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Scheduled Maintenance
100 Hour Maintenance
Perform all daily maintenance along with the items
outlined in this section.
• Change crankcase lubricating oil after the rst
100 hours when the pump is new and every
500 hours thereafter.
• Service the UNI-VALVES. Refer to High Pres-
sure Pump UNI-VALVE Service in this manual
and the high pressure pump operation and
maintenance manual for instructions and ad-
ditional information.
Important:
Make sure to install the safety plug in crank-
case drain valve when oil draining is com-
plete. The safety plug prevents crankcase
oil from draining if the valve is accidentally
opened.
200 Hour Maintenance
Perform all daily and 100 hour maintenance along
with the items outlined in this section.
• Check pulley clearances and drive belt tension.
• Check and tighten all mounting bolts and
hardware.
• Check and tighten plunger coupling bolts.
• Inspect and lubricate the diverter valve to keep
it operating properly.
• Inspect and lubricate the manual bypass valve
to keep it operating properly.
500 Hour Maintenance
Perform all daily, 100 and 200 hour maintenance
along with the items outlined in this section.
• Change crankcase lubricating oil.
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