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Page Title:
Figure 3-8. Removal and installation of control box |
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 TM 5-4120-356-14
1.
ELECTRICAL CONNECTOR PLUG P7
2.
SCREW
3.
TEMPERATURE SENSING BULB
4.
SCREW
5.
CLAMP
6.
CAPILLARY TUBE
7.
GROMMET
8.
CONTROL BOX
JUNCTION BOX
9.
CAUTION
USE CARE IN HANDLING TEMPERATURE
SENSING BULB, CAPILLARY TUBE AND
GROMMET TO AVOID DAMAGE TO THE
EQUIPMENT.
REMOVAL OF CONTROL BOX
REFER TO PARAGRAPH 3-10a FOR PRELIMINARY STEPS
1.
IN THE REMOVAL OF THE CONTROL BOX.
2. DISCONNECT ELECTRICAL CONNECTOR (1) FROM CON-
TROL BOX.
3. REMOVE FOUR SCREWS (2).
4.
IF THE CONTROL BOX IS NOT BEING REPLACED, IT IS
NOT NECESSARY TO REMOVE THE TEMPERATURE SENSING
BULB FROM ITS MOUNTING POSITION. TO GAIN ACCESS
TO THE REAR OF THE CONTROL BOX, PULL THE CONTROL
TS54120-356-14/3-8
BOX OUT OF THE AIR CONDITIONER AND PLACE IT ON A
SURFACE WHICH IS AT APPROXIMATELY THE SAME HEIGHT
AS THE CONTROL BOX SO THAT THERE IS NO STRAIN ON
THE CAPILLARY TUBE.
IF CONTROL BOX IS TO BE REPLACED, THE TEMPERATURE SENSING BULB MUST BE REMOVED FROM IT'S
5.
MOUNTING POSITION. PROCEED AS FOLLOWS:
6. LOOSEN SCREW (4) IN CLAMP (5) AND SLIDE THE TEMPERATURE SENSING BULB (3) OUT OF CLAMP.
7.
PEEL SEALER FROM OUTER EDGE OF GROMMET (7) AND REMOVE GROMMET FROM MOUNTING HOLE. LEAVE
GROMMET SEALED IN PLACE AROUND CAPILLARY TUBE (6).
8. CAREFULLY SLIDE TEMPERATURE SENSING BULB THROUGH GROMMET MOUNTING HOLE.
REMOVE CONTROL BOX (8) FROM THE UNIT.
9.
INSTALLATION OF CONTROL BOX
IF TEMPERATURE SENSING BULB HAS BEEN LEFT IN PLACE ON AIR CONDITIONER, PROCEED TO STEP 5. IF
1.
TEMPERATURE SENSING BULB HAS BEEN REMOVED FROM AIR CONDITIONER, PROCEED AS FOLLOWS:
2. CAREFULLY SLIDE THE TEMPERATURE SENSING BULB UP THROUGH THE GROMMET MOUNTING HOLE.
3. CAREFULLY PUSH THE GROMMET INTO THE GROMMET MOUNTING HOLE. SEAL GROMMET WITH SEALING COMPOUND
MIL-C-14255 TYPE II.
4. SLIDE TEMPERATURE SENSING BULB (3) INTO CLAMP (5) AND TIGHTEN SCREW (4).
5. PLACE CONTROL BOX IN MOUNTING POSITION AND SECURE WITH FOUR SCREWS (2) AND CONNECT ELECTRICAL
CONNECTOR (l).
6. REFER TO PARAGRAPH 3-10a FOR FINAL STEPS IN INSTALLATION OF CONTROL BOX.
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