00191376-07.pdf - 第58页
7 4-monthly maintenance jobs HS Preventive Maintenance 01/2006 US E dition 58 7
HS Preventive Maintenance 7 4-monthly maintenance jobs
01/2006 US Edition
57
Vacuum generator 7
: Detach the vacuum generator hoses (if this has not already been done).
Use suitable pliers to do this. 7
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We recommend that you label or otherwise mark the compressed air hoses before you remove
them. 7
On the DLM1 heads, the hoses are already labeled and have a fixed assignment. 7
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a Unscrew the block with the 2 Venturi nozzles using a 2.5 mm hexagon socket spanner.
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7 4-monthly maintenance jobs HS Preventive Maintenance
01/2006 US Edition
58
7
HS Preventive Maintenance 7 4-monthly maintenance jobs
01/2006 US Edition
59
: Carefully clean the Venturi nozzles using a lint-free cloth moistened with ethyl alcohol.
: Blow through the Venturi nozzles with compressed air.
: Lightly grease the O-rings of the vacuum generator with UNISILKON L250L.
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: Clean the vacuum generator block with a cottonwool bud moistened with ethyl alcohol and
blow through with compressed air.
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: Place the cleaned parts of the vacuum generator on a clean surface.
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