Maintenance

Maintenance

Prior to performing any maintenance procedures, follow the Pressure Relief Procedure on page 57.

Maintenance Schedule

The following tables list the recommended maintenance procedures and frequencies to operate the equipment safely. The maintenