Filter
Top Products
PN 97999-20
6661AX-X-CPAGE 8OF8
TROUBLE SHOOTING
Product discharged from exhaust outlet.
S Check for diaphragm rupture.
S Check tightness of diaphragm nut.
Air bubbles in product discharge.
S Check connections of suction plumbing.
S Check “O” rings between intake manifold and fluid caps.
S Check tightness of diaphragm nut.
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 forpump cavitation- suctionpipe shouldbe sizedat leastas
large asthe inletthread diameter ofthe pumpfor proper flowif high
viscosity fluidsare being pumped.Suction hosemust be anon-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 Inspectthepumpforsolidobjectsloggedin thediaphragmchamber
or the seat area.
DIMENSIONAL DATA
Dimensions shownare for referenceonly, they areshown in inchesand millimeters (mm).
1/4 -18 N.P.T. AirInlet
Maybetappedfor1”pipe.
AK
E
K
N Bolt Circle
G
H
M
J
C
L
FF
B
D
DIMENSIONS
6661XJ-X
6661XL-X
6661X3-X 6661XS-X 6661XK-X 6661XF-X
6661XP-X 6661X4-X 6661XT-X 6661XN-X 6661XR-X 6661XG-X
A 12-21/32” (321 mm) 12-15/32” (316 mm) 13-5/32” (334 mm) 13-1/32” (331 mm) 13-5/32” (334 mm) 13-1/32 (331 mm)
B 13-25/32” (349 mm) 13-19/32” (345 mm) 13-25/32” (350 mm) 13-19/32” (345 mm) 13-25/32” (350 mm) 13-19/32” (345 mm)
C 10-1/16” (255 mm) 9-15/16” (252 mm) 10-1/16” (255 mm) 9-15/16” (252 mm) 10-1/16” (255 mm) 9-15/16” (252 mm)
D 2-3/8” (60 mm) 2-11/32” (59 mm) 2- 11/32” (59 mm) 2-5/16” (59 mm) 2-11/32” (59 mm) 2-5/16” (59 mm)
E 8-1/16” (204 mm) 7-15/16” (201 mm) 8- 1/16” (204 mm) 7-15/16” (201 mm) 8-1/16” (204 mm) 7-15/16” (201 mm)
F 16” (406 mm) 15-25/32” (400 mm) 14- 13/16” (376 mm) 14-5/8” (371 mm) 16” (406 mm) 15-25/32” (401 mm)
G 5-1/32” (128 mm) 4-31/32” (126 mm) 5-1/32” (128 mm) 4-31/32” (126 mm) 5-1/32” (128 mm) 4-31/32” (126 mm)
H 6-9/32” (160 mm) 6-7/32” (157 mm) 6-9/32” (160 mm) 6-7/32” (157 mm) 6-9/32” (160 mm) 6-7/32” (157 mm)
J 7/16” (11 mm) 7/16” (11 mm) 7/16” (11 mm) 7/16” (11 mm) 7/16” (11 mm) 7/16” (11 mm)
K 15/16” (23 mm) 29/32” (23 mm) 2” (51 mm) 1-25/32” (50 mm) 1-1/32” (26 mm) 1” (25 mm)
L 2-9/32” (57 mm) 2-1/4” (56 mm)
M 1/2” (13 mm) 1/2” (13 mm) 1/2” (13 mm) 1/2” (13 mm) 1/2” (13 mm) 1/2” (13 mm)
N 3.140” (80 mm) 3.097” (79 mm) 3.140” (80 mm) 3.097” (79 mm)
Inlet
Inlet
Outlet
Outlet
(6661XJ-X, 6661XK-X, 6661XS-X) 1 -1 1-1/2 N.P.T.F. - 1
(6661XL
-X,6661XN-X, 6661XT-X)1-11BSRp
(6661X3-X, 6661X4-X, 6661XP-X) 1” A.N.S.I. Flange
(6661XF
-X,6661XG-X, 6661XR-X) 1” A.N.S.I. /DINFlange
Figure 6