TM 9-2330-373-14 & P
4-34. AIR SUSPENSION SYSTEM (cont)
Disconnect linkage and let springs deflate about half way. Reconnect linkage and allow springs to inflate. When
valve shuts off, check height dimension again.
Repeat steps 6, 7, and 8 above until proper 14 inches, plus or minus one-eighth of an inch dimension is reached.
Disconnect the valve adjusted in previous steps and move actuating arm to a vertical down position to deflate
Repeat steps 5 through 10 above with the opposite height control valve.
Connect both actuating arms with their linkages. When springs are fully inflated and valves shut off, check height
dimension. Both valves should be synchronized.
REMOVAL OF RUBBER BUSHING AND TORSION BAR
Remove weight from semitrailer by blocking and jacking up axle.
Remove front or rear wheels as required.
Disconnect linkage from height control valves and depress actuating arms to exhaust air pressure from air
Remove nuts (2), lock washers (3) and cap