ARO ARO PH10A-BSS-HHT Gebruikershandleiding - Pagina 8
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Product discharged from exhaust outlet.
Check for diaphragm rupture.
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Check tightness of bolt (14).
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Air bubbles in product discharge.
Check connections of suction plumbing.
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Check "O" rings between intake manifold and fluid caps.
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Check tightness of bolt (14).
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Pump blows air out main exhaust when stalled on either stroke, a
typical cause of pump malfunction can be attributed to problems
with "O" rings.
Segments of broken "O" rings can move around or lodge in areas of
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the air motor valve section.
Swollen "O" rings can cause valve parts to stick or seize. Solvents
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can ruin the "O" rings.
Do not use contaminated air supply.
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Do not use light weight oil in air supply, it will wash the Key-Lube
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grease out of the air motor section.
12-9/16"
(318.7 mm)
2"
(50.4 mm)
PH10A-ASS-XXT
PH10A-BSS-XXT Rp 1 (1 - 11 BSP parallel)
Page 8 of 8
TROUBLE SHOOTING
DIMENSIONAL DATA
Dimensions shown are for reference only, they are shown in inches and millimeters (mm).
16-1/16"
(407.4 mm)
13/32" Slot
(9.9 mm)
11-5/8"
(295.3 mm)
Material Inlet
Material Outlet
1 - 11-1/2 N.P.T.F. - 1
1 - 11-1/2 N.P.T.F. - 1
Rp 1 (1 - 11 BSP parallel)
Do not use air line additives containing solvents.
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Do not spray pump off with solvents, wipe clean only.
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Check "O" rings on (111) spool in major valve.
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Check (103) sleeve and (2) "O" ring on (1) rod.
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Check (168) "O" rings on (167) pilot piston for wear.
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Low output volume.
Check air supply.
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Check for plugged outlet hose.
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For the pump to prime itself, it must be mounted in the vertical posi-
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tion so that the balls will check by gravity.
Check for pump cavitation -- suction pipe should be 1" minimum or
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larger if high viscosity fluids are being pumped. Suction hose must
be non-collapsible type, capable of pulling a high vacuum.
Check all joints on intake manifolds and suction connections. These
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must be airtight.
Check for sticking or improperly seating check valves.
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If pump cycles at a high rate or runs erratically, check (168) "O" rings
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for wear.
Material Outlet
7-17/32"
(190.8 mm)
Air Inlet 3/8 - 18 N.P.T.F. - 1
Material Inlet
8"
(203.2 mm)
13-5/8"
(346.1 mm)
6-17/32"
(166.1 mm)
8-3/16"
(207.8 mm)
PH10A-XXX-XXX (en)
Figure 5
PN 97999-801