Alemite 9668 Manual de usuario

Service Guide

9668

Alemite Corporation

PO Box 473515, Charlotte, North Carolina 28247-3515

1997 by Alemite Corporation

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.

Revision (1-97)

SER 9668

16-1/4 "

(41.3 cm)

Air Exhaust

Air Inlet

Material

Outlet

Material Inlet

Bung

Adapter

5-1/4 "

(13.3 cm)

Figure 1

Medium-Pressure Stub Pump

Model 9668

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

Pump Tube

* Certain packages that incorporate this pump do not include

the bung adapter.

Piston Diameter x Stroke Air Inlet

Maximum Air

Pressure

Inches Centimeters psi Bars

2-15/16 x 3 7.5 x 7.6 1/4 " NPTF (f) 150 10.3

For details on the air motor, refer to Service Guide SER

338066-A1

Material

Inlet Material

Outlet

Max. Material

Pressure Delivery/Minute

(Approximate)* Displacement

per Cycle

psi Bars Gallons Liters In

1-1/2 " NPTF 1/2 " NPTF 750 52 7 26.5 7.2 118

* For detailed information, refer to

Figure 3

Table 1

Medium-Pressure Stub Pump Speciﬁcations

Medium-Pressure Stub Pump

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SER 9668

Medium-Pressure Stub Pump

Revision (1-97) 2 Alemite Corporation

Weep

Hole

Apply

Loctite 222

Here

Figure 2

Medium-Pressure Stub Pump Model 9668- Exploded View

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Medium-Pressure Stub Pump

SER 9668

Alemite Corporation 3 Revision (1-97)

Item

No. Part No. Description Qty Notes Numeric Order

Part # (Item #)

1 Motor Assembly, Air 1 See SER

338066-A1

171000-14 (7)

2 Screw, 3/8 " -24 x 3/4 " 1

171000-103

(4)

3 338111 Piston, Air 1 171003-10 (5)

4 O-Ring, 2-5/8 " ID x 3 " OD 1 171009-31 (26)

5 171003-10 O-Ring, 2-3/4 " ID x 3 " OD 1

171009-51

(19)

6 338089 Body 1

171700-36

(17)

7 171000-14 O-Ring, 3/4 " ID x 15/16 " OD 1

171892

(10)

8 338057 Adapter, Outlet 1

172190-22

(11)

9 Keeper 4

172190-23

(13)

10 Capscrew, 5/16 " -18 x 1/2 " 4 172270-13 (25)

11 Seal, 1-5/16 " ID x 1-9/16 " OD 1

172409

(2)

12 338060 Bearing (Brass) 1 323693 (a)

13 Seal, 1-5/16 " ID x 1-11/16 " OD 1 323707 (18)

14 338059 Spacer 1 323713 (28)

15 338106 Rod 1 323778 (27)

16 338120 Piston (Nylon) 1 326750-B1 (22)

17 Ball, 9/16 " Dia. 1

335481

(24)

18 323707 Seat, Valve 1

335483

(23)

19 O-Ring, 1-7/8 " ID x 2 " OD 1

338041

(9)

20 Ring, Back-Up 1 338057 (8)

21 338090 Tube 1 338059 (14)

22 326750-B1 Adapter, Bung, 2 " NPTF (m) 1 338060 (12)

23 Washer, 1-1/8 " OD 1 338066-A1 (1)

24 Spring, Tapered 1 338089 (6)

25 172270-13 Ball, 1-1/16 " Dia 1 338090 (21)

26 171009-31 O-Ring, 1-11/16 " ID x 1-7/8 " OD 1

338091

(20)

27 323778 Valve, Foot 1 338106 (15)

28 323713 Pin, 1/4 " Dia. x 1-25/32 " Long 1 338111 (3)

Kit Component for Early Model Pumps

338120 (16)

a 323693 Gasket (Aluminum) 1

Legend

Part numbers left blank (or in

italics

) are not available separately

designates a repair kit item

Repair Kits

Part No. Kit Symbol Description

393571-1

Kit, Repair (for Upper Pump Tube Assembly) [Includes tube of 393590 Teﬂon Grease]

393572

Kit, Repair (for Lower Pump Tube Assembly)

393641

Kit, Repair, Air Motor Keeper and Screw

393530-22 Kit, Seal [includes ﬁve (5) of item number

]

393530-23 Kit, Seal [includes ﬁve (5) of item number

]

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SER 9668

Medium-Pressure Stub Pump

Revision (1-97) 4 Alemite Corporation

Accessories

Extensions for various size containers are indicated below.

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.

