Alemite 9911 User manual

9911, 9911-R

9950, 9950-B

9950-C, 9950-D

SER 9911/9950

Service Guide

Alemite Corporation

PO Box 473515, Charlotte, North Carolina 28247-3515

www.alemite.com

This document contains confidential information that is the property of Alemite Corporation

670785 and is not to be copied, used, or disclosed to others without express written permission. Revision (4-00)

Figure 1 High-Pressure Stripped Pump

Models 9911, 9950 Series

Description

The major components of these stripped pump models consist

of an air-operated motor and a pump tube. The air motor connects

directly to the single-acting reciprocating pump tube.

These high-pressure stripped pumps (50:1 ratio) are designed

to deliver a range of greases [up to NLGI # 2] and operate directly

from their original drums or bulk containers.

Each pump model is designed with a pump tube length to

accommodate different size containers. See Figure 1.

Specifications

Air Motor

Pump Tube

Package Models

The usage for each model of stripped pump is indicated below.

Piston Diameter x Stroke Air Inlet Maximum Air

Pressure

Inches Centimeters psi Bars

3 x 3-5/16 7.6 x 8.4 1/4 " NPTF (f) 150 10.3

For details on the air motor, refer to Service Guide SER 339413

Material

Outlet

Max. Material

Pressure Delivery/Minute

(Approximate)* Displacement

per Cycle

psi Bars Pounds Kilograms In 3Cm 3

3/8 " NPTF 7500 517 3 1.4 0.39 6.39

* For detailed information, refer to Figure 3

Table 1 High-Pressure Stripped Pump Specifications

Pump

Model Package Model Pump

Model Package Model

9911 9911-H, 9911-Z 9950 9950-A, -HC, 9951, -S, -T

9911-R 9911-A, 9911-B 9950-B 9911-HA

9950-C 9911-HB

Table 2 High-Pressure Stripped Pump Usage

High-Pressure Stripped Pump

Stripped

Pump Model

Container Size X Y

lbs kg Inches Cm Inches Cm

9911 35 - 13.75 34.9 23.6 59.9

9911-R 70 - 17.68 44.9 27.53 69.9

9950 120 50 27.75 70.5 37.6 95.4

9950-B - 12.5 15.50 39.4 25.35 64.3

9950-C - 20 19.00 48.3 28.85 73.2

9950-D 400 180 37.06 94.1 46.91 119

SER 9911/9950 High-Pressure Stripped Pump

Revision (4-00) 2 Alemite Corporation

Figure 2 High-Pressure Stripped Pump Models 9911, 9950 Series - Exploded View

High-Pressure Stripped Pump SER 9911/9950

Alemite Corporation 3 Revision (4-00)

Repair Kits

Part No. Kit Symbol Description

393728 Kit, Major Repair (Includes tube of 393590 Teflon Grease)

393708 Kit, Keeper

393530-10 Kit, Seal [includes five (5) of item number 23]

393530-26 Kit, Seal [includes five (5) of item number 14]

Item

No. Part No. Description Qty Notes Numeric Order

Part # (Item #)

1 Motor Assembly, Air 1 See SER 339413 14536 (3)

1a Bolt, Carriage, 1/4 " -20 x 7-1/2 " 4 Included w/

Motor Assembly X171000-7 (6)

1b Nut, Serrated Flange, 1/4 " -20 4 X171003-10 (8)

2 339513 Nut, Flange, 3/8 " -24 1 X171008-37 (5)

3 Washer, 3/8 " ID x 7/8 " OD 1 171031-5 (17)

4 339429 Piston, Air 1 171032-3 (28)

5 X171008-37 Quad-Ring, 2-5/8 " ID x 3 " OD 1 Pack of Ten (10) 172190-10 (23)

6 X171000-7 O-Ring, 3/8 " ID x 1/2 " OD 1 172190-26 (14)

7 338109 Washer, 3/8 " ID x 3/4 " OD 1 338056 (22)

