De Havilland DASH8 100 Series, Руководство по обслуживанию

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OIL PRESSURE TRANSMITTER − MAINTENANCE PRACTICES
1. General
The maintenance procedure that follows is for the removal and the installation of the oil
pressure transmitter. The oil pressure transmitter is installed on the oil tank adjacent to the
sight glass. The procedure is the same for the left engine and the right engine.
2. Removal/Installation
Refer to Figure 201 or Figure 202.
A. Remove Oil Pressure Transmitter
WARNING: MAIN GEAR DOOR LOCK PINS MUST BE INSTALLED IN THE
GROUND LOCK PROVISION BRACKETS PRIOR TO WORKING IN
THE MAIN WHEEL WELL. FAILURE TO OBSERVE THIS
WARNING COULD RESULT IN FATAL OR SERIOUS INJURY.
(1) Open the main landing gear doors and install the doors lock pin.
(2) Open the lower forward nacelle cowl (refer to AMM 71−10−00).
(3) Remove the left side center panel 413 AL (engine No. 1) or 423 AL (engine No. 2)
(refer to AMM 71−10−00).
WARNING: OBEY ALL THE SAFETY PRECAUTIONS WHEN YOU DO
MAINTENANCE ON OR NEAR ELECTRICAL/ELECTRONIC
EQUIPMENT. IF YOU DO NOT DO THIS, YOU CAN CAUSE
INJURIES TO PERSONS AND/OR DAMAGE TO THE
EQUIPMENT.
(4) Obey all the electrical/electronic safety precautions (refer to AMM 24−00−00).
(5) Disconnect the electrical connector (2) from the oil pressure transmitter (1).
(6) Put the protective caps on the electrical connector (2) and on the oil pressure
transmitter (1).
(7) Put a container below the tube (3) and the tee (4) to collect the oil drain.
(8) Disconnect the tube (3) from the union (5).
(9) Put a protective cap on the open end of the tube (3).
(10) Remove the union (5) from the oil pressure transmitter (1).
(11) Remove and discard the preformed packing (6) from the union (5).
(12) Disconnect the tubes (15) and (16) from the tee (4).
(13) Put the protective caps on the open ends of the tubes (15) and (16).
(14) Loosen the nut (7) and disconnect the tee (4) from the oil pressure transmitter (1).
(15) Remove the preformed packing (9), retainer (8) from the tee (4). Discard the
preformed packing (9).
(16) Remove the nut (7) from the tee (4).
(17) Put the protective caps on the open ends of the tee (4).
(18) Hold the oil pressure transmitter (1), remove the nut (13), washer (12) and screw
(11) that attach the clamp (10) to the bracket (14).
(19) Remove the clamp (10) and the oil pressure transmitter (1) from the bracket (14).
D
SERIES 100
AIRCRAFT MAINTENANCE MANUAL
MASTER
EFFECTIVITY:
79−36−03
Page 201
Jul 15/2012