4-11 DRAIN ASSEMBLY
See figure 4–4
Model 53029A-20
a.
Disassembly
(1) Using wrench, remove bolts and washers attaching drain
assembly to tank fitting.
(2) Remove drain fitting and attached hardware.
(3) Remove O-Ring from groove in tank fitting.
(4) Turn valve counterclockwise to disconnect it from drain
fitting.
Remove valve.
(5) Turn drain hose counterclockwise to disconnect it from
drain fitting.
Remove hose.
b.
Repair and Replacement
—
(1) Clean all parts by wiping with a cloth.
(2) Inspect all parts for cracks, dents, breaks or wear.
If any parts are no longer serviceable, replace before
reassembly.
NOTE: WRAP MALE THREADS WITH TEFLON TAPE TO ENSURE A POSITIVE SEAL.
c .
Reassembly
(1) Place drain hose on drain fitting. Turn hose clockwise
until tight.
(2) Place valve on drain hose. Turn valve clockwise
until tight.
(3) Lubricate O-Ring with MIL-C-10382 lubricant only. Place
new O–Ring into groove on tank fitting.
(4) Place drain fitting on tank fitting. Make sure hose and
valve will extend from underneath tank.
(5) Place washers over bolts. Insert bolts drain fitting
and into tank fitting. Using wrench, tighten bolts.
Change 1
4-17