8 X171003-10 O-Ring, 2-3/4 " ID x 3 " OD 1 Pack of Ten (10) 339413 (1)

9 338515 Body 1 338071 (24)

10 Gasket, 0.90 " ID (Aluminum) 1 338092-1 (21)

11 338512-A Valve Assembly, Check 1 338092-2 (21)

12 339412 Keeper 4 338092-5 (21)

13 Bearing (Brass) 1 338092-7 (21)

14 Seal, 1/2 " ID x 7/8 " OD 1 338092-8 (21)

15 338094 Ring, Lantern 1 338092-9 (21)

16 338108 Rod, Upper 1 338093 (29)

17 Pin, Roll, 5/64 " Dia. x 1/2 " Long 2 338094 (15)

338099-1 Extension, 6.66 " Long 1 Model 9911 338095 (13)

338099-2 Extension, 20.66 " Long 1 Model 9950 338096 (10)

338099-5 Extension, 8.41 " Long 1 Model 9950-B 338098 (20)

338099-9 Extension, 11.91 " Long 1 Model 9950-C 338099-1 (18)

338099-8 Extension, 29.97 " Long 1 Model 9950-D 338099-2 (18)

338099-7 Extension, 10.59 " Long 1 Model 9911-R 338099-5 (18)

19 338104 Guide 1 338099-7 (18)

20 338098 Rod, Primer 1 338099-8 (18)

338092-1 Tube, 11.54 " Long 1 Model 9911 338099-9 (18)

338092-2 Tube, 25.54 " Long 1 Model 9950 338100 (25)

338092-5 Tube, 13.3 " Long 1 Model 9950-B 338101 (26)

338092-9 Tube, 16.8 " Long 1 Model 9950-C 338102 (27)

338092-8 Tube, 34.85 " Long 1 Model 9950-D 338104 (19)

338092-7 Tube, 15.47 " Long 1 Model 9911-R 338108 (16)

22 338056 Stop 1 338109 (7)

23 Seal, 0.182 " ID x 0.532 " OD 1 338512-A (11)

24 338071 Valve, Foot 1 338515 (9)

25 Gasket, 0.75 " ID (Aluminum) 2 339375 (1b)

26 338101 Seat 1 339412 (12)

27 338102 Disc, Primer 1 339425 (1a)

28 Pin, Roll, 3/32 " Dia. x 3/8 " Long 1 339429 (4)

29 338093 Body, Primer 1 339513 (2)

Legend:

Part numbers left blank (or in italics) are not available separately

designates a repair kit item

SER 9911/9950 High-Pressure Stripped Pump

Revision (4-00) 4 Alemite Corporation

7000

Legend:

Air Pressure

Delivery

6000

5000

4000

3000

2000

1000

000.5 1 1.5 3

8000

Material Discharge Pressure

Air Consumption

NLGI 2 Grease at 75 F (24 C)

Bars

Material Discharge Pressure

100

150

200

250

300

350

400

450

500

550

psi

100

200

500

600

700

Air Consumption

lpmcfm

Pounds/Minute

Kilograms/Minute

7 Pounds approximates 1 Gallon

0.84 Kilograms approximates 1 Liter

100 psi (6.9 Bars)

50 psi (3.4 Bars)

2 2.5

50 psi (3.4 Bars)

100 psi (6.9 Bars)

150 psi (10.3 Bars)

0.25 0.50 0.75 1.25

300

400

800

1100

1200

1300

900

1000

Accessories

Preventive Maintenance

Refer to section entitled Overhaul for the procedures necessary to perform maintenance.

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 pounds (kilograms) 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).

Part Number Description

326750-F1 Bung Adapter, 2 " NPTF (m)

Table 3 High-Pressure Stripped Pump Accessory Component

Daily Weekly Monthly Yearly

Wipe Exterior with Clean Cloth Inspect for Air and/or Material Leakage

Table 4 High-Pressure Stripped Pump Preventive Maintenance Schedule

Figure 3 Delivery versus Discharge Pressure and Air Consumption

High-Pressure Stripped Pump SER 9911/9950

Alemite Corporation 5 Revision (4-00)

SER 9911/9950 High-Pressure Stripped Pump

Revision (4-00) 6 Alemite Corporation

Overhaul

NOTE: Refer to Figure 2 for component

identification on all overhaul procedures.

