INFICON UL1000 Helium leak detector - Manual (Page 112)

112
Maintenance Work
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Required tools
Side wall separator
Through the oil level viewing glass of the backing pump D16B the oil level and the
colour of the oil can be checked visually. The oil level of the vacuum pump must be
within the minimum and maximum marks. For this refer to
Fig. 9-6 /3-5.
Notice: Check and top up oil only after the pump has been switched off!
• If the oil level is below the minimum mark, top up oil. For this note the instructions
given in
9.11 .
9.11 Oil Change for the D16B
The oil must be exchanged when it looks contaminated or is chemically or
mechanically worn out.
Fig. 9-6 Oil change for the D16 B
Item Description Item Description
1 Oil fill opening 4 Oil level viewing glass
2 Oil drain plug 5 Minimum oil level mark
3 Maximum oil level mark
1
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3
4
5