4-213. APU AIR CLEANER
This task covers:
c. Follow-on Maintenance
Tool Kit, General Mechanics, Automotive
Main Engine Shutdown (see para 2-12.)
(Appendix B, Section III, Item 1)
APU Shutdown (see para 2-16.)
Batteries Disconnected (see para 4-114.)
Oil, SAE 40 (Item 20, Appendix E)
Solvent, Dry Cleaning (Item 3, Appendix E)
(1) Remove two wing nuts (1) and air
cleaner cover (2).
(2) Remove foam filter (3) and mesh filter (4)
from bracket (5).
(3) Inspect filters for damage. Replace filters
b. Cleaning and Inspection.
Dry cleaning solvent P-D-680 is potentially
dangerous. Avoid repeated and prolonged
breathing of vapors and skin contact with the
liquid. Do not use near open flame, arcing
equipment or other ignition sources. Always
wear eye protection and protective clothing.
The flash point of P-D-680 is 100 to 138 deg.
F (38 to 59 deg. C).
Compressed air used for cleaning purposes
will not exceed 30 psi (207 kPa). Use only with
effective chip guarding and personal protec-
tive equipment (goggles/shield, gloves, etc.)
(1) Clean filters in dry cleaning solvent (Item
3, Appendix E) and dry with compressed
(2) Dip foam filter in clean oil (Item 20,
(3) Squeeze dry foam filter.