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-trichlor-

ethane in this pump. An explosion can result

within an enclosed device capable of containing

pressure when aluminum and/or zinc-plated parts

come in contact with halogenated hydrocarbon

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.

Removal

Remove the pump assembly from the package model.

• Refer to the applicable package model Service Guide

for detailed information. See Table 2.

Disassembly

Separate Air Motor from Pump Tube

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

Body (9).

2. Remove Nuts (1b) that secure the Body to Air Motor

Assembly (1).

NOTE: The bottom end cap of the Air

Motor Assembly remains on the pump tube

during the next procedure.

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

Assembly from the Body.

4. Remove Keepers (12) from the Body.

5. Remove the bottom end cap from the Body.

Pump Tube Assembly

Air Piston

6. Remove Nut (2) and Washer (3) that secures Air

Piston (4) to Upper Rod (16).

• Remove the Air Piston from the Rod.

NOTE: Place an appropriate size punch or

other suitable tool into the hole of the Upper

Rod. See Figure 2.

7. Remove O-Ring (6) and Washer (7) from the Upper

Rod.

8. Remove Quad-Ring (5) from the Air Piston.

Primer Components and Rod Assembly

9. Remove Roll Pin (28) that secures Primer Disc (27) to

Primer Rod (20).

• Use an appropriate size punch.

NOTE: Position the rod assembly as re-

quired to align the Roll Pin with the hole in

Primer Body (29).

10. Remove the Primer Disc from the Primer Rod.

11. Break the connection of Tube (21) from the Body.

• Place an appropriate size tool into the hole of the

Primer Body. At the same time turn the Tube with a

strap wrench.

12. Unscrew Primer Body (29) from the Tube.

• Prevent the rotation of the Tube with the use of the

strap wrench.

13. Pull the entire rod assembly from the bottom of the

Tube.

14. Unscrew the Tube from the Body.

15. Remove Gasket (25), Seat (26), additional Gasket (25),

Foot Valve (24) [with Seal (23)], and Stop (22) from

the Primer Rod.

• Remove the Seal from the Foot Valve.

16. Remove Roll Pin (17) that secures Extension (18) to

the Primer Rod.

• Use a punch and a small hammer.

17. Unscrew the Primer Rod from the Extension.

High-Pressure Stripped Pump SER 9911/9950

Alemite Corporation 7 Revision (4-00)

7. Inspect the corners of Stop (22) for breakage. Place

the Stop into the bottom of Tube (21). Make sure the

Stop is secure within the Tube when pressure is

applied.

Assembly

NOTE: Prior to assembly, certain compo-

nents require lubrication. Refer to Table 5

for details.

Pump Tube Assembly

NOTE: Refer to Figure 4 for a section view

of the pump tube assembly.

Body

1. Install O-Ring (8) onto Body (9).

2. Install and seat Bearing (13) and Seal (14) [heel end

first] into the Body.

3. Install Lantern Ring (15) into the Body.

Primer Components and Rod Assembly

4. Screw Extension (18) into Upper Rod (16).

• Make sure the hole in the Extension aligns with the

hole in the Upper Rod.

5. Install Roll Pin (17).

• Use a small hammer.

6. Install Guide (19) onto the threaded end of Primer

Rod (20).

7. Screw the Primer Rod assembly hand-tight into the

Extension.

IMPORTANT: Do not back-off the Primer

Rod more than 1/2 turn.

8. Unscrew the Primer Rod until the hole in the Primer

Rod aligns with the hole in the Extension.

18. Remove Guide (19) from the Primer Rod.

19. Remove Roll Pin (17) that secures Upper Rod (16) to

the Extension as required.

• Use a punch and a small hammer.

20. Unscrew the Extension from the Upper Rod.

Body

21. Remove Gasket (10) from the Body.

22. Remove Lantern Ring (16), Seal (15), and Bearing

(14) from the Body.

