Samson 1634666, Instruction Manual, Page: 8 / 12

M6 set screw
Note:
Capacity curve
• Install the vacuum limiter on the suction line by using the 1” BSP thread.
• Connect the hose to the suction line by using the 1/8” BSP nipple hose and the two straps, which are
included in the kit.
• If you have an exsisting installation, you are able to use M6 nipple hose on your suction line.
Step 1) When the pump is running, close the valve by turning the M6 set
screw counter clockwise (-direction)
Step 2) Open the valve by turning the set srew clockwise (+direction), until
the required set pressure is reached.
It is recommended to adjust the valve to the lowest set pressure as possible to avoid cavitation in the pump
and unacceptable noise from the air inlet.
3.1 Installation
3 INSTALLATION & ADJUSTMENT
3.2 Adjustment
DOC1634666_2
DOC1627080 DOC1627077
A failure to comply the adjustment described below, may result in damage to the
vacuum limiter.
• The vacuum limiter may not be installed if it is damaged.
• Repair of vacuum limiter used in Ex zones is not allowed.
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