TM 9-4110-255-14
5-35. DIFFERENTIAL OIL PRESSURE SWITCH S5 REPLACEMENT .
This task covers:
a. Removal
b. Installation
INITIAL SETUP
Equipment Conditions:
Materials/Parts:
Marker tags (4)
Refrigeration system discharged (para 5-10).
4, Appendix E
Left side door open.
Tie Down Strap
Battery removed (para 4-35).
5, Appendix E
Lock Washers (2)
1, Appendix G
a. Removal.
(1) Loosen screw (1) and remove cover (2).
NOTE
Terminal hardware is supplied with oil pressure switch.
(2) Tag wire leads (3). Remove four screws (4) and pull leads out of differential oil pressure switc (5).
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(3) Remove tie down strap (6).
(4) Tag capillary tubes (7) and loosen two flare nuts (8). Move capillary tubes to the side being careful not to
kink or bend tubing.
(5) Remove two bolts (9), lock washers (10), flat washers (11), and differential oil pressure switch (5).
Remove grommet (12). Discard lock washers.
b. Installation.
(1) Loosen screw (1) and remove cover (2) from new differential oil pressure switch (5).
(2) Install grommet (12) into bottom of differential oil pressure switch (5).
(3) Install differential oil pressure switch (5), two flat washers (11), new lock washers (10), and bolts (9).
(4) Using tags on old differential oil pressure switch (5) for reference, align capillary tubes (7) and tighten two
flare nuts (8). Secure capillary tube with tie down strap (6) as shown.
5-61
