ARO ARO 66M3X0-XXX-C Manuel de l'opérateur - Page 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 manifold and fl uid caps.
Check tightness of (14) diaphragm screw.
Dimensions shown are for reference only, they are displayed in inches and millimeters (mm).
M -
Exhaust port
L -
A - 22-7/32" (563.9 mm)
B - 26-13/16" (680.3 mm)
C - 11-1/8" (281.9 mm)
D - 2-3/4" (69.9 mm)
Figure 5
Page 8 of 8
TROUBLE SHOOTING
DIMENSIONAL DATA
Material outlet
B
A
C
J
DIMENSIONS
E - 16" (406.4 mm)
F - 11" (279.4 mm)
G - 32-5/8" (828.4 mm)
H - 30-11/32" (770.7 mm)
66M300-XXX-C
3 - 8 NPTF - 2
66M320-XXX-C
Rp 3 (3 - 11 BSP, parallel)
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
volume.
Check all joints on the inlet manifolds and suction connections.
These must be air tight.
Inspect the pump for solid objects lodged in the diaphragm
chamber or the seat area.
K -
Air inlet
H
G
J - 18-25/32" (476.8 mm)
K - 3/4 - 14 NPTF - 2
L - see below
M - 1-1/4 - 11-1/2 NPTF - 2
"L"
E
D
F
PN 97999-1398
66M3X0-XXX-C (en)