6-18. General
Section V. TANKS AND FRAME
(total
of
8
holes
required).
See
figure
6-18
for
The tank shells are of durable aluminum con-
struction; the frame is of welded sheet metal. The
t a n k a n d f r a m e s w i l l r e q u i r e a m i n i m u m of
maintenance. Make certain every safety precaution
is taken prior to attempting any repair on a tank.
6-19. Welding Repairs
a. Tanks. No repair will be initiated until the
tank has been thoroughly vented and cleaned.
Before attempting any welding repair on the tank.
drill four ½ inch diameter drain holes in each skid
location of drilling points. If there is evidence of
fuel inside the skids when holes are drilled, purge
t h e s k i d s b y s t e a m c l e a n i n g o r o t h e r s u i t a b le
method. Test for leaks by filling the tank ap-
proximately ¼ full of water; seal all holes in skid
except one and apply compressed air. Observe
interior of tank for bubbles. Observe necessary
precautions and weld damaged area in accordance
with standard techniques. Refer to paragraph 6-
19d for welding precautions.
Figure 6-18. Skid drain holes diagram. (8 holes required).
6-18