This chart contains curves based on three different air pressures. The curves relate delivery

in gallons (liters) per minute (X axis) to air consumption in cubic feet (liters) per minute (right

Y axis) and to material discharge pressure in psi/Bars (left Y axis).

Extension Description

Drum Tank

16-Gallon 55-Gallon 200/205 liter 250-Gallon

Bench-Top 275-Gallon

Obround

V-Cut

338147-1 338147-2 338147-3 338147-7

Threaded at both ends *

338246-1 338246-2 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

700

SAE No. 10W -40 at 77 F (25 C)

600

500

400

300

200

100

001 2 34 5 6 7

800

100 psi (6.9 Bars)

150 psi (10.3 Bars) 150 psi (10.3 Bars)

50 psi (3.4 Bars)

Legend:

Air Pressure

Material Discharge Pressure

Air Consumption

Gallons per Minute

Liters per Minute

Delivery

510 15 20 25

100

200

300

400

500

600

700

800

900

Air Consumption

lpm

cfm

psi

1000

1100

Bars

Material Discharge Pressure (psi)

100 psi (6.9 Bars)

Figure 3

Delivery versus Discharge Pressure and Air Consumption

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Medium-Pressure Stub Pump

SER 9668

Alemite Corporation 5 Revision (1-97)

Damage to Components can Occur

Damage to Seals can Occur

Service Hints

Refer to the Overhaul Procedures for Details

Inspect the Chamfer of the Rod for Roughness

Make Sure to Align the Hole in the Spacer

with the Outlet Hole in the Body

Apply Loctite 222 to the Threads of the Valve Seat

Valve Seat may Loosen

Do not Overtighten the Valve Seat into the Rod

Distortion of Nylon Piston can Occur

Ensure Rings are not Exposed After Tube Installation

Product Leakage can Occur

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SER 9668

Medium-Pressure Stub Pump

Revision (1-97) 6 Alemite Corporation

Overhaul

NOTE

: Refer to

Figures 2

and

for compo-

nent identiﬁcation on all overhaul proce-

dures.

Prior to performing any maintenance procedure, the

following safety precautions must be observed. Personal

injury may occur.

WARNING

Do not use halogenated hydrocarbon sol-

vents such as methylene chloride or 1,1,1-trichlo-

roethane in this pump. An explosion can result

when aluminum and/or zinc-plated parts in the

pump come in contact with halogenated hydrocar-

bon solvents.

Release all pressure within the system prior to

performing any overhaul procedure.

• Disconnect the air supply line from the pump

motor.

• Into an appropriate container, operate the

control valve to discharge remaining pressure

within the system.

Never point a control valve at any portion of your

body or another person. Accidental discharge of

pressure and/or material can result in injury.

Read each step of the instructions carefully. Make

sure a proper understanding is achieved before

proceeding.

Disassembly

Separate Air Motor from Pump Tube

1. Clamp the pump assembly in a soft-jaw vise at

Bung Adapter (

2. Remove Capscrews (

) that secure Body (

) to the

Air Motor assembly.

• Remove Keepers (

) from the Body.

3. With a side-to-side motion, pull Air Motor

Assembly (

) from the Body.

• Lubricate O-Ring (

) with oil to ease separation.

Pump Tube

4. Remove O-Ring (

) from the Body.

5. Unscrew Adapter (

) from the Body.

6. Remove O-Ring (

) from the Adapter.

7. Unscrew Tube (

) [with Bung Adapter (

)] from the

Body.

• Remove the Bung Adapter from the Tube as required.

8. Remove O-Ring (

) and Back-Up Ring (

) from the

Tube.

9. Remove Screw (

) that secures Air Piston (

) to

Rod (

• Remove the Air Piston from the Rod.

10. Remove O-Ring (

) from the Air Piston.

11. Pull the Rod assembly from the bottom of the Body.

12. Unscrew Valve Seat (

) from the Rod.

• Remove Ball (

) and Nylon Piston (

13. Remove Spacer (

) and Seal (

) from the Body.

14. Remove Bearing (

) and Seal (

) from the Body.

Foot Valve Assembly

15. Unscrew Foot Valve (

) from Tube (

16. Remove O-Ring (

) from the Foot Valve.

17. Remove Pin (

) from the Foot Valve.

18. Remove Washer (

), Spring (

), and Ball (

) from

the Foot Valve.

Clean and Inspect

NOTE

: Use the appropriate repair kit for

replacement parts. Make sure all the compo-

nents are included in the kit before discard-

ing used parts.

1. Clean all metal parts in cleaning solvent. The solvent

should be environmentally safe.

2. Inspect all parts for wear and/or damage.

• Replace as necessary.

3. Inspect Air Piston (

) for fatigue cracks.

