HL, HI-LO Pressure Control Manifold for PYX Series Pumps Giotors with a hum! TM y- 604 PROGRESS DRIVE, HARTLAND, WI 53029

THE INFORMATION CONTAINED HEREIN IS THE PROPERTY OF HARTMANN CONTROLS INC., AND IS NOT TO BE USED IN A MANNER DETRIMENTAL TO HARTMANN CONTROLS INC. SCMRCHL SOLENOID SELECTED HIGH-LOW COMPENSATOR 604 PROGRESS DRIVE HARTLAND, Wl 53029

THE INFORMATION CONTAINED HEREIN IS THE PROPERTY OF HARTMANN CONTROLS INC., AND IS NOT TO BE USED IN A MANNER DETRIMENTAL TO HARTMANN CONTROLS INC. DWG NO: 53 1 96DIM TITLE: OUTLINE OF ASOLENOID SELECTED HIGH— -LOW PRESSURE CONTROL

2-POSITION, 3-WAY VALVE JIC #4, 37° FLARE MALE CONNECTOR THE INFORMATION CONTAINED HEREIN IS THE PROPERTY OF HARTMANN CONTROLS INC., AND IS NOT TO BE USED IN A MANNER DETRIMENTAL TO HARTMANN CONTROLS INC. DWG NO: 531 96LAY LAYOUT OF A SOLENOID SELECTED HIGH— -LOW PRESSURE CONTROL

PUMP DURING HI-LO SWITCHING; ISO 32 OIL @ 115o F PRESSURE SIGNATURE OF A VARIABLE DISPLACEMENT PISTON PUMP DURING HI-LO SWITCHING; ISO 32 OIL @ 115o F 4000 HI OFF 3500 I 1/ TUTm i • "i 11" HIGH PRESSURE 3000 SETTING

1. RUN PUMP AT FULL FLOW AND DE-ENERGIZE COIL 3. INSERT ALEN WRENCH INTO SCREW HEAD 4. HOLDING TIGHT THE WRENCH, UNLOCK THE JAM NUT 5. WATCHING THE PRESSURE GAUGE TURN ALEN WRENCH GENTLY IN INCREMENTS OF LESS THAN 45°: A. CLOCKWISE TURN INCREASES PRESSURE B. COUNTER-CLOCKWISE TURN DECREASES PRESSURE 6. WHEN DONE, HOLD WRENCH TIGHTLY AND LOCK JAM NUT 7. ALLOW PUMP TO RETURN TO FULL FLOW 1. RUN PUMP AT PULL FLOW AND ENERGIZE COIL 3. INSERT ALEN WRENCH INTO SCREW HEAD 4. HOLDING TIGHT THE WRENCH, UNLOCK THE JAM NUT 5. WATCHING THE PRESSURE GAUGE TURN ALEN WRENCH GENTLY IN INCREMENTS OF LESS THAN...