De Havilland DASH8 100 Series Maintenance Manual page 53

(o) Move engine ignition switch #1 to the "OFF" position. Check that 28 VDC
cannot be measured at 9811−TB19 Pin 3C.
(p) Remove all electrical power to the aircraft.
(q) Move Condition Lever #1 to the "FUEL OFF" position and reconnect the
following wire, 9811−TB19, 7411−10003L18 to 3C.
(r) Disconnect 9811−P47 and check that continuity exist between Pin M and Pin K
when the Condition Lever #1 is in the "FUEL OFF" position.
(s) Move the Condition Lever #1 to the "START & FEATHER" position and check
there is no continuity between Pin M and Pin K.
(t) Connect 9811−P47 and move the Condition Lever #1 to the "FUEL OFF"
position.
(6) Engine #2.
(a) Pull engine #2 ignition CB. Check the engine #2 ignition switch is in the "OFF"
position.
(b) Remove all electrical power to the aircraft.
(c) Disconnect the following wire from 9811−TB16, 7411−20003L18 from 2A (See
PSM 1−83−2W, Wiring Manual 74−00−05).
WARNING:
(d) Apply electrical power to the aircraft.
(e) Close engine #2 ignition CB.
(f) Check the Condition Lever #2 on the center console is at the "FUEL OFF"
position.
(g) Check that 28 VDC cannot be measured at 9811−TB16 Pin 2A.
(h) Move engine ignition switch #2 to the "AUTO" position. Check that 28 VDC
cannot be measured at 9811−TB16 Pin 2A.
(i) Slowly move the Condition Lever #2 on the center console to the "START &
FEATHER" position. Check that 28 VDC can be measured at 9811−TB16 Pin
2A before the Condition Lever reaches the "START & FEATHER" position.
(j) Slowly move the Condition Lever #2 forward until the "MAX" position. Verify
that 28 VDC can be measured at 9811−TB16 Pin 2A throughout the entire
travel.
(k) Pull the engine #2 ignition CB and check that 28 VDC is removed from
9811−TB16 Pin 2A.
(l) Close the engine #2 ignition CB and check that 28 VDC can be measured at
9811−TB16 Pin 2A.
(m) Press and hold the test button on the engine #2 NH Speed Indicator and check
that 28 VDC cannot be measured at 9811−TB16 Pin 2A.
(n) Release the test button on the engine NH Speed Indicator and check that 28
VDC can be measured at 9811−TB16 Pin 2A.
MASTER
EFFECTIVITY: See Pageblock 77−12−11 page 201
D
S ERIES 100
AIRCRAFT MAINTENANCE MANUAL
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.
77−12−11
Page 207
Jun 20/2005