TM 9-2330-267-14&P
4-56. WATER TANK BODY MAINTENANCE (FIBERGLASS).
This Task Covers:
a.
Removal
c.
Installation
b. Cleaning and Refinishing Interior
Initial Setup:
Equipment Conditions:
l Piping and faucets removed (para 4-58)
Tools/Test Equipment:
l General mechanic’s tool kit
l Abrasive mask
l Air filter
l Apron
l Blower
l Canvas sleeves
l Fresh air mask
c Overhead hoist and sling, 10 ton
@ Rubber gloves
l Safety rope
l Safety shoes
Materials/Parts:
l Adhesive (Item 1, Appendix E)
l Scrub brush (Item 4, Appendix E)
l Cleaning compound (Item 5, Appendix E)
s Abrasive cloth (Item 6, Appendix E)
l Rags (Item 18, Appendix E)
l Sandblast sand (Item 20, Appendix E)
l Soap (Item 22, Appendix E)
l Bleach (Item 23, Appendix E)
l Lockwire (Item 29, Appendix E)
l One gasket set repair kit
l Four mounts
Personnel Required: Two
References:
l FM 21-10
a.
REMOVAL
1.
Remove nut (12), washer (13), and gasket (14) from spacer sleeve (11). Discard washer and gasket.
WARNING
NEVER WORK ALONE INSIDE tank assembly. A safety rope must be secured around
chest and under arms of person entering tank assembly; opposite end of safety rope
must be held by a person stationed at the manhole opening. This will allow for quick
removal of a person in tank assembly in the event of accident or personal injury.
Personnel must wear rubber gloves, canvas sleeves, safety shoes, rubberized apron
or jacket, and protective mask while performing abrasive cleaning operation. A
portable air filter also must be used. Failure to follow this warning may result In injury
to personnel.
An adequate air evacuation system must be used to quickly exhaust fumes from
inside tank assembly. Failure to follow this warning may result in injury to personnel.
Nozzle pressure must not exceed 35 psi (241 kPa); do not hold spray nozzle on any
one area for extended periods of time. Failure to do so may result in tank rupture or
damage and possible injury to personnel.
2.
Remove gasket (10) and spacer sleeve (11) from inside water tank body (1). Discard gasket.
3.
Remove drain plug (20), nut (19), washer (18), and gasket (17) from sleeve (15). Discard washer
4-106
and gasket.
