Torque Indicating System − Maintenance Practices - De Havilland DASH8 100 Series Maintenance Manual

TORQUE INDICATING SYSTEM − MAINTENANCE PRACTICES
1. Removal/Installation
The procedures that follow are for the removal and installation of the torque (TRQ%)
indicators.
A. Removal of the Torque (TRQ%) Indicators
WARNING:
(1) Remove electrical power from aircraft.
(2) Open, safety clip and tag the circuit breakers that follow:
CIRCUIT BREAKER PANEL
LEFT DC
LEFT DC
RIGHT DC
RIGHT DC
AVIONICS
RIGHT DC
(3) Loosen the torque (TRQ%) indicator top right and lower left securing screws
approximately five turns.
(4) Push in the torque (TRQ%) indicator top right and lower left securing screws to
disengage the clamping mechanism.
(5) Slide out the torque (TRQ%) indicator.
(6) Disconnect the connector and remove the torque (TRQ%) indicator.
B. Installation of the Torque (TRQ%) Indicators
(1) Make sure the aircraft is in the removal configuration.
(2) Reconnect the connector to the torque (TRQ%) indicator.
(3) Insert and align the torque (TRQ%) indicator and tighten the securing screws.
(4) Remove the safety clips and tags and close the circuit breakers that follow:
CIRCUIT BREAKER PANEL
LEFT DC
LEFT DC
RIGHT DC
RIGHT DC
AVIONICS
RIGHT DC
MASTER
EFFECTIVITY:
D
S ERIES 100
AIRCRAFT MAINTENANCE MANUAL
REMOVE ALL ELECTRICAL POWER FROM THE AIRCRAFT
BEFORE YOU DO MAINTENANCE. PUT WARNING PLACARD AT
THE EXTERNAL POWER RECEPTACLE AND IN FLIGHT
COMPARTMENT. THIS IS NECESSARY TO PREVENT
ELECTRICAL SHOCK TO PERSONS AND/OR DAMAGE TO THE
EQUIPMENT.
CIRCUIT BREAKER NO.
K6
S2
J5
A1
M1
R3
CIRCUIT BREAKER NO.
K6
S2
J5
A1
M1
R3
NAME
TORQUE IND 1
IND LCD HTR
TORQUE IND 2
IND LCD HTR
TORQUE IND BUG
ENGR INSTR
NAME
TORQUE IND 1
IND LCD HTR
TORQUE IND 2
IND LCD HTR
TORQUE IND BUG
ENGR INSTR
77−10−00
Page 201
Jun 20/2005