4
FAILURE TO INSTALL THE ENGINE SPEED INTERLOCK SYSTEM PROPERLY MAY RESULT
IN PTO DAMAGE.
FOLLOW PTO AND VEHICLE MANUFACTURER PTO INSTRUCTIONS.
HALE PUMPS ARE SHIPPED WITHOUT OIL. FILL GEARBOX WITH FLUID LISTED IN TABLE 5
BEFORE OPERATION.
IF THE DISCHARGE PRESSURE DOES NOT INCREASE, AND INTAKE GAUGE READING
DOES NOT FALL BELOW ZERO (0), OR THE PRIMING PUMP DOES NOT DISCHARGE WA-
TER TO THE GROUND WITHIN 30 SECONDS, STOP THE PUMP AND CHECK FOR AIR
LEAKS.
OPEN AT LEAST ONE DISCHARGE VALVE SLIGHTLY TO PREVENT THE PUMP FROM OVER-
HEATING. OVERHEATING CAN DAMAGE THE PUMP SEAL, AND OTHER PUMP PARTS.
PUMP ASSEMBLY HAS BOTH METRIC AND SAE HARDWARE.
PUMP DISCHARGE PRESSURE SHOULD INCREASE WITH ENGINE SPEED WHEN OPENING
THROTTLE. IF ENGINE SPEED INCREASES WITHOUT INCREASE IN PRESSURE, THE PUMP
MAY BE CAVITATING.
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