RAP R11: Low Pressure Air Relay Valve Service and Adjustment
ARV-VA001-102-00
05/05/11
Air Relay Valve
Page 3
10. Place a lubricated outer o-ring
(item 10) in the bore of the body
(item 1) on top of the center sleeve
(item 5). Do not try to seat o-ring
at this time. (See Figure 5)
Figure 5: Center Sleeve Seated
11. Install new inner o-rings (item 11),
without lube, and lubricated outer
ring (14) in the second end sleeve
(item 9). Slide the end sleeve into
the bore of the body (item 1) with
the o-ring grooves out toward the
cylinder threads. Insert the sleeve
until the outer o-ring is about to
enter the bore. (See Figure 6)
12. Disassemble the diaphragm
cylinder by removing the 10-32 x
¾” socket head cap screws (items
9-8) retaining the end cap (item 9-
7) and remove the diaphragm
assembly (item 9-3) from the
cylinder (item 9-1). Discard the old
diaphragm assembly (item 9-3).
(See Figure 8)
Figure 6: Placing Last End Sleeve
