TM 10-4320-303-13
Table 2-7. Operator Preventive Maintenance Checks and Services for TWDS. (Continued)
Location
Item
No.
Interval
Item to Check/Service
Procedure
Not Fully
Mission Capable
if:
10-MILE HOSELINE
STATION-CONT
31
During
Pressure Relief
Inspect valve for presence of
Dirty pressure
Valve
grit, sand, or dirt. If
relief valve.
dirty, clean using soft
Pressure relief
brush. Inspect for damage or
valve damaged or
leaks. If damaged or Class
Class III leak.
III leaks are present, notify
supervisor.
32
During
Pressure-Reducing
Inspect skid for cracks and
Skid has crack
Valve Assembly
damaged welds. Inspect
or damaged
valves, lines, and assembly
welds. Valve
for damage and leaks. If
and lines are
skid is damaged, valve is
damaged.
damaged, or Class III leaks
Isolation cock
are present, notify
valve(s) is
supervisor. Make sure
closed. Class
isolation cock valves are
III leak.
open.
BOOST PUMPING
STATION
2-25