2-46. INDUCTION AIR FILTER.
2-47. REMOVAL OF AIR FILTER. The induction air filter is located on the right side and midway in the engine
compartment, and may be removed by the following procedure:
a. Open the cowling on the right side of the engine.
b. Loosen the four quarter turn fasteners and separate the filter housing.
b. When returning existing filter element to service, shake filter to remove dirt particles.
c. Remove the filter element from its screen housing by removing the four screws.
d. Inspect filter per instructions in Paragraph 2-48.
2-48. SERVICE INSTRUCTIONS (INSPECTION AND REPLACEMENT).
a. The wet-type polyurethane foam air filter must be inspected at least once every 5O 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 dirty, punctured or ruptured
filter. Refer to the PA-28-161 CADET Parts Catalog for filter part number..
c. Inspect filter housing for damage and condition of seal.
d. The filter housing may be cleaned by wiping with a clean cloth soaked in a suitable quick drying type
solvent. When housing is dry, reinstall filter.
2-49. INSTALLATION-OF AIR FILTER. After replacement and/or inspection. Install filter element in screen
housing. Ensure the two retainers are properly positioned around the filter element according to Figure 2-9.
2-50. PROPELLER.
2-51. SERVICING PROPELLER. The propeller surfaces along with the spinner and back plate should be
cleaned and inspected frequently for nicks, scratches, corrosion and cracks. Minor nicks and scratches on the
propeller may be removed per instructions given in Section VIII. The rear face of each propeller blade should be
painted when necessary with a flat black paint to retard glare. To prevent corrosion. wipe surfaces with a light oil
or wax.
2-52. FUEL SYSTEM.
2-53. SERVICING FUEL SYSTEM. At intervals of 50 hours or 90 days, whichever comes first, clean the fuel
strainer screen located in the fuel bowl, mounted on the lower left side of the firewall. There is a screen in the
electric fuel pump, located at the lower left side of the engine compartment, and a screen in the inlet side of the
carburetor.
information may also be found in Section IX. Inspection intervals of the various fuel system component may be
found in Section III.
PIPER AIRCRAFT
PA-28-161 CADET
AIRPLANE MAINTENANCE MANUAL
Issued: FEBRUARY 28, 1989
HANDLING AND SERV I C I N G
1B20