CB PANEL
CB NO.
NAME
L ESS
J5
IGN #1
L ESS
H5
NH IND #1
(3) For engine #2, close the following circuit breakers:
CB PANEL
CB NO.
NAME
R ESS
L5
IGN #2
R ESS
H5
NH IND #2
(4) Tools and Equipment
(a)
Commercially available multi−meter.
(5) Engine #1.
(a)
Pull engine #1 ignition CB. Check the engine #1 ignition switch is in the "OFF"
position.
(b)
Remove all electrical power to the aircraft.
(c)
Disconnect the following wire from 9811−TB19, 7411−10003L18 from 3C (See
PSM 1−83−2W, Wiring Manual 74−00−05).
WARNING:
MAKE SURE THAT ALL PERSONS IN THE AREA OF THE
AIRCRAFT ARE TOLD BEFORE THE ELECTRICAL SYSTEM
IS ENERGIZED. IF YOU DO NOT DO THIS, YOU CAN CAUSE
INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
(d)
Apply electrical power to the aircraft.
(e)
Close engine #1 ignition CB.
(f)
Check the Condition Lever #1 on the center console is at the "FUEL OFF"
position.
(g)
Check that 28 VDC cannot be measured at 9811−TB19 Pin 3C.
(h)
Move engine ignition switch #1 to the "AUTO" position. Check that 28 VDC
cannot be measured at 9811−TB19 Pin 3C.
(i)
Slowly move the Condition Lever #1 on the center console to the "START &
FEATHER" position. Check that 28 VDC can be measured at 9811−TB19 Pin
3C before the Condition Lever reaches the "START & FEATHER" position.
(j)
Slowly move the Condition Lever #1 forward until the "MAX" position. Verify
that 28 VDC can be measured at 9811−TB19 Pin 3C throughout the entire
travel.
(k)
Pull the engine #1 ignition CB and check that 28 VDC is removed from
9811−TB19 Pin 3C.
(l)
Close the engine #1 ignition CB and check that 28 VDC can be measured at
9811−TB19 Pin 3C.
(m) Press and hold the test button on the engine #1 NH Speed Indicator and check
that 28 VDC cannot be measured at 9811−TB19 Pin 3C.
(n)
Release the test button on the engine NH Speed Indicator and check that 28
VDC can be measured at 9811−TB19 Pin 3C.
D
SERIES 100
AIRCRAFT MAINTENANCE MANUAL
MASTER
EFFECTIVITY: See Pageblock 77−12−11 page 201
77−12−11
Page 206
Jun 20/2005
