66605X-X(en)Page 8 of 8
TROUBLE SHOOTING
Productdischarged from air exhaust.
SCheckfor diaphragm rupture.
SChecktightness of (6) diaphragm nut.
AirBubbles in Product Discharge.
SCheckconnections of suction plumbing.
SCheckband clamps on intake manifold.
SCheck“O” rings between intake manifold and fluid caps.
SChecktightness of (6) diaphragm nut.
Pumpblows air out main exhaust when stalled on either stroke.
SCheck“U” cups on (111) spool in major valve.
SCheck(141) valve plate and (140) insert for wear.
SCheck(103) sleeve and (2) “O” ring on diaphragm connecting rod.
SCheck(119) “O” rings on (118) piston for wear.
Lowoutput volume.
SCheckair supply.
SCheckfor plugged outlet hose.
SForthe pump to prime itself, it must be mounted in the vertical posi-
tionso that the balls will check by gravity.
SCheckfor pump cavitation --suction pipe should be 1/2” min. or larg-
erif high viscosity fluids are being pumped. Suction hose must be
non-collapsibletype, capable of pulling a high vacuum.
SCheckall joints on intake manifolds and suction connections. These
mustbe airtight.
SCheckfor sticking or improperly seating check valves.
SIfpump cycles at a high rate or runs erratically, check (119) piston
“O”rings for wear.
DIMENSIONAL DATA
Dimensionsshown are for reference only, they are shown in inches and millimeters (mm).
4-13/16”
(122mm)
5-3/16”
(132mm)
11-11/32”
(288mm)
10-1/16”
(255mm)
5/16”Slot (8 mm)
8-5/32”
(207mm)
6”
(152mm)
5-1/2”
(140mm) 8-15/32”(215 mm)
SinglePiece Manifold
2-1/32”
(51mm)
6-5/32”(156 mm)
1/2- 14 N.P.T.
MaterialOutlet
1/2- 14 N.P.T.
AirInlet
1/4- 18 N.P.T.
MaterialInlet
1/2- 14 N.P.T.
NOTE:LOOSENING THESE
FASTENERSWILLALLOW
INLET/ OUTLET TO ROTATE.
6-7/16”
(164mm)
Figure4
PN97999-99