TM 9-4110-255-14
4-52. ENGINE OIL PRESSURE SWITCH TESTING AND REPLACEMENT . - Continued
c. Installation.
(1) Install new washer (4) and engine oil pressure switch (2).
(2) Connect wire lead (3) using tag and wiring diagram (fig. 1-4). Remove tag.
(3) Push cap (1) over engine oil pressure switch (2) connector.
NOTE
FOLLOW-ON MAINTENANCE:
Close front door.
Connect battery (para 4-35) and put unit back into service.
4-53. ENGINE TEMPERATURE SWITCH TESTING AND REPLACEMENT.
This task covers:
a. Testing
b. Removal
c. Installation
INITIAL SETUP
Materials/Parts:
Equipment Conditions:
Marker tag
Refrigeration unit shut down (para 2-7) and battery
4, Appendix E
disconnected (para 4-35).
Washer
Left side door open.
13, Appendix G
a. Testing. (See Figure 1-4.)
(1) Tag and disconnect wire lead (1).
(2) Using multimeter set to measure continuity, check engine temperature switch (2) continuity between
connector and base. Continuity should not be indicated. If continuity was indicated, replace engine
temperature switch.
(3) If no failure was indicated, connect wire lead (1) using tag and wiring diagram (fig. 1-4). Remove tag.
b. Removal.
(1) Tag and disconnect wire lead (1).
(2) Remove engine temperature switch (2) and washer (3). Discard washer.
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