TM 5-4520-256-14
3-32.2 TERMINAL BOARD MAINTENANCE.
This Task Covers:
a. Removal
b. Inspection
c. Cleaning
d. Installation
INITIAL SETUP:
Tools Required:
Tool Kit, General Mechanics (Appendix B, Section III, Item 1)
Materials Required:
Cleaning Solvent (Appendix E, Section II, Item 11)
Adhesive (Appendix E, Section II, Item 14)
WARNING
Cleaning solvent, Federal specification P-D-680, is toxic and flammable. Use only in a well-
ventilated area. Avoid prolonged breathing of fumes. Keep solvent away from flames. Do not
use in excessive amounts. Avoid skin contact.
Equipment Conditions:
Heater shutdown and cool.
Power cable disconnected from power source.
Access door removed (para 3-10a).
a. Removal.
(1)
Remove two screws (4), two lockwashers (5), cover (3), two spacers (6), terminal board (2), and gasket (1) from
heater cabinet.
(2)
Tag and disconnect wiring from terminal board (2).
NOTE
Cover (3) and spacers (6) are only on Army Model H83 heaters.
b. Inspection.
(1)
Inspect wiring for cracked or burned insulation and exposed conductors.
(2)
Inspect terminal lugs for secure mounting and signs of burning and corrosion.
(3)
Inspect terminal board (2) for cracks, holes, burnt or broken terminals, and corrosion.
(4)
Inspect for loose, damaged, or missing hardware.
Change 3 3-102.5
