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When reducing pressure ALWAYS use the capstan (by winding
out counter-clockwise). NEVER use any of the valves.
When reducing from high system pressures, some pressure is
still retained in the system, even after winding the capstan fully
out (approximately 700 psi / 50 bar). To release this pressure
see note below.
To reduce pressure to zero, wind the capstan fully out anticlockwise. Open
HP valve (1) SLOWLY and fully counter-clockwise. Open reservoir valve
(3), four turns anticlockwise.
Figure 3-8. Correct Float Position
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15
10
20
5
25
0
30
W Caution
Note
ADJUST FLOAT HEIGHT OF
PISTON SO THAT THE
UNDERSIDE OF THE BOTTOM
WEIGHT LINES UP WITH THE
MID-FLOAT REFERENCE.
Operation
Generating Calibration Pressure
UPPER TRAVEL LIMIT
MID FLOAT POSITION
LOWER TRAVEL LIMIT
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