Alemite 9668 Service Manual

Alemite 9668 Service Manual

Medium-pressure stub pump

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1-800-548-1191-http://www.partdeal.com-info@partdeal.com
Description
The major components of the model 9668 stub pump consists of
an air-operated motor and a pump tube. The air motor connects
directly to the double-acting reciprocating pump tube.
This medium-pressure stub pump (5:1 ratio) is designed to
deliver all grades of oil. The pump's bung adapter [2 " NPTF (m)] *
allows installation directly onto original containers or bulk tanks.
Pump Extensions
Extensions that screw directly into the pump's material inlet
allow the pump to accommodate different size drums and tanks.
Extensions are accessory items and are not included with the pump.
See Table 2.
Specifications
Air Motor
Piston Diameter x Stroke
Inches
Centimeters
2-15/16 x 3
7.5 x 7.6
For details on the air motor, refer to Service Guide SER 338066-A1
Pump Tube
Max. Material
Pressure
Material
Material
Inlet
Outlet
psi
1-1/2 " NPTF 1/2 " NPTF
750
* For detailed information, refer to Figure 3
Table 1 Medium-Pressure Stub Pump Specifications
* Certain packages that incorporate this pump do not include
the bung adapter.
This document contains confidential information that is the property of Alemite Corporation
670728
and is not to be copied, used, or disclosed to others without express written permission.
Service Guide
Medium-Pressure Stub Pump
Maximum Air
Pressure
Air Inlet
psi
1/4 " NPTF (f)
150
Delivery/Minute
Displacement
(Approximate)*
per Cycle
3
Bars
Gallons
Liters
In
52
7
26.5
7.2
Alemite Corporation
PO Box 473515, Charlotte, North Carolina 28247-3515
©
Copyright
1997 by Alemite Corporation
Air Exhaust
Material
Outlet
Bung
Adapter
Bars
10.3
Material Inlet
3
Cm
118
Figure 1 Medium-Pressure Stub Pump
9668
Air Inlet
16-1/4 "
(41.3 cm)
5-1/4 "
(13.3 cm)
Model 9668
SER 9668
Revision (1-97)

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Summary of Contents for Alemite 9668

  • Page 1 9668 Medium-Pressure Stub Pump Description The major components of the model 9668 stub pump consists of an air-operated motor and a pump tube. The air motor connects directly to the double-acting reciprocating pump tube. This medium-pressure stub pump (5:1 ratio) is designed to Air Exhaust deliver all grades of oil.
  • Page 2 SER 9668 Medium-Pressure Stub Pump Weep Apply Hole Loctite 222 Here Figure 2 Medium-Pressure Stub Pump Model 9668- Exploded View Revision (1-97) Alemite Corporation 1-800-548-1191-http://www.partdeal.com-info@partdeal.com...
  • Page 3 Medium-Pressure Stub Pump SER 9668 Item Numeric Order Part No. Description Notes Part # (Item #) Motor Assembly, Air See SER 338066-A1 171000-14 Screw, 3/8 " -24 x 3/4 " 171000-103 338111 Piston, Air 171003-10 O-Ring, 2-5/8 " ID x 3 " OD...
  • Page 4: Performance Curves

    338246-3 338246-6 * NOTE : For use with low level cut-off valve part number 321206 Table 2 Medium-Pressure Stub Pump Model 9668 Accessories Performance Curves A pump’s ability to deliver material is based on the pressure (psi/Bars) and quantity (cfm/lpm) of air supplied to the motor and the amount of material discharge [back] pressure to be overcome within the system.
  • Page 5: Service Hints

    Medium-Pressure Stub Pump SER 9668 Service Hints Refer to the Overhaul Procedures for Details Inspect the Chamfer of the Rod for Roughness Damage to Seals can Occur Make Sure to Align the Hole in the Spacer with the Outlet Hole in the Body...
  • Page 6: Clean And Inspect

    SER 9668 Medium-Pressure Stub Pump Overhaul 7. Unscrew Tube ( 21 ) [with Bung Adapter ( 22 )] from the Body. • Remove the Bung Adapter from the Tube as required. NOTE : Refer to Figures 2 and 3 for compo- nent identification on all overhaul proce-...
  • Page 7 Medium-Pressure Stub Pump SER 9668 Pump Tube and Rod Assembly 11. Install and seat Nylon Piston ( 16 ) [openings upward] NOTE : Prior to assembly, certain compo- onto the bottom of Rod ( 15 ). nents require lubrication. Refer to Table 3 for details.
  • Page 8 SER 9668 Medium-Pressure Stub Pump Air Piston 20. Install O-Ring (4) onto Air Piston (3). 21. Place the Air Piston (observe THIS SIDE UP) on top of Lower Seal the Rod. Weep Hole 22. Install Screw (2) that secures the Air Piston to the Rod.
  • Page 9: Installation

    Medium-Pressure Stub Pump SER 9668 11. Shut off the control valve. • Visually inspect the pump for external leaks. WARNING • The pump should not cycle more than once or twice Should leakage occur anywhere within the in one hour.
  • Page 10: Troubleshooting Chart

    SER 9668 Medium-Pressure Stub Pump Troubleshooting Chart Pump Indications Possible Problems Solution Pump does not cycle 1. Air motor not operating properly 1. Inspect air motor and rebuild or replace as 2. Pump tube jammed and/or contains necessary loose components 2.

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