• Replace as necessary.

4. Inspect Nylon Piston (

) and Rod (

) closely. Use a

magnifying glass to detect any score marks on the Rod.

• Replace as necessary.

5. Closely inspect the mating surfaces of all check valve

components for any imperfections. Ensure a smooth

and clean contact is obtained when assembled.

EXAMPLE

: Place Ball (

) into Foot Valve

(

). Fill the Foot Valve with solvent. Make

sure no leakage occurs.

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Medium-Pressure Stub Pump

SER 9668

Alemite Corporation 7 Revision (1-97)

Pump Tube and Rod

11. Install and seat Nylon Piston (

) [openings upward]

onto the bottom of Rod (

12. Install Ball (

) into the Rod.

IMPORTANT: Do not tighten the Valve Seat

more than 1/4-turn once it contacts the Ny-

lon Piston. Distortion of the Nylon Piston

can occur which causes excessive drag on

the Tube.

13. ScrewValve Seat (

) [with Loctite 222] into the Rod.

See

Figure 2.

• Follow the thread sealant manufacturer’s

recommendations.

CAUTION

Install the Rod into the Body with a twisting

motion. Use care not to damage the Seals.

14. Install the Rod assembly into the bottom of the Body.

• Position the Nylon Piston ﬂush with the bottom of

the Body.

15. Install Back-Up Ring (

) [concave upward] onto

Tube (

16. Install O-Ring (

) on top of the Back-Up Ring.

17. Screw and seat the Tube assembly into the Body.

• Make sure both Rings are not visible.

18. Slide Bung Adapter (

) onto the Tube.

19. Screw the Foot Valve assembly into the Tube.

• Tighten the Foot Valve assembly securely to the

Tube and the Tube to the Body.

Assembly

NOTE

: Prior to assembly, certain compo-

nents require lubrication. Refer to

Table 3

for details.

Foot Valve

NOTE

: Refer to

Figure 4

for a section view

of the pump tube assembly.

1. Install O-Ring (

) onto Foot Valve (

2. Install Ball (

), Spring (

) [small diameter ﬁrst], and

Washer (

) into the Foot Valve.

3. Install Pin (

) into the Foot Valve.

• Make sure the Pin retains the Washer properly and is

ﬂush with the Foot Valve.

Pump Tube Body

4. Install O-Ring (

) onto the upper groove of Body (

5. Install and seat Seal (

) [heel end ﬁrst] into the

bottom of the Body.

6. Install and seat Bearing (

) [small diameter ﬁrst] into

the Body.

7. Install and seat Seal (

) [heel end ﬁrst] into the Body.

CAUTION

Make sure the hole in the Spacer aligns with the

hole in the Body. Damage to components can

occur.

8. Install Spacer (

) [small diameter ﬁrst] into the Body.

9. Install O-Ring (

) onto Adapter (

10. Screw the Adapter into the Body.

• Tighten the Adapter securely.

Item No.

Figure 2 Description Item No.

Figure 2 Description

Clean Oil

4 O-Ring, 2-5/8 " ID x 3 " OD 13 Seal, 1-5/16 " ID x 1-11/16 " OD

5 O-Ring, 2-3/4 " ID x 3 " OD 19 O-Ring, 1-7/8 " ID x 2 " OD

7 O-Ring, 3/4 " ID x 15/16 " OD 26 O-Ring, 1-11/16 " ID x 1-7/8 " OD

11 Seal, 1-5/16 " ID x 1-9/16 " OD

Magnalube-G Teﬂon Grease

Coat the Inside Diameter of the Air Motor Assembly

Table 3

Lubricated Components

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SER 9668

Medium-Pressure Stub Pump

Revision (1-97) 8 Alemite Corporation

10 9

Detail B

Detail A

Lower Seal

Weep Hole

Air Piston

20. Install O-Ring (

) onto Air Piston (

21. Place theAir Piston (observe THIS SIDE UP) on top of

the Rod.

22. Install Screw (

) that secures the Air Piston to the Rod.

• Tighten the Screw securely.

Attach Air Motor to Pump Tube

23. Clamp the Body securely in a soft-jaw vise.

24. Install Air Motor Assembly (1) squarely onto the Body.

• Use care passing the O-Ring.

• Make sure Outlet Adapter (8) orients properly with

the inlet of the Air Motor.

25. Install Keepers (9) into the groove of the Body.

• Make sure the holes align with the Air Motor

Assembly.

26. Install Capscrews (10) that secure the Body to the Air

Motor Assembly.

• Tighten the Capscrews evenly and securely in a

crisscross pattern.

