3-26. TRANSFORMER MAINTENANCE.
This task covers:
c. Cleaningd. Testing e. Installation
Tool Kit, General Mechanics
Cleaning Solvent (Item 11, Appendix E)
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.
Heater unit shut down and cool.
Power cable disconnected from power source.
Access door removed (para. 3-10a).
Tag and then remove wires from terminal 4 of TB1 (6) and terminal 6 of switch S 1.
Tag and disconnect secondary leads from transformer connectors (5).
Remove four screws (4), four lockwashers (8), four flat washers (7), and four nuts (9).
Lift away transformer (6) with neoprene backing (2) from cabinet (3).
Change 3 3-72