d.
Slide shaft (28) through left side of housing (33) and install washer (30) and ring (29).
e.
Install valves (17), springs (16) and rings (15) in spacers (18).
f.
Place assembled valves (14) in cavities of body (19). Install o-rings (13), seats (12), and springs (11).
g.
Install o-rings (10 and 8) on plungers (9) and guides (7), respectively.
h.
Install plungers (9), guides (7), flanges (6), washers (5) and screws (4).
i.
Install cam followers (3) on valve body (19), then assemble the housing assembly to the valve assembly and
install lockwashers (2) and capscrews (1).
4-3.3
Air Line Conditioner Unit. (Figure 4-4A)
WARNING
Before performing maintenance on the air line conditioner unit, open drain valve (1) on bowl
of filter (2) to allow air pressure to drain from system.
4-3.3.1
Air Line Filter. The air line filter removes contaminants and moisture from air used for air controls.
a.
Replacing Element. The filter element may be replaced without removing the entire filter from the piping.
(1).
Close valve (3), then open drain valve (1) and release air pressure.
(2).
Grasp filter bowl (5), placing thumb on release (4). Move release down with thumb and rotate bowl
counterclockwise, then pull bowl straight down.
(3).
Remove and discard o-ring (6) and element (7).
(4).
Coat the o-ring (6) with light oil or petroleum jelly, then install o-ring (6), element (7) and bowl (5). Turn
bowl clockwise until release (4) locks in place.
(5).
Close drain valve (1) and open valve (3).
b.
Replacing Filter Assembly.
(1).
Close valve (3), then open drain valve (1) and release air pressure.
(2).
Loosen and remove connection blocks (8 and 9). Remove filter (2).
(3).
Place new filter (2) in position and install connection blocks (8 and 9). Tighten blocks.
(4).
Close drain valve (1) and open valve (3).
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