ARO ARO 650718-C Benutzerhandbuch - Seite 8

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Product discharged from exhaust outlet.
Check for diaphragm rupture.
Check tightness of (14) diaphragm screw.
Air bubbles in product discharge.
Check connections of suction plumbing.
Check "O" rings between intake manifolds and fl uid caps.
Check tightness of (14) diaphragm screw.
Dimensions shown are for reference only, they are displayed in inches and millimeters (mm).
N
(air inlet)
M
B
D
H
J
A - 13-1/8" (333.4 mm)
B - 18-3/8" (466.7 mm)
C - 9" (228.6 mm)
D - 2-3/4" (69.9 mm)
E - 14-13/16" (376.2 mm)
Page 8 of 8
TROUBLE SHOOTING

DIMENSIONAL DATA

(material outlet)
A
L
P
(air exhaust)
M
(material inlet)
DIMENSIONS
F - 11-1/2" (292.1 mm)
G - 19-5/8" (498.5 mm)
H - 10-3/4" (273 mm)
J - 12" (305mm)
K - 17/32" (13.5 mm)
Low output volume, erratic fl ow or no fl ow.
Check air supply.
Check for plugged outlet hose.
Check for kinked (restrictive) outlet material hose.
Check for kinked (restrictive) or collapsed inlet material
hose.
Check for pump cavitation - suction pipe should be sized
at least as large as the inlet thread diameter of the pump
for proper fl ow if high viscosity fl uids are being pumped.
Suction hose must be a non-collapsing type, capable of
pulling a high vacuum.
Check all joints on the intake manifolds and suction con-
nections. These must be air tight.
Inspect the pump for solid objects lodged in the dia-
phragm chamber or the seat area.
Q
(pressure relief valve)
E
G
K
L - 7-5/8" (193.7 mm)
M - 1-1/2 - 11-1/2 N.P.T.F. - 1
N - 1/2 - 14 N.P.T.F. - 1
P - 3/4 - 14 N.P.T.F. - 1
Q - 1/4 - 18 N.P.T.
F
C
Figure 5
PN 97999-1064
650718-C (en)