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(4)
Adjustment of maximum and minimum flows
Adjustment of maximum flow
①
Adjust it by loosening the hexagon nut
(808) and by tightening (or loosening)
the set screw (954).
The maximum flow only is adjusted
without changing other control charac-
teristics.
Speed
Adjustment of max flow
Tightening
amount of
adjusting screw
(954)
(min
)
(Turn)
-1
1900
+1/4
Adjustment of minimum flow
②
Adjust it by loosening the hexagon nut
(806) and by tightening (or loosening)
the hexagonal socket head set screw
(953). Similarly to the adjustment of the
maximum flow, other characteristics are
not changed.
However, remember that, if tightened too
much, the required horsepower during
the maximum delivery pressure (or
during relieving) may increase.
Speed
Adjustment of min flow
Tightening
amount of
adjusting screw
(953)
(min
)
(Turn)
-1
1900
+1/4
Flow change
amount
ℓ/min
(
)
-3.0
Flow change
amount
(
ℓ/min
)
+3.0
2-19
954
808
Delivery pressure, P
953
806
Delivery pressure, P
140Z92MP23
i
140Z92MP24
i
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