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4-8.
EMERGENCY REPAIRS TO TANK ENVELOPE. (Cont'd)
(2)
Loop cord at top of clamp around wrist to prevent loss of clamp into tank.
(3)
Slip bottom half of clamp inside tank. If tear is too small for clamp to slip through, use a pocket knife to
enlarge tear to accommodate width of clamp.
(4)
Rotate clamp so that its length runs with tear. Pull bottom half of clamp up against fabric. Slide top half
down and over stud.
(5)
Tighten wingnut by hand until leak stops. If more tightening is necessary, use pliers. Do not overtighten.
4-9.
VENT ASSEMBLY. See figure 4-2.
a.
Disassembly.
(1)
Disconnect female coupling from flange adapter by pulling outward on cam arms. Lift female coupling
from adapter. Remove gasket from female coupling.
(2)
Remove vent standpipe from coupling by turning counterclockwise.
(3)
Separate relief valve from vent pipe by turning valve counterclockwise.
(4)
Using wrench, remove bolts and washers. Lift flanged adapter from tank fitting.
(5)
Remove O-ring from groove in tank fitting.
b.
Repair and Replacement.
(1)
Clean all parts by wiping with a cloth.
4-12
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