9
6.
The exhaust valve cover
(52) is held in place by four
tabs: Two short tabs on the
top side and two long tabs on
the bottom side. To remove
the exhaust valve cover press
downward on the center rib
using your index and middle
fingers while simultaneously
pulling out on the exhaust
valve cover.
7.
Remove the exhaust valve
(53) by grasping the valve
flap and pulling straight out.
Remove both valves.
Second Stage (LV2) Disassembly
1.
Use diagonal pliers to cut the strap clamp (50) and remove
the mouthpiece (70) from the box bottom (69). Inspect the
mouthpiece to ensure it is free of any tears or cuts that may
cause water leakage into the second stage or discomfort
during use. Discard the mouthpiece if damage is found or
set it aside for reuse if the condition is acceptable.
2.
Using your fingers, unscrew the hard cover (64) from the
box bottom (69). Use the retaining ring wrench to unscrew
the retaining ring (65) from the box bottom.
3.
Lift out the front cover (66) and diaphragm (48). Inspect the
diaphragm for any tears or pin holes by holding it up to a light
and gently stretching around the perimeter. If the condition
is acceptable, set it aside for reuse.
4.
Using a 3/4" thin wrench,
remove the inlet fitting (51)
from the box bottom (69).
5.
Grasp the lever (60) and
remove the valve body as-
sembly from the box bottom
(69). It may be necessary to
push the valve body assembly
through the inlet hole into the
box bottom.
6.
Using your fingers, unscrew the exhaust valve cap (67).
Remove the exhaust valve (68) by grasping the valve flap and
pulling straight out.
NOTE: Set the valve body assembly to the side,
disassembly will continue during the
Valve Body
Disassembly section of this manual.
NOTE: Set the valve body assembly to the side,
disassembly will continue during the
Valve Body
Disassembly section of this manual.