23. Remove O-Ring (8) from the Body.

24. Unscrew Check Valve Assembly (11) from the Body.

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 (4) for fatigue cracks.

• Replace as necessary.

4. Inspect Upper Rod (16) and Primer Rod (20) closely.

Use a magnifying glass to detect any score marks on

the Rods.

• Replace as necessary.

5. Closely inspect the mating surfaces of Foot Valve (24)

and Seat (26) for any imperfections. Ensure a smooth

and clean contact is obtained.

6. Fill Check Valve Assembly (11) with solvent. Make

sure no leakage occurs.

Item No.

on Figure 2 Description Item No.

on Figure 2 Description

Clean Oil

5 Quad-Ring, 2-5/8 " ID x 3 " OD 14 Seal, 1/2 " ID x 7/8 " OD

6 O-Ring, 3/8 " ID x 1/2 " OD 23 Seal, 0.182 " ID x 0.532 " OD

8O-Ring, 2-3/4 " ID x 3 " OD

Magnalube-G Teflon Grease *

Coat the Inside Diameter of the Air Motor Assembly

* Part number 393590 is a 0.75 ounce (21.8 gm) tube of Magnalube-G Teflon grease

Table 5 Lubricated Components

SER 9911/9950 High-Pressure Stripped Pump

Revision (4-00) 8 Alemite Corporation

9. Install Roll Pin (17).

• Use a small hammer.

10. Install the Rod assembly [chamfer end

first] into the bottom of the Body.

• Use care passing the Seal.

11. Install and seat Gasket (10) into the Body.

IMPORTANT: If a primer is

used with Loctite 222, the cur-

ing time is greatly reduced.

12. Screw Tube (21) [with Loctite 222] into

the Body. See Figure 2.

• Follow the thread sealant

manufacturer’s recommendations

• Do not tighten at this time.

13. Install Stop (22) onto the Primer Rod.

14. Install Seal (23) [heel end first] into Foot

Valve (24).

15. Install the Foot Valve assembly (Seal

first) onto the Primer Rod.

16. Install and seat Gasket (25) into the Tube.

17. Install Seat (26) [stepped end first] into

the Tube.

18. Install additional Gasket (25) onto the

Seat.

19. Screw Primer Body (29) [with Loctite

222] into the Tube. See Figure 2.

• Follow the thread sealant

manufacturer’s recommendations

20. Place an appropriate size tool into the

hole of the Primer Body.

• Tighten the Primer Body into the Tube

and at the same time the Tube into the

Body.

• Make sure to properly crush all

Gaskets.

21. Position the rod assembly as required so

the hole in the Primer Rod is visible

through the hole in the Primer Body.

22. Install Primer Disc (27) onto the Primer

Rod.

• Make sure the hole in the Primer Disc

aligns with the hole in the Primer Rod.

23. Install Roll Pin (28).

• Use a small hammer and a punch.

Figure 4 Pump Tube Assembly 338087 Series

Section View

Refer to Figure 2 Parts List

for Parts Identification

High-Pressure Stripped Pump SER 9911/9950

Alemite Corporation 9 Revision (4-00)

Air Piston

CAUTION

Use care not to switch Washers (3 and 7). Com-

ponent damage can occur.

24. Install Washer (7) [brass in color] and O-Ring (6)

onto the Upper Rod.

25. Install Quad-Ring (5) onto Air Piston (4).

26. Place the Air Piston (observe THIS SIDE UP) on top

of the Upper Rod.

27. Install Washer (3) [silver in color] and Nut (2) that

secures the Air Piston to the Upper Rod.

• Tighten the Nut securely.

NOTE: Place an appropriate size punch or

other suitable tool into the hole of the

Upper Rod. See Figure 2.

28. Screw Check Valve Assembly (11) [with thread

sealant] into the Body.

• Tighten the Check Valve securely.

Attach Air Motor to Pump Tube

IMPORTANT: The Air Motor Assembly

must be secured with at least one Carriage

Bolt (1a) and Flange Nut (1b) [preferably

at the front].

