Oil Temperature Bulb − Maintenance Practices; Install Oil Temperature Bulb - De Havilland DASH8 100 Series Maintenance Manual

OIL TEMPERATURE BULB − MAINTENANCE PRACTICES
1. General
The maintenance procedure that follows is for the removal and the installation of the oil
temperature bulb. The oil temperature bulb is screwed into an adapter adjacent to the engine
oil filter. The procedure is the same for the left engine and the right engine.
2. Removal/Installation
Refer to Figure 201.
A. Remove Oil Temperature Bulb
WARNING:
(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:
(4) Obey all the electrical/electronic safety precautions (refer to AMM 24−00−00).
(5) Disconnect the electrical connector (2) from the oil temperature bulb (1).
(6) Put the protective cap on the electrical connector (2).
WARNING:
(7) Remove and discard the lockwire from the oil temperature bulb (1).
(8) Unscrew and remove the oil temperature bulb (1) from the adapter (4).
(9) Remove and discard the preformed packing (3) from the oil temperature bulb (1).
(10) Put the protective caps on the open ends of the oil temperature bulb (1).
B.

Install Oil Temperature Bulb

(1) Make sure that the aircraft is in the same configuration as in the removal task.
(2) Remove the protective caps from the oil temperature bulb (1).
(3) Lubricate the new preformed packing (3) with the engine oil of the same
specification.
(4) Install the preformed packing (3) to the oil temperature bulb (1).
(5) Install the oil temperature bulb (1) to the adapter (4).
(6) Remove the protective cover from the electrical connector (2).
(7) Connect the electrical connector (2) to the oil temperature bulb (1).
(8) Lockwire the oil temperature bulb (1).
MASTER
EFFECTIVITY:
D
S ERIES 100
AIRCRAFT MAINTENANCE MANUAL
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.
OBEY ALL THE SAFETY PRECAUTIONS WHEN YOU DO
MAINTENANCE ON OR NEAR ELECTRICAL/ELECTRONIC
EQUIPMENT. IF YOU DO NOT DO THIS, YOU CAN CAUSE
INJURY TO PERSONS AND/OR DAMAGE TO THE EQUIPMENT.
YOU MUST WEAR EYE PROTECTION WHEN YOU CUT THE
LOCKWIRE. WHEN YOU CUT THE LOCKWIRE, PIECES CAN HIT
YOUR EYES AND CAUSE INJURIES.
79−34−03
Page 201
Jul 15/2012