TM 3-4230-218-30&P
(6) Low Temperature Thermostat (S4) Replacement.
(a) Disconnect switch leads from terminals 2 and 1 of THERMO-
STAT SELECTOR switch S2.
(b) Clip tie wraps securing switch leads.
CAUTION
Stud threads contain an undercut and stud could twist off during removal.
Use great care and, if possible, soften the locking compound (item 2, Appen-
dix C) with heat before attempting removal.
(c) Remove the switch (19).
(d) Apply locking compound (item 2, Appendix C) to new switch
threads.
(e) Install switch (19) to tee (17) handtight.
(f) Secure switch leads by attaching tie wraps.
(g) Attach terminal ends to terminals 1 and 2 of THERMOSTAT
SELECTOR switch S1.
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