L20c Air Controls
312374H
9
L20c Air Controls
Pressure Relief Procedure
1.
Close the air motor shutoff valve (E) and remove air
line from air control coupling (x).
2.
Set the elevator director valve to DOWN. The ram
will slowly drop.
Disassembly
1.
Remove two screws that attach air control panel to
elevator.
2.
Disconnect all hoses and tubing from existing air
control.
Replace Air Motor Regulator
1.
Loosen swivel fitting (205) between regulator (206)
and air motor shutoff valve (203).
2.
Remove nut (218) from front of regulator and pull
regulator out of panel (201).
Replace Air Motor Shutoff Valve
and Ram Shutoff Valve
See parts illustration on page 10.
1.
Remove two screws (211) from air motor shutoff
valve and two screws (209) from ram shutoff valve.
2.
Remove valve assemblies from panel.
Remove Blowoff Push Button
See parts illustration on page 10.
1.
Hold button in place and remove screw.
2.
Remove nut underneath button and push button
from panel (201).
Reassembly
1.
Replace parts as needed and reassemble them in
the reverse order of disassembly.
2.
Connect all hoses and tubing.
3.
Install air controls on elevator with two screws and
lockwashers from kit 257613. See manual 313527.
To reduce the risk of serious injury whenever you are
instructed to relieve the pressure, follow the
Pressure
Relief Procedure.
F
IG
. 14
218
206
201
203
205
r_289105_312375_8a
