Alemite 9968-A Service Manual - Page 6

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Alemite 9968-A Service Manual

Description

The major components of the stub pumps in
the model 9968 series consists of an air-
operated motor and a pump tube The air
motor connects directly to a double-acting
reciprocating pump tube These low-
pressure stub pumps (5:1 ratio) are designed
to deliver all grades of oil

Pump extensions

Extensions that screw directly into the
pump's fluid inlet allow the pump to
accommodate different size drums and
tanks Extensions are accessory items and
are not included with the pump
See Accessories table, page 7
Models 9968 series
comparison
Model 9968 and 9968-M
1)
include a
2 in NPTF (e) bung adapter that allows
installation directly onto original containers
or bulk tanks The bung adapter is not
included with model 9968-A
NOTE
Model 9968-M contains components
manufactured with BSPT(P) thread
connections that include air motor
model 339413-A1 and fluid outlet
adapter in the pump tube body

Air motor specifications

Piston diameter
Model
x stroke
339413
3 x 3
/
in
5
16
(7.6 x 8.4 cm)
339413-A1
3 x 3
/
in
5
16
(7.6 x 8.4 cm)
1)
For details on the air motors, refer to manual 670782

Pump tube specifications

Pump
Fluid outlet
model
in body
9968, 9968-A
/
in NPTF (i)
1
2
9968-M
/
in NPTF (i)
1
2
1)
For detailed information (→ Diagram 1, page 7)
2)
Includes a
1
/
in BSPP (i) x
1
/
in NPTF (e) fluid outlet adapter
2
2
Air
Maximum air
inlet
pressure
/
in NPTF (i)
150 psi (10,3 bar)
1
4
/
in BSPT (i)
150 psi (10,3 bar)
1
4
Maximum fluid
Delivery/min
pressure
(approximately)
750 psi (52 bar)
7 gals (26,5 l)
2)
750 psi (52 bar)
7 gals (26,5 l)
Stub pump model 9968 series
Model 9968-M shown
5)
4)
∅ 2
1
/
in
2
(5,4 cm)
1)
Air exhaust
2)
Air inlet
1
1
/
3)
Fluid inlet
4)
Bung adapter
5)
Fluid outlet
Pump model
Bung adapter
9968
Included
9968-A
Not included
9968-M
1)
Included
1)
With BSPT(P) thread connection components (see Specifications tables)
Displacement/
1)
cycle
7 2 in
3
(118 cm
3
)
7 2 in
3
(118 cm
3
)
6
1)
2)
17 in
(43,2 cm)
5 / in
1 4
(13,3 cm)
in NPTF (i)
3)
2
Fig. 1