29. Clamp the Body of the pump securely in a soft-jaw

vise.

CAUTION

Install the RAM Air Motor Assembly with care.

Damage to Quad-Ring (5) and/or O-Ring (8) can

occur.

HINT: Angle the Air Motor Assembly

onto the Quad-Ring and press the exposed

portion into Air Piston (4) with your

thumb or finger.

30. Install and seat the Air Motor Assembly onto Body

(9).

• Make sure Check Valve Assembly orients properly

with the inlet of the Air Motor.

31. Attach the Air Motor Assembly to the Body of the

pump tube with Keepers (12), Carriage Bolts, and

Flange Nuts.

CAUTION

Do not overtighten Flange Nuts (1b). Component

damage can occur.

32. Torque the Flange Nuts in a crisscross pattern from 60 to

70 inch-pounds (6.8 - 7.9 Nm).

Bench Test and Operation

1. Slowly supply air pressure [not to exceed 35 psi

(2.4 Bars)] 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 Check Valve

Assembly.

• Direct the hose into an appropriate collection container.

3. Place the pump in the product to be dispensed.

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

5. Allow the pump to cycle slowly until the product is free

of air.

If the pump assembly does not prime, refer to the

Troubleshooting Chart for details.

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 product is once

again free of air.

9. Set the air pressure to 100 psi (6.9 Bar).

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.

SER 9911/9950 High-Pressure Stripped Pump

Revision (4-00) 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. Refer to SER 339413

2. Rebuild pump tube

3. Increase air pressure

Pump will not prime 1. Excessive cycling speed

2. Pump leaking internally 1. Reduce air pressure

2. See Internal Leaks

Pump cycles rapidly Product source empty Replenish product

Pump will not stall (cycles

more than once or twice per

hour)

1. Pump requires break-in period

2. Pump leaking internally

3. Pump leaking externally

4. Distribution system leaking

1. Operate the pump against moderate fluid

pressure for up to one hour

2. See Internal Leaks

3. See External Leaks

4. Correct leak

External Leaks

Product leakage visible at

bottom of Body (9)1. Tube (21) not sufficiently tight

2. Damaged Gasket (10)1. Tighten Tube (220 into Body (9)

2. Separate Tube (21) from Body (9) and

replace Gasket (10)

Product leakage visible

between Tube (21) and

Primer Body (29)

1. Primer Body (29) not sufficiently tight

2. Damaged Gasket (25)1. Tighten Primer Body (29) into Tube (21)

2. Separate Primer Body (29) from Tube (21)

and replace Gasket (25)

Internal Leaks

Pump does not prime or

cycles continuously, or

slowly (once or twice/hour)

1. Foreign material between Foot Valve

(24) and Seat (26)

2. Foreign material in Check Valve

Assembly (11)

3. Worn or damaged Foot Valve (24)

4. Worn or damaged Seat (26)

5. Worn or damaged Check Valve

Assembly (11)

6. Worn or damaged Seal (23)

7. Worn or damaged Primer Rod (20)

8. Primer Disc (27) missing

Locate and eliminate source of foreign

material.

Disassemble pump tube, clean, inspect, and

replace worn or damaged components.

Product leakage visible at Air

Motor Assembly (1) exhaust 1. Worn or damaged Seal (14)

2. Worn or damaged Upper Rod (16)Separate Tube (21) from Body (9) and

replace worn or damaged component(s).

If the pump does not stall, refer to the

Troubleshooting Chart for details.

1. Check the motor for air leakage.

If the motor leaks, refer to the Air Motor Service

Guide for details.

IMPORTANT: Make sure to reset the air pres-

sure to the required operating pressure.

Installation

Additional items that should be incorporated into the

air piping system are listed in Table 6.

Part Number Description

5604-2 Moisture Separator

7604-B Regulator and Gauge

Table 6 Air Line Components

Changes Since Last Printing

Changed O-Ring 171000-103 to Quad-Ring 171008-37

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