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2. Remove the exhaust valve (21) from the exhalation box
by folding it in half and gently pulling from its center stem.
carefully inspect the exhalation box for dents or excessive
wear particularly on sealing/mating surfaces. Replace the
box if found to have problems.
3. Place the nut spanner tool (p/n 7-0550) over the nut (23)
that secures the mentor body assembly to the inhalation
box. Rotate the tool until the pins on the tool mate with the
holes on the nut. use a 3/4" wrench to turn the spanner tool
counterclockwise to remove the nut. Remove the washer
(24) located underneath the retaining nut.
4. separate the regulator assembly from the inhalation box.
carefully inspect the inhalation box for dents or excessive
wear particularly on sealing/mating surfaces. Replace the
box if found to have problems.
5. Remove the large o-ring (42) from the underside of the
body assembly (47).
6. using a 4mm hex key, remove the two mP port plugs (45)
and one hP port plug (43). Remove each of their associated
o-rings (44 & 46).
7. Insert a vise mounting tool into the hP port. securely
mount the tool into a bench vise. Remove the yoke screw
(52) and dust cap (51). using the yoke nut socket (p/n
111001) and an extension, unscrew the yoke retaining nut
(53). The yoke can now lift off.
NOTE:
a LP port. The neck of the C0
off, leaving the threads stuck in the regulator.
Second Stage Disassembly
1. Turn the body assembly over. using a 3mm hex key,
remove the two screws (36) on either side of the lever.
24
Remove the lever bracket assembly (37).
2. using a 1/4" nut driver, remove the locknut (33). This will
release a washer (34), lever (35), poppet (40) and spring (39).
3. using the nylon dowel portion of the extraction tool, press
the poppet bearing (38) out of the lever bracket.
Never attach a c0
WARNING:
DO NOT use a C0
has not been discharged. Doing so may cause the
cartridge to rupture, possibly resulting in serious
personal injury.
40
7
cartridge directly into
2
cartridge may break
2
cartridge which
2
33
35
34
37
39
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