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4.4 MAINTENANCE INTERVALS AND CHECK ITEMS
Maintenance Intervals/
Check items
Keep the vacuum lid
open after finished
working and let
vacuum pump running
about 15 minutes.
Check the oil level
Check the sound of
motor
Oil come out from
exhaust cover or not
Bottom sealing bar
working normally or
not
Clean the exhaust filter
Change vacuum oil
Replace exhaust filter
Replace Teflon tape
Replace sealing
Silicone rubber
Replace lid gasket
rubber
Replace pressure bag
Replace vanes
Above-mentioned maintenance intervals are scheduled basically for 8 working hours per day.
Recommended oil :
A. Grav. API 30.5
Daily
Bimonthly
X
X
X
X
X
X
X
-15 ℃
Pour Pt.
Flash Pt.
225℃
Viscosity
32.05 CST@40℃
Color
Light Yellow
V.I.
100
Yearly
Biyearly
Quarterly
X
X
X
X
17
3 ~ 5 years
As request
As request
As request
X
As request
X
Note
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