TM 10-6640-216-13&P
4-16. REMOVE/INSTALL PURGE PORT DAMPER ASSEMBLY.
This task covers:
a. Removal
b. Disassembly
c. Assembly
d. Installation
INITIAL SET-UP
Tools Required
General Mechanics Tool Kit, Appendix B, Item 1
Personnel Required
Two
General Safety Instructions
WARNING
ELECTRICAL SHOCK
Before performing any maintenance actions on electrical equipment,
ensure all electrical power has been turned off. Death or serious
injury may occur from failure to do this.
Equipment Condition
All power to laboratory turned off by shutting down the external generator.
NOTE
Refer to F0-1 Electrical Schematic for electrical disconnections/
connections required.
REMOVAL
Remove the purge port damper assembly. See figure 4-7
a.
Disconnect damper motor electrically from distribution box and tag for reconnection.
b.
Open purge port door, remove four screws and flat washers from filter.
c.
Remove filter and set aside for reassembly
d.
Remove four screws that extend through door hinge, damper flange, purge opening
frame and laboratory wall. Remove nut and two flat washers from each screw. Drill out
two rivets.
e.
Remove damper housing with motor attached from purge opening in laboratory wall.
DISASSEMBLY
1.
Remove purge door limit switch. See figure 4-7
a.
Disconnect purge door limit switch electrically from distribution box.
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