29-32-01
ALL ú ú 01 Page 404 ú May 28/99
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A
757 MAINTENANCE MANUAL
RESERVOIR TEMPERATURE TRANSMITTER - REMOVAL/INSTALLATION
________________________________________________________
1. General
_______
A. This procedure contains two tasks, one to remove and one to install the temperature transmitter on the hydraulic reservoirs.
TASK 29-32-03-024-001
2. Remove the Temperature Transmitter
__________________________________
A. References
(1)
AMM 06-41-00/201, Fuselage Access Doors and Panels
(2)
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(3)
AMM 32-00-15/201, Landing Gear Door Locks
B. Access
(1)
Location Zones
197 Wing to Body - Aft Lower Half (Left)
211/212 Control Cabin
732/742 MLG Body Door
(2)
Access Panel
197KL Hydraulic Service Bay
C. Prepare for the Removal
S 014-002
(1) To remove the temperature transmitter from the center system reservoir, open the access door for the hydraulic service bay, 197KL (AMM 06-41-00/201).
S 494-003
WARNING: USE THE PROCEDURE IN AMM 32-00-15 TO INSTALL THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
To remove the temperature transmitter from the left or right system reservoir, open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
S 864-004
(3)
Remove the pressure from the hydraulic system that contains the reservoir with the temperature transmitter that you will remove (AMM 29-11-00/201).
S 864-005
(4)
Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11K15, HYDRAULICS ELEC PUMP C1
(b)
11K16, HYDRAULICS ELEC PUMP RIGHT
(c)
11K24, HYDRAULICS ELEC PUMP C2
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757
MAINTENANCE MANUAL
á á
á
HYDRAULIC
RESERVOIR
SEE A
RESERVOIR
FWD
1. TEMPERATURE TRANSMITTER
SEE B
HYDRAULIC RESERVOIR (EXAMPLE) A
ELECTRICAL1. TEMPERATURE CONNECTORTRANSMITTER 2. O-RING
TEMPERATURE TRANSMITTER B
Temperature Transmitter Installation Figure 401
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29-32-03
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757
MAINTENANCE MANUAL
(d)
11K25, HYDRAULICS ELEC PUMP LEFT
(e)
EICAS (6 locations)
S 684-006
(5)
Open the drain valve to drain the reservoir.
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