(d)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
TASK 24-11-01-436-002
3. Connect the IDG Input Shaft
___________________________
A. References
(1)
AMM 24-11-01/401, Integrated Drive Generator
(2)
AMM 71-11-04/201, Fan Cowl Panels
B. Access
(1)
Location Zones
211/212 Flight Compartment
410 Power Plant Nacelle (Left)
420 Power Plant Nacelle (Right)
(2)
Access Panels
413/423 Fan Cowl Panels (Left)
414/424 Fan Cowl Panels (Right)
C. Prepare for check
S 016-008
(1) Open the fan cowl panels of the engine which contains the IDG to be connected if they are not already open (AMM 71-11-04/201).
D. Procedure
S 436-009
(1) Do the IDG connect procedure as follows:
(a)
Slowly pull the disconnect reset ring on the IDG to the outward limit of travel. Note the amount of hand force required.
(b)
Make sure that the "click" can be felt in the disconnect reset ring as it gets near the outward limit of travel.
NOTE: Operation of the reset ring should be smooth with
____ moderate force required and no indication of binding.
(c) Allow the disconnect reset ring to slowly return to the maximum inward position.
NOTE: Operation of the reset ring should be smooth with no
____ indication of binding.
(d)
Slowly pull the disconnect reset ring to the outward travel limit. Note the amount of hand force required.
(e)
Make sure that the force required should be less than that required in the previous step.
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ALL ú ú 02 Page 606 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
(f) Make sure that there was no "click" due to the second pull of the disconnect ring.
NOTE: If the hand force does not decrease, or a "click" is
____ produced during the second pulling of disconnect reset ring, replace IDG (AMM 24-11-01/401).
(g) Allow the disconnect reset ring to slowly return to the maximum inward position.
S 416-010
(2) Close the fan cowl panel (AMM 71-11-04/201).
TASK 24-11-01-286-075
4. Examine the Pressure Differential Indicator and the Scavenge Filter
___________________________________________________________________
A. General
(1)
When the Pressure Differential Indicator (DPI) on the IDG is extended, the scavenge filter and the IDG oil must be examined.
(2)
If the scavenge filter and the IDG oil condition are not satisfactory, or the DPI Resets decal shows it is the 4th extension, the IDG must be replaced.
(3)
If the scavenge filter and the IDG oil condition are satisfactory, and the DPI Resets decal shows it is not the 4th extension, the DPI can be reset.
B. References
(1)
AMM 12-13-03/301, IDG - Servicing
(2)
AMM 24-11-02/201, Scavenge Filter
(3)
AMM 24-11-00/501, Generator Drive System
(4)
AMM 71-11-04/201, Fan Cowl Panels
C. Standard Tools and Equipment
(1)
Container - 2 U.S. gallon (8 liter) capacity, suitable to collect oil drainage from the IDG.
(2)
Overflow drain hose with an adapter,
Ozone OMP2505-3 or Risbridger tool DRG 1827.
D. Access
(1)
Location Zones
(a)
212 Flight Compartment
(b)
410 Left Power Plant Nacelle
(c)
420 Right Power Plant Nacelle
(2)
Access Panels
(a)
413/423 Fan Cowl Panels (Left)
(b)
414/424 Fan Cowl Panels (Right)
E. Prepare for Examination
S 866-082
(1) Open these circuit breakers on the main power distribution panel P6 and attach DO-NOT-CLOSE tags:
(a) 6B5, L GEN DRIVE DISC
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