Alemite 7836-A Manuel d'entretien - Page 4

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SER 7836-A

Overhaul

NOTE: Refer to Figure 3 for compo-

nent identification on the major compo-

nents of the valve assembly.

Prior to performing any maintenance procedure,

the following safety precautions must be observed.

Personal injury may occur.

WARNING

Do not use halogenated hydrocarbon

solvents such as methylene chloride or 1,1,1

trichloroethane in this valve assembly. An

explosion can result within an enclosed device

capable of containing pressure when alumi-

num 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 pres-

sure within the system.

Never point a control valve at any portion of

your body or another person. Accidental dis-

charge of pressure and/or material can result

in personal injury.

Read each step of the instructions carefully.

Make sure a proper understanding is achieved

before proceeding.

Disassembly

NOTE: The following procedures pertain to

both models of control valves.

IMPORTANT: Adapter (18) is under spring

pressure. Use care during removal.

1. Unscrew Adapter (18) from Body (9).

2. Remove Spring (19) from the Body.

3. Loosen Guide (20) from Nut (17).

4. Unscrew and remove the Guide and Nut from Rod

(5 or 8).

Revision (1-13)

10. Unscrew Packing Nut (15) from the Body.

11. Remove Brass Washer (14), four O-Rings (13), and Leather

12. Loosen Setscrews (10 and 11) that secure Pins (24 ) to the

13. Remove Handle (23) from the Body.

14. Unscrew Swivel Assembly (22) from the Body as required.

Clean and Inspect

Assembly

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5. Unscrew Valve Seat (2 or 6) from the Body.

• Remove Gasket (1) from the Valve Seat.

6. Push the Rod assembly out the front of the Body.

7. Remove Link (16) from Handle (23).

Step for Model 7836-A

8. Remove Pin (3) that secures Valve Assembly (4) to the Rod.

• Remove the Valve Assembly from the Rod.

Step for Model 7836-C1

9. Unscrew Valve Assembly (7) from the Rod.

HINT: Screw Nut (17) and Guide (20) onto the

Rod. Use the Guide as a jam on the Nut to break

the connection.

• Use Adjusting Pin (26) or a similar tool as required.

Washer (12) from the Body.

Body as required.

• Remove the Pins from the Body.

• Remove O-Ring (21).

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. Closely inspect the mating surfaces of all components for

any imperfections. Ensure a smooth and clean contact is

obtained when assembled.

NOTE: Prior to assembly, certain components

require lubrication in oil. Refer to Table 2 for

details.

Item No.

Washer (Leather) [Soak for 1 Hour]

O-Ring, 1/4 " ID x 3/8 " OD

O-Ring, 11/16 " ID x 7/8 " OD

Table 2 Components Lubricated with Clean Oil

Control Valve

Description

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