Rev.20170601 V1.0E HPC INSTALLATION & OPERATION MANUAL 12
Section Ⅹ - Preventative Maintenance
DAILY CHECKS
Check the active filter's inlet pressure gauge. The 70-00DF(SF) has a system inlet pressure rating of 4.1Bar
(60psi) maximum.
A higher inlet coolant supply pressure must be regulated to ensure the safe operation of the 70-00DF(SF).
PERIODIC CHECKS
Check the oil level and the condition of the oil. An acceptable oil level is 1/2 to 2/3 full as viewed on the oil level
sightglass.
CAUTION
: If you are losing oil from the pump reservoir, but don't see any external leakage, or if the oil
becomes discolored and contaminated, one of the seals may be damaged. Do not operate the pump with a damaged
seal.
CAUTION:
Do not leave contaminated oil in the pump housing or leave the housing empty. Remove contaminated
oil as soon as discovered, and replace it with clean oil.
Visually check the condition of the components in the high pressure coolant circuit. Any worn or damaged hoses
should be replaced. Any leaking fittings should be tightened or replaced. Worn or damaged coolant nozzles can
result reduced system pressure.
Periodically inspect the discharge pressure gauge to verify that the HPC 70-20DF is operating at the desired
pressure.
Do not adjust th Discharge Pressure Regulator Adjusting Nut without a proper orifice restriction (
Φ
2.0mm max)
(0.079") at the coolant outlet in your system. If required, use the 70-20DF Calibrating Orifice and follow the
pressure setting instructions in Section Ⅶ.
CAUTION: Never tighten down the pressure adjusting bolt on the Discharge Pressure Regulator
Adjusting Nut without a proper line restriction.
This can result in an excessive pressure setting and damage
your pumping system or machine. System warranty may also be voided.
To Next Page
Loading...
