Heidolph Pump Heads - Manual (Page 49)

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49
3.4. SP standard (fig. 26)
-
Loosen knurled nuts (22 & 23) to remove
clamping lever (20) and cover (21). Seat
tube (17) in tube bed (180 degrees loop),
rotate rotor (24) by hand until hose (17) is
pulled into the gap between the rollers (25)
and tube bed (26).
-
Check tube being squeezed poperly by
rotating the rotor (24) through several
revolutions.
-
Install clamp lever (20) and cover (21); hold
both tube ends tight while tightening knurled
nut (23).
-
Holding tube ends tight over the rollers (25)
will make sure both rollers (25) are centered
over the tube (17) which is an essential
requirement for proper feeding action and
standstill sealing.
-
Do a short test run (function test).
3.5. SP vario (fig. 27)
-
The SP vario pump head accepts tubes of different wall thicknesses. Adjustment uses
knurled knob (27).
-
Set clockwise rotation with selector (31), refer to figs. 47, 49 and 51
-
Uninstall clamp lever (20), cover (21) by loosening knurled nuts (22 & 23).
-
Set clearance to max. tube thickness with knurled knob (27); rotate in ”+“ direction
-
Introduce a 180 degrees tube (17) loop in tube bed, rotate rotor (24) by hand until tube (17)
is pulled into the gap between rollers (25) and tube bed (26).
-
Run rotor (24) through several revolutions until tube is squeezed over its entire width.
-
Energize pump on condition.
fig. 26
26
21
24
22
17
23
20
25