TM 10-4930-236-13&P
4-12. JUNCTION BOX MAINTENANCE
This task consists of:
a.
Test
b.
Repair
c.
Removal
d.
Installation
INITIAL SETUP
Tools Required
General Mechanic Tool Kit (Appendix B, Section III, Item 3)
Multimeter (Appendix B, Section III, item 11)
Soldering Iron (Appendix B, Section III, Item 12)
Materials/Parts Required
Silicone Compound (Appendix E, Section II, Item 5)
Solder (Appendix E, Section II, Item 3)
Heat Shrink Insulation (Appendix E, Section II, Item 10)
O-Ring Packing (1) (Appendix F)
Lockwashers (Appendix F)
Equipment Condition
Pumping Unit Shutdown
General Safety Instructions
WARNING
Low Voltage can cause injury or death.
Silicone Compound is toxic to skin, eyes and respiratory tract.
Avoid fumes Generated by soldering.
TEST
a.
K1 Relay Test Procedure.
(1)
Place ON-OFF switch in OFF position.
(2)
Disconnect power cable from J2.
(3)
Unscrew and remove. cover (1) with O-ring packing (2) from junction box (3).
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