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PD15P-XPage 8 of 8
TROUBLE SHOOTING
Product discharged from exhaust outlet.
S Check for diaphragm rupture.
S Check tightness of (6) diaphragm washer.
Air bubbles in product discharge.
S Check connections of suction plumbing.
S Check “O” rings between intake manifold and inlet side fluid caps.
S Check tightness of (6) diaphragm washer.
Motor blows air or stalls.
S Check (176) check valve for damage or wear.
S Check for restrictions in valve / exhaust.
Low output volume, erratic flow, or no flow.
S Check air supply.
S Check for plugged outlet hose.
S Check for kinked (restrictive) outlet material hose.
S Check for kinked (restrictive) or collapsed inlet material hose.
S Check for pump cavitation -- suction pipe should be sized at least as
large as the inlet thread diameter of the pump for proper flow if high
viscosity fluids are being pumped. Suction hose must be a non-col-
lapsing type, capable of pulling a high vacuum.
S Check all joints on the inlet manifolds and suction connections.
These must be air tight.
S Inspect thepumpfor solid objectslodged in the diaphragmchamber
or the seat area.
DIMENSIONAL DATA
(Dimensions shown are for reference only, they are displayed in inches and millimeters (mm).
Figure 4
Air Inlet 1/2 - 14 N.P.T.
Exhaust Port 3/4 - 14 N.P.T.
1-1/2” A.N.S.I. / DIN Flange
B
D
K
C
A
P
Q
N
G
L
H
A - see below E - 11” (279.5 mm) J - 10-1/32” (254.8 mm) N- 11-3/8”(288.4 mm)
B - 21-15/32” (545.3 mm) F - 10-1/2” (266.3 mm) K - 9/16” (14.3 mm) P - 9-1/32” (229.5 mm)
C - 14-15/16” (379.4 mm) G - see below L - see below Q - see below
D - 3-9/32”
(83.3 mm) H - 8-11/16” (220.7 mm) M - 17/32” (13.0 mm) R - see below
DIMENSIONS
“A” “G” “L” “Q” “R”
PX15P-F
XS-XXX 20-15/16” (531.6 mm) 24-15/32” (621.5 mm) -- -- -- -- -- -- -- -- -- -- 4- 7/ 16 ” (112.4 mm)
PX15P-YXS-XXX 18-19/32” (472.3 mm) 24-19/32” (624.5 mm) 1-3/8” (34.9 mm) 18-3/32” (459.0 mm) 2-3/32” (53.1 mm)
B
D
M
H
J
F
E
N
G
K
CR
P
A
M
J
F
E
R
Exhaust Port 3/4 - 14 N.P.T.
Air Inlet 1/2 - 14 N.P.T.
1-1/2” A.N.S.I. / DIN Flange
PX15P-FXS-XXX PX15P-YXS-XXX
Outlet
Inlet
Outlet
Inlet
PN 97999-1055