REPLACEMENT PROCEDURES (continued)
REAR VIEW
FLOWMETER HOUSING
WITH REAR COVER REMOVED
COMPRESSION
FITTINGS
Figure 4-21: ALARM PANEL AND SYSTEM POWER SWITCH
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J1
J2
J3
J4
4-74
NM2B
ALARM
P.C. BOARD
P.C. BOARD
MOUNTING
SCREWS (4)
SYSTEM
POWER
SWITCH
FLEXIBLE O
2
CONNECTION
ALARM CHANNEL
BOTTOM MOUNTING
SCREW
Rev. A