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4. Observe discharge hose and allow
Hale FoamMaster and discharge to
run for several seconds.
NOTE: When the Hale MST is used in
systems for Class B foam
concentrates DO NOT allow the
foam pump to run in the FOAM TANK
position after flushing foam pump.
5. Place the Hale MST to the FOAM
TANK position and allow Hale
FoamMaster to run until Class A foam
solution is discharged through the
foam capable hose line. If Class B
foam concentrate is used shut down
Hale FoamMaster immediately after
switching to FOAM TANK position.
6. Shut down Hale FoamMaster allowing
foam capable discharge to run to
flush out the fire pump discharge
manifold as required. Once clear
water flows, close foam capable
discharge and shut down apparatus.
7. Perform required maintenance
checks on the Hale FoamMaster and
apparatus to return the apparatus to
ready condition.
IMPORTANT: Make sure the Hale MST
is in the FOAM TANK position when
apparatus is placed in ready
condition.
16
MANUAL SINGLE TANK FLUSH SELECTOR
MST
Installation Manual
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