(a) Examine the P7 fitting to see if air comes out.
S 726-013-C00
(5) If air flow comes out from the P7 fitting, the sensor must be
replaced (AMM 73-21-09/401).
NOTE:____Air flow through the sensor shows an internal failure. An internal failure which shows a temperature change cannot be found with this check. The T2 temperature sensor must be removed, and a bench check must be done for this type of failure.
S 436-014-C00
(6) Remove the plastic tubing and connect the P7 tube to the correct
fitting on the sensor housing.
(a) Tighten the tube nut to 270-300 pound-inches
(30.5-33.9 Newton meters).
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SEE A TUBING
PB PORT PB TUBE
SENSOR HOUSING T2 TEMPERATURE
P7 TUBE
A
T2 Temperature Sensor Internal Failure Check Installation
Figure 602
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(7) S 436-015-C00Connect the PB tube to the fitting on the sensor housing. (a) On engines with PB tube P/N 335-208-801-0, tighten the tube nut to 280 pound-inches (32 Newton meters). (b) On engines with PB tube P/N 335-208-803-0, tighten the tube nut to 195-210 pound-inches (22-24 Newton meters).
(8) S 796-016-C00Do an idle leak check (AMM 71-00-00/501, Test No. 3).
(9) S 416-017-C00Close the left fan cowl panel (AMM 71-11-02/201).
S 866-019-C00
(10) Do a Main Engine (MEC) Trim Check (AMM 71-00-00/501, Test No.6).
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T2 TEMPERATURE SENSOR - CLEANING/PAINTING
_________________________________________
1. General
_______
A. This procedure contains one task. This task gives the instructions to clean the filter fittings of the T2 temperature sensor installed on the engines.
TASK 73-21-09-107-009-C00
2. T2 Temperature Sensor Cleaning
______________________________
A. Equipment
(1)
Container - 1 gallon (4 liter) capacity, for fuel
(2)
Brush - Stiff-bristle
(3)
Funnel
B. Consumable Materials
(1)
Petrolatum - Pure Mineral (CP2102), Local Purchase
(2)
Solvent - Stoddard (CP2011)
C. References
(1)
AMM 71-00-00/501, Power Plant
(2)
AMM 71-11-02/201, Fan Cowl Panels
(3)
AMM 73-21-09/401, T2 Temperature Sensor
D. Access
(1)
Location Zones
506 Engine No. 1 - 10:30 o'clock position
606 Engine No. 2 - 10:30 o'clock position
(2)
Access Panels
5746L Engine No. 1 - Left Fan Cowl Panel
5846L Engine No. 2 - Left Fan Cowl Panel
E. Prepare for the Cleaning of the T2 Temperature Sensor (Fig. 701)
S 017-002-C00
(1)
Open the left fan cowl panel (AMM 71-11-02/201).
