FIREHAWK RESPONDER SECOND STAGE REGULATOR
e.
Reinstall the u-clip.
Installing the Diaphragm
Diaphragm
P/N 10039172
Spring Cap
P/N 10047528
CBRN Shield
P/N 10044026
1. Apply a thin coat of Christo-Lube (P/N 604070) to the
top rim of the regulator housing.
2. Slide the diaphragm
knob into the valve
fork slot.
3. Slide the diaphragm
toward the bypass to
engage the fork.
a. Ensure that the tab
is engaged to the
fork by gently lifting
the diaphragm.
4. Roll the diaphragm
over the regulator
housing rim.
Note:
Replace the Spring Cap (P/N 10047528) and
Tetraplex CBRN Shield (P/N 10044026) per overhaul
frequency. (See
FireHawk® M7 Air Mask Maintenance
and Repair, Introduction (P/N 10093079)
for required
overhaul frequency.)
Note:
While installing the shield, the valve fork must be in
the UP position. Squeeze the buttons to ensure that the
fork is in the up position.
5. Apply a thin coating of Christo-Lube (P/N 604070) to
the bottom of the shield assembly.
6. Place the CBRN shield
over the diaphragm
assembly. Install the
spring cap over the
CBRN shield and lightly
tap to remove the
trapped air.
Installing the Regulator Cover
Regulator Cover
P/N 10047664
Diaphragm Spring
P/N 10092041
1. Install the spring into
the cover. Ensure that
the last coil is captured
by the regulator cover
tabs.
Double-check proper engagement by gently pulling on
the spring. Visually inspect the spring and tabs to
make sure that both tabs engage the spring. Ensure
that the spring is securely attached to the regulator
cover. Do not stretch the spring. Failure to follow this
warning may result in serious personal injury or death.
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