REED B20HP, Manual

Page: 35 / 261

OPERATION and MAINTENANCE
Rev * 34 of 54
www.reedpumps.com
(909)287-2100
OPERATION OF CONTROLS
THE HOPPER GRATE MUST BE CLOSED (There is a safety interlock that guards against the
opening of the mixer grate.
SYSTEM START-UP
Turn Pump ON Only When Hopper Is Full of Concrete
Ensure the following conditions are met before activating pump:
o
PUMP Switch Is “OFF”
o VOLUME CONTROL Is Set To MINIMUM
o AGITATOR Control Is placed in the “OFF” Position
o
EMERGENCY STOPS Are Not Activated
o
Controls “On” LOCAL Position
1. Turn KEY operated SYSTEM POWER Switch to “ON”
2. Turn KEY switch to start engine
3. Activate the HORN/RESET to prepare the concrete pump for operation
4. After engine warms up, increase RPM to desired engine RPM by adjusting THROTTLE
CONTROL
5. Adjust VOLUME CONTROL to low output when starting pumping operations
6. Switch PUMP Switch to “ON” to pump concrete when hopper is full, maintain full level
7. Closely monitor the PUMP pressure gauge while pumping
8. Turn PUMP Switch to “REVERSE” to reverse the pumping action if necessary.
REVERSE function is typically used to relieve pressure in the delivery line in the event of
a blockage. A blockage will generally result in the main hydraulic system reaching
maximum pressure as indicated on the PUMP PRESSURE GAUGE
9. Turn PUMP Switch “OFF” to stop cycling and stop pumping concrete
10. In the event of an emergency, push the “EMERGENCY STOP” Button” IN” to stop all
functions of the concrete pump. Pull the “EMERGENCY STOP” Button “OUT” to enable
system to reset; Horn/Reset function must be activated to reset pump operation.
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