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TM 10-3835-231-13
2-6. OPERATING PROCEDURES. - continued
CAUTION
PURGING OF METER SKID ASSEMBLY
Very low flow rates (approximately 50 gpm maximum) must be maintained during
the purge and fill operation until air has been fully purged from the meter skid
assembly and the upstream hose line. High airflow through the meter skid
assembly may overspeed and ruin the meter.
4
Crack open (28) at the switching manifold very slowly. The switching manifold up to valves (28), (29),
or (30) must be fully flooded and air free. After meter skid is flooded the valve should be slowly
opened fully.
5
Air and vapor will flow to tank (31) and through its vent.
6
When a steady flow of fuel enters the tank (31) and the venting rate has dropped, allow approximately
one to two feet of fuel to accumulate for upstream purging through pump (32). Open valve (33) and
close valve (27).
7
When a steady flow of fuel enters the tank (34) and the venting rate has dropped, allow approximately
two feet of fuel to accumulate in tank. Open valves (35) and (36) in preparation for the initial purge of
the second tank farm (module) assembly.
8
Open valve (37) slowly and close valves (25), (26), and (33). Air will flow into tank (38) and through
its vent.
9
When a steady flow of fuel enters the tank (38) and the venting rate has dropped, allow about two
feet of fuel to accumulate in tank.
10
Open valve (39) and then close valve (36). When a steady flow of fuel enters tank (40) and the
venting rate has dropped, allow about two feet of liquid to accumulate in tank.
11
Open valves (41) and (42). Slowly open valve (43,1 and purge into tank (44). Close valves (39),
(35), and (37).
12
When a steady stream of fuel enters tank (44) and the venting rate has dropped, allow about two feet
to accumulate in tank.
13
Open valve (45) slowly and close valve (42).
14
When a steady stream of fuel enters tank (46) and the venting rate has dropped, allow about two feet
to accumulate in tank.
15
Shut down pump (14).
CAUTION
BLOCKED IN PRESSURE
Trapping high pressure between closed valves can damage equipment.
16 Close valves (1), (2), (4), (5), (10), (6), (7), (9), (8), (28), (43), (41), and (45).
2-56
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