12
VALVE OPERATION (CONTINUED)
B. VALVE OPERATION (PLATFORM/BOOM OPTION)
1. DISCHARGE THROUGH BOOM
Flow is through boom with no flow through the closed recirculation valve and pump take
off valve (see Figure 3). Flow through boom is controlled by engaging (turning on) and
disengaging (turning off) the slurry pump clutch and adjusting the engine RPM's.
Do not use the discharge valve to control distance. Valve should be
completely open. Control the spray volume and spray distance by
adjusting the engine RPM.
2. EXTENSION HOSE OR HOSE REEL THROUGH REMOTE PORT
Flow is through the open recirculation valve and pump take off valve with no flow
through the closed upper discharge valve (see Figure 4). Flow through extension hose is
controlled by the remote valve at end of hose and an open recirculation valve allows flow
back into tank.
CLOSED
FLOW
OPEN
FLOW
CLOSED
OPEN
UPPER
DISCHARGE
VALVE
PUMP
TAKE OFF
VALVE
RECIRCULATION
VALVE
OPEN
PUMP
TAKE OFF
VALVE
FLOW
Figure 3 – Discharge Through Boom Figure 4 - Discharge Through Extension Hose or
Hose Reel Through Remote Port
Recirculation valve must be open and material must be flowing back
into tank when using a remote valve. A closed or plugged
recirculation line will cause extreme heat. Failure to comply could result in death or
serious injury. Failure to comply could also result in product or property damage.
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