TM 5-6115-590-12
cian's brush or wipe with a clean rag lightly moistened with an approved cleaning solvent.
(b) Visually inspect exhaust gas temperature indicator for corrosion, cracked case or glass, damaged threads,
and other damage.
(3) Installation. Install exhaust gas indicator in reverse order of removal procedures.
j. Rotary Switch (S25).
(1) Removal.
(a) If wiring harness has not been removed, tag and disconnect electrical leads to rotary switch (11).
(b) Loosen setscrew in knob (35) and remove knob and grommet (34). Remove four screws (furnished as
hardware with switch), lockwashers (33) and flat washers (32) from rotary switch, then remove rotary switch.
(2) Cleaning and Inspection.
(a) Clean rotary switch with filtered compressed air and an electrician's brush or clean rotary switch with
approved cleaning solvent and electrician's brush.
(b) Visually inspect rotary switch for corrosion, cracks, damaged threads, proper alignment and other evidence
of damage.
(3) Installation. Install rotary switch in reverse order of removal procedures.
k. Rotary Switch (S26).
(1) Removal.
(a) If wiring harness has not been removed, tag and disconnect electrical leads to rotary switch (84), S26.
(b) Loosen setscrew in knob (87) and remove knob and grommet (88). Remove four screws (furnished as
hardware with switch), lockwashers (85) and flat washers (86) from rotary switch (84), then remove rotary switch.
(2) Cleaning and Inspection.
(a) Clean rotary switch with filtered compressed air and an electrician's brush or clean rotary switch with an
approved cleaning solvent and electrician's brush.
(b) Visually inspect rotary switch for corrosion, cracks, damaged threads, proper alignment and other evidence
of damage.
(3) Installation. Install rotary switch in reverse order of removal procedures.
l Indicator Lights (DS1, DS2, DS3, DS4, DS5, DS7, DSS, DS12, DS19, DS23, DS24, DS25, and DS26).
(1) Removal
(a) If wiring harness has not been removed, tag and disconnect electrical leads to indicator lights
(108,109,110).
(b) Remove nut and washer from each indicator light and remove indicator light
NOTE
Indicator light DS3 (110) is identical to the other twelve indicator lights except that it has a green lens
rather than a red lens. Be sure that indicator light DS3 is reinstalled at the correct location on the panel
"ready to load" indicator.
(2) Cleaning and Inspection.
(a) Clean lamp assembly with filtered compressed air and an electrician's brush or wipe with a clean rag
moistened with an approved cleaning solvent.
(b) Visually inspect lamp assembly for corrosion, cracks, damaged threads, and other evidence of damage.
(3) Installation. Install indicator lights m reverse order of removal procedures
m. Toggle Switches (S1, S2, S3, S6, S9, S30 and S39)
(1) Removal.
(a) If wiring harness has not been removed, tag and disconnect electrical leads to toggle switches
(82,83,104,107,114,115,116)
(b) Remove boots (92 through 98) from switches. Remove hardware (supplied with switches) and remove
toggle switches.
(2) Cleaning and Inspection.
(a) Clean toggle switches with filtered compressed air and an electrician's brush or wipe with a clean rag lightly
moistened with an approved cleaning solvent.
(b) Visually inspect toggle switches for corrosion, cracks, damaged threads and other evidence of damage.
Inspect boots for damage or deterioration.
(3) Installation. Install toggle switches in reverse order of removal procedures.
n. Magnetic Circuit Breakers (CB11 and CB12).
(1) Removal. If wiring harness has not been removed, tag and disconnect electrical leads to circuit breakers (105
and 106).
(2) Cleaning and Inspection.
(a) Clean circuit breakers with filtered compressed air and an electrician's brush or wipe with a clean rag lightly
moistened with an approved cleaning solvent.
(b) Visually inspect circuit breakers for corrosion, cracks, damaged threads and other evidence of damage.
(3) Installation. Install circuit breakers in reverse order of removal procedures.
o. Toggle Switches (S5, S7, S8, and S29).
(1) Removal.
(a) If wiring harness has not been removed, tag and disconnect electrical leads to toggle switches
(143,144,118 and 117).
(b) Remove boots (125,131,137,138) from switches. Remove hardware (supplied with switches)
Change 6
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