GUSMER H-2000 - Proportioning System; Figure 24. Proportioning System

Model H-2000/H-3500 Proportioning Unit
30 159421A-1, Issue 2
Proportioning System
Figure 24. Proportioning System
1. A-Pump Base
R-Pump Base
(Not shown, located on far side)
6. Rocker Arm
2. A-Discharge Ball Check Valve
R-Discharge Ball Check Valve (Not
shown, located on far side)
7. Reversing Plate
3. A-Inlet Ball Check Valve
R-Inlet Ball Check Valve
(Not shown, located on far side)
8. 24 Volt Pump Circuit Transformer
Fuse
4. R-Over-pressure Safety Switch
5. A-Over-pressure Safety Switch
9. A-Material Supply Ball Valve
R-Material Supply Ball Valve
(Not shown, located on far side)
WARNING: B
EFORE PERFORMING THESE TROUBLESHOOTING PROCEDURES
,
DETERMINE
THAT ALL CIRCUIT BREAKERS ARE OFF AND MAIN POWER IS DISCONNECTED AT THE SOURCE TO
AVOID SEVERE BODILY INJURY FROM ELECTRIC SHOCK
. D
O NOT ENTER THE ELECTRIC
CONSOLE WITH THE POWER ON
. B
EFORE OPENNING ANY HYDRAULIC CONNECTIONS OR
SERVICING THE PUMP OR PUMP BASE
,
THE OPERATOR MUST USE EXTREME CAUTION TO INSURE
THAT THE PRESSURE IN BOTH THE SUPPLY AND DELIVERY SIDES OF THE PUMP HAS BEEN BLED
OFF TO ZERO TO AVOID SERIOUS BODILY INJURY FROM FLUID INJECTION
. N
EVER SERVICE
COMPONENTS CONTAINING CHEMICALS WITHOUT WEARING PROPER PROTECTIVE EQUIPMENT
.