National Vacuum Equipment 607 challenger series Owner's Manual And Operating Instructions - page 12
12
| 607 Challenger
Series
www.natvac.com | 800.253.5500
Adjusting Factory Oil Settings
The automatic oil pump is a metered piston-type pump Before
adjusting the oilers, please follow these basic trouble shooting steps
If after following these steps it is determined that an oil adjustment is
needed, then please follow the basic steps below
1 Make sure the pump (tank) is not under vacuum
between jobs
2 Fill the oil tank to the top at night Check the oil level
before service the next day to ensure no internal leak-
ing
3 Monitor the period of use and measure the oil required
to replenish the tank (this should be 12 oz - 15 oz per
hour) Compare this with the oil collected from the oil
catchmuffler.
1 Disconnect the hose running from your remote oil
reservoir to the pump intake
2 Oilflowischangedbyadjustingthelengthofthestroke
of the piston
3 To adjust the oil rate, remove cap [P16] Under this cap
youwillfindajamnut[P15]andadjustingscrew[P11]
4 Loosen the jam nut and turn adjusting screw clockwise
toreduceoilfloworcounterclockwisetoincreaseoil
flow.
5 When making adjustments do so one turn of the screw
at a time and test before making further adjustments