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HI-TECH
VACUUM
Inc.
1- Open the back panel (key or socket 5/16).
OIL FILL CAP
OIL EYELET
OIL EYELET
Please refer to the pump manual for other pump maintenances.
Note: The illustrations above might look different from you model.
!
ALWAYS DISCONNECT THE UNIT FROM THE ELECTRICAL
OUTLET BEFORE OPENING THE PANEL.
2- Open the drain cap and drain the old oil
OIL DRAIN CAP
OIL CHANGE QUICK REFERENCE
OIL DRAIN CAP
OIL EYELET
OIL EYELET
NEL 216/219 MODELS
3- Fill with Busch R-580 oil (the oil level
should not be higher than 3/4 of the oil
eyelet).
OIL FILLING
OIL EYELET
max
3/4
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