TM 55-1520-240-T
6-2.2 TRANSMISSION CHIP DETECTORS AND DEBRIS
6-2.2
SCREENS VISUAL CHECK
INITIAL SETUP
Applicable Configurations:
Equipment Condition:
All
TM 55-1520-240-23:
Tools:
Battery Disconnected
Aircraft Mechanic's Tool Kit,
Electrical Power Off
NSN 5180-00-323-4692
Hydraulic Power Off
Forward Drip Pan Removed
Materials:
Aft Transmission Baffles Open
None
Pylon Hinged Fairing Open
Pylon Lower Fairing Open
Personnel Required:
Pylon Right Work Platforms Open
67U 10 Medium Helicopter Repairer
Engine Air Inlet Screens Removed
Engine Transmission Fairings Removed
References:
Cargo Ramp Open and Level (Task 7-3.3)
TM 55-1520-240-23
TASK
RESULT
CHECK INDICATORS
If any indicator (1) is loose or damaged, tighten
1. Check six TRANSMISSION CHIP DE-
or replace it as required. If left or right indicator
TECTOR indicators (1).
displays a black-and-white fan, go to Task 6-2.4. If
FWD, COMB, AFT, or AFT SHAFT indicator
2. Check six TRANSMISSION DEBRIS
displays a black and white fan, go to Task 6-2.5.
SCREEN indicators (2).
If any indicator (1) is loose or damaged, tighten
or replace it as required. If any indicator
displays a black-and-white fan, go to Task 6-2.7.
CHECK FORWARD TRANSMISSION CHIP DETECTOR
AND DEBRIS SCREEN INSTALLATION
3. Check chip detector and indicating
If chip detector and screen (3) is damaged, replace
screen.
If wiring or electrical connector to chip detector
and indicating screen is damaged, repair or re-
place it as required.
CHECK AFT TRANSMISSION CHIP DETECTOR
AND DEBRIS SCREEN INSTALLATION
4. Check chip detector and indicating
If chip detector and screen (4) Is damaged, replace
screen (4).
it. If wiring or electrical connector to chip detector
and indicating screen is damaged, repair or re-
place it as required.
GO TO NEXT PAGE
6-30