Alemite 7216-S Manuel d'entretien - Page 5

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Stainless Transfer Pump

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

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. Product discharged at

high velocity can penetrate the skin and cause

severe injury. Should any fluid appear to puncture

the skin, get medical care immediately.

Read each step of the instructions carefully. Make

sure a proper understanding is achieved before

proceeding.

Disassembly

Separate Pump Tube from Air Motor

1. Clamp Body Assembly (15) horizontally in a soft-jaw

vise.

CAUTION

Support the pump tube assembly during removal.

Damage to components can occur.

2. Unscrew Cylinder (17) from the Body Assembly.

• Remove the Cylinder [with attached components].

3. Pull on Rod and Stop Assembly (7) to expose the end

of the Air Motor's piston rod as required.

4. Remove Cotter Pin (6) that secures the Air Motor's

piston rod to the Rod and Stop Assembly.

5. Unscrew the Rod and Stop Assembly from the Air

Motor's piston rod.

Alemite Corporation

6. Loosen Jam Nut (8) that secures Air Motor Assembly

(1) to the Body Assembly.

7. Unscrew and remove the Air Motor Assembly from the

Body Assembly.

8. Remove the Jam Nut from the Air Motor Assembly as

required.

Pump Tube Assembly

Body Assembly

9. Remove Gasket (16) from the bottom of the Body

Assembly.

10. Remove Packing Screw Assembly (9) from the Body

Assembly.

11. From the top of the Body Assembly remove:

• Washer (10) ..................................................... Qty 1

• Female Adapter Ring (11) ............................... Qty 1

• Packings (12) ................................................... Qty 2

• Male Adapter Ring (13)................................... Qty 1

• additional Washer (10)..................................... Qty 1

• Spring (14) ...................................................... Qty 1

Cylinder Assembly

12. Unscrew Nut (22) that secures Plunger (21) to the Rod

and Stop Assembly.

• Remove the Plunger and Valve (19) from the Rod and

Stop Assembly.

13. Remove both Packing Rings (20) from the Plunger.

14. Remove Bung Adapter (18) from the Cylinder as

required.

Vale Body Assembly

15. Unscrew Valve Body (25) from the Cylinder.

16. Remove Gasket (16), Stop Washer (23), additional

Gasket (16), and Ball (24) from the Valve Body.

17. Remove Extension (26) from the Valve Body as

required.

SER 7216-S3

Revision (10-02)