TM 5-3895-370-14&P
2-20. CIRCULATING BITUMINOUS MATERIAL.
a.
Introduction. Prior to operating distributor, circulate material from the supply tank through the pump and back to
the supply tank in order to warm piping. Establish application rate (para 2-13) before beginning circulation procedures.
b.
Circulating Bituminous Material.
WARNING
System is under extreme pressure and high temperature. Ensure that all locking
levers are fully engaged and secured with the locking wire or severe injury or death
to personnel may occur.
CAUTION
Material should only be circulated through the pump, not through the spraybar, or
clogging may result.
NOTE
Refer to para 2-16 for the proper and safe procedure to disconnect bituminous
hoses.
(1)
Connect hose (1) to distributor inlet port (2) and outlet port (3) on supply tank (4).
(2)
Connect hose (5) to distributor outlet port (6) and inlet port (7) on supply tank (4).
(3)
Start engine (para 2-14) and idle at 1200 RPM.
(4)
Open inlet valve (7) on supply tank (4) then open outlet valve (3).
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