Bench Test and Operation

1. Slowly supply air pressure [not to exceed 15 psi

(1 Bar)] to the pump’s motor.

• The pump assembly should cycle.

If the pump assembly does not cycle, refer to the

Troubleshooting Chart for details.

With air pressure at zero:

2. Connect a product hose to the pump’s material outlet.

• Direct the hose into an appropriate collection

container.

3. Place the pump in oil.

4. Slowly supply air pressure to the pump’s motor.

5. Allow the pump to cycle slowly until the oil is free of

air.

If the pump assembly does not prime, refer to the

Troubleshooting Chart for details.

Figure 4 Pump Tube Assembly 338067-B - Section View

Refer to Figure 2 Parts List

for Parts Identification

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Medium-Pressure Stub Pump SER 9668

Alemite Corporation 9 Revision (1-97)

WARNING

Should leakage occur anywhere within the

system, disconnect air to the motor. Personal

injury can occur.

With air pressure at zero:

6. Attach a control valve to the outlet hose of the pump.

• Make sure the nozzle on the control valve is open.

7. Slowly supply air pressure to the pump’s motor.

8. Allow the pump to cycle slowly until the oil is once

again free of air.

9. Set the air pressure to the normal operating pressure.

10. Operate the control valve into a container.

11. Shut off the control valve.

• Visually inspect the pump for external leaks.

• The pump should not cycle more than once or twice

in one hour.

If the pump does not stall, refer to the

Troubleshooting Chart for details.

12. Check the motor for air leakage.

If the motor leaks, refer to the Air Motor Service

Guide for details.

Installation

Additional items that should be incorporated into the

air piping systems are listed in Table 4.

Part Number Description

5604-2 Moisture Separator

7604-B Regulator and Gauge

Table 4 Air Line Components

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SER 9668 Medium-Pressure Stub Pump

Revision (1-97) 10 Alemite Corporation

Troubleshooting Chart

Pump Indications Possible Problems Solution

Pump does not cycle 1. Air motor not operating properly

2. Pump tube jammed and/or contains

loose components

3. Insufﬁcient air pressure

1. Inspect air motor and rebuild or replace as

necessary

2. Rebuild pump tube

3. Increase air pressure

Pump will not prime 1. Excessive cycling speed

2. Pump leaking internally

3. Extension not sufﬁciently tight and/or

thread sealant missing or inadequate

1. Reduce air pressure

2. See Internal Leaks

3.Apply thread sealant* to male pipe threads

and tighten extension

Pump cycles rapidly 1. Product source empty

2. Extension not sufﬁciently tight and/or

thread sealant missing or inadequate

1. Replenish product

2.Apply thread sealant* to male pipe threads

and tighten extension

Pump will not stall (cycles

more than once or twice/hour) 1. Pump requires break-in period

2. Pump leaking internally

3. Pump leaking externally

4. Distribution system leaking

5. Extension not sufﬁciently tight and/or

thread sealant missing or inadequate

1. Operate the pump against moderate ﬂuid

pressure for up to one hour

2. See Internal Leaks

3. See External Leaks

4. Correct leak

5.Apply thread sealant* to male pipe threads

and tighten extension

External Leaks

Product leakage visible at

weep hole in Body (6)1. Damaged Seal (13)

2. Damaged Rod (15)1. Replace Seal (13)

2. Inspect Rod (15) and replace as necessary

Product leakage visible at

bottom of Body (6)1. Tube (21) not sufﬁciently tight

2. Damaged O-Ring (17)1. Tighten Tube (21) into Body (6)

2. Separate Tube (21) from Body (6) and

replace O-Ring (19)

Air leakage at weep hole in

Body (6)Damaged Seal (11) Replace Seal (11)

Product leakage visible

between Tube (21) and Foot

Valve (27)

1. Foot Valve (27) not sufﬁciently tight

2. Damaged O-Ring (26)1. Tighten Foot Valve (27) into Tube (21)

2. Separate Foot Valve (27) from Tube (21)

and replace O-Ring (26)

Internal Leaks

Pump does not prime or

cycles continuously, or slowly

(once or twice/hour)

1. Foreign material between Ball (17)

and Valve Seat (18)

2. Foreign material between Ball (25)

and Foot Valve (27)

3. Worn or damaged Ball (17)

4. Worn or damaged Valve Seat (18)

5. Worn or damaged Ball (25)

6. Worn or damaged Foot Valve (27)

7. Worn or damaged Nylon Piston (16)

Locate and eliminate source of foreign

material

Disassemble pump tube, clean, inspect, and

replace worn or damaged components

* Do not apply thread sealant to the ﬁrst two (2) threads. Contamination can occur.

Changes Since Last Printing

New Format

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