Learjet 60 - (Figure 6-8); Crew Mask - Puritan Bennett Sweep-On 2000; Puritan Bennett Sweep-On 2000

Pilot's Manual

LearJet60
CREW MASKS -
Puritan Bennett
Sweep-On
2000
The crew oxygen masks are quick-donning
masks
which
contain a
mask mounted automatic diluter-demand regulator with a single knob
mode control, an inflatable harness, and a microphone .The flight crew
oxygen masks are stowed in a stowage cup just aft of the pilot and co-
pilot on the bulkhead
or in stowage boxes just aft of the pilot's and co-
pilot's circuit breaker panels . The mask regulators provide for
normal,
100% oxygen, and emergency operation (refer to the FAA Approved
Airplane Flight Manual for detailed operational procedures} . The mask
incorporates a microphone
controlled by the NORM MIC/OXY MIC
switch on the respective audio control panel . Whenbe CNY X11C 5 in
use, a voice-activated hot interphone exists for crew membercommu-
nication . An optional oxygen pressure detector may be located in the
oxygen line . If sufficient pressure is available in the line, the
detector
shows "green" .
MICROPHONE
LINE
Figure 6-8
CREW MASK
-
PURITAN SENNETT SWEEP-ON 2000
602
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PM-123
Change 4