Hartzell CD15K - FIGURE 27 A: COMBUSTION AIR SWITCH TESTING; FIGURE 27 B: COMBUSTION AIR SWITCH INSTALLATION

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Page | 48
MM10001
Dated 1/1/08
Rev L dated 5/21/15
COMBUSTION
AIR
INLET ADAPTER
APPLY AIR
SLOWLY
1
8
" BLEED
HOLE
PRESSURE
PORT
5 INCH
WATER
MANOMETER
VACUUM
PORT
COMBUSTION
AIR SWITCH
P/N 21423
ADJUSTMENT
CW TO INCREASE
CCW TO DECREASE
TO CLOSE AT
0.5 + -0.1 INCHES
OF WATER
IGNITION
UNIT
SWITCH SHOULD CLOSE AT
0,5 + -0.1 INCHES OF WATER
FIGURE 27A: COMBUSTION AIR SWITCH TESTING
FIGURE 27B: COMBUSTION AIR SWITCH INSTALLATION