TM 9-4110-258-13
(6) Remove two bolts (14), lock washers (15), and differential oil pressure switch (5).
(7) Remove grommet (16).
b Installation
(1) Loosen screw (1) and remove cover (2) from new differential oil pressure switch (5).
(2) Remove and discard metal jumper from between terminals M and 2.
(3) Install grommet (16).
(4) Install differential oil pressure switch (5), two new lock washers (15), and bolts (14).
(5) Using tags on old differential pressure switch (5) for reference, neatly route new capillary tubing (10) to tee
(1) and elbow (13). Carefully coil excess tubing as necessary.
(6) Aline each capillary tube (10) to tee (12) and elbow (13). Tighten two flare nuts (11).
(7) Install new tie down straps (9) as necessary.
(8) Install clamp (8) around capillary tubes (10). Install new lock washer (7) and bolt (6).
(9) Push four wire leads (3) into differential oil pressure switch (5) and using tags and wiring diagram (fig. 1-
4), install wire leads and screws (4). Remove tags.
(10) Install cover (2) and tighten screw (1).
NOTE
FOLLOW-ON MAINTENANCE:
Close right side door.
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