TM 10--3510--221--24
0112 00--1
SECURING LADS ELECTRICAL POWER
0112 00
THIS WORK PACKAGE COVERS:
Securing LADS Electrical Power
INITIAL SETUP:
Maintenance Level
Materials/Parts
Unit
Tools and Special Tools
Equipment Conditions
Multimeter (Item 2, WP 0272 00)
Padlock (Item 12, WP 0272 00)
WARNING
This procedure is used to prevent electrical power from inadvertently being applied
while maintenance is being performed on LADS equipment. When LADS electrical
power is secured using this procedure, 208 VAC electrical power will still be applied
to input side of disconnect switch at main electrical enclosure.
1. Position CONTROL POWER switch (WP 0009 00, Figure 1, 3) to OFF.
2. At main control enclosure (1) turn handle (2) past OFF position.
3. Loosen eleven latches (3), then open door (4) on main control enclosure (1).
4. Using a multimeter verify that voltage is not present at output terminals (5) of disconnect switch (6).
NOTE
If maintenance is to be performed inside main control enclosure the remaining
portion of this procedure need not be completed.
5. Turn handle (2) CW, then close door (4).
6. Secure door (4) to main control enclosure (1) by tightening eleven latches (3).
7. Push out on lever (7) so that it engages with notch (8).
8. Insert a padlock between lever (7) and handle (2).
