AIRCRAFT
PA-28-161 CADET
AIRPLANE MAINTENANCE MANUAL
Issued: FEBRUARY 28, 1989
HANDLING AND SERV I C I N G
1B12