4-43. AIR FILTER MAINTENANCE (EARLY MODEL).
This Task Covers:
Cleaning and Inspection
l Semitrailer uncoupled
from towing vehicle (para
l Dry cleaning solvent (Item 14, Appendix E)
l Antiseizing tape (Item 16, Appendix E)
l One gasket
l General mechanics tool kit
Open draincock on air reservoir and release air
Disconnect two air tubes (1 and 5) from
fittings (2 and 4). Remove air filter fittings
filter body (3).
two nuts (8), washers (7), and
from U-bolt (6).
Remove pipe plug (14) from adapter bushing (13) and drain water from air filter body (3).
Secure air filter body (3) in vise and remove adapter bushing (13), gasket (12), spring (11), spring tension
washer (10, and filter element (9). Discard gasket.