TM 10-4610-215-24
TM 08580A–24/2
b. Disassembly. (Figure 2–37)
(1) Place relay valve on a clean dry workbench.
(2) Remove screw (1), diaphragm washer (2), and diaphragm (3).
CAUTION
Spring loaded under cover. Keep pressure on cover during
removal to prevent possible loss of parts.
(3) Remove screws (4), washers (5), and exhaust cover (6).
(4) Remove O-rings (7) and (8) from exhaust cover (6).
(5) Remove emergency spring (9), then remove the emergency piston and valve assembly.
(6) Remove O-ring (10), spring (11), and ball (12) .
(7) With emergency piston and valve assembly placed on workbench, remove retaining ring (13) and
remove the inlet and exhaust valve assembly from emergency piston (14).
(8) Remove retaining ring (15), valve guide (16), O-rings (17) and (18), valve spring (19) and valve
retainer (20) from inlet and exhaust valve (21).
(9) Turn valve body over and remove screws (22) and washers (23).
(10) Remove cover (24) and O-ring (25).
(11) Remove relay piston assembly, then remove exhaust valve seat (26) from relay piston (27).
(12) Remove piston return spring (28) and sealing ring (29).
(13) Remove filter (30) from body (31).
c. Inspection.
(1) Inspect all springs for damage. If spring damage is present, replace spring.
(2) Inspect exhaust diaphragm for corrosion, nicks, and other damage. If corrosion, nicks, or other
damage exists, replace exhaust diaphragm.
(3) Inspect relay piston for wear or corrosion. If badly worn or corroded, replace relay piston.
(4) Inspect filter for dirt, corrosion, or damage. If filter contains dirt, corrosion or is damaged, replace filter.
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