Servicing
Vacuum Pump System SC/SEM/SH/SR950
50
Translation of original Operating Instructions, English, KNF 125549-125552 07/18
1. Head 1 (Fig. 24/
I
):
Use a lead pencil (
M
) to apply a single mark across the head
plate, intermediate plate, and compressor housing.
2. Head 2 (Fig. 24/
II
):
Use a lead pencil (
M
) to apply two marks across the head plate,
intermediate plate, and compressor housing.
3.
Head 3
(Fig. 24/
III
):
Use a lead pencil (
M
) to apply three marks across the head
plate, intermediate plate, and compressor housing.
4.
Head 4
(Fig. 24/
IIII
):
Use a lead pencil (
M
) to apply four marks across the head
plate, intermediate plate, and compressor housing.
During re-assembly, refer to the marks on the individual
heads to ensure that the parts are properly re-assembled.
5. Loosen the 16 attachment screws (Fig. 22/
2
) on the heads (
1
to
4
) and remove the heads (
1
and
2
as well as
3
and
4
).
6. Pull apart heads 1 (Fig. 25/
I
) and 2 (
II
) and heads 3 (
III
) and 4
(
IIII
) and remove O-rings (
4
).
Fig. 24: Removing the O-rings
7. On all four heads, loosen the head screw (Fig. 26/
1
) in the
head plate (
3
) and remove the head plate from the
intermediate plate (
7
).
Содержание SC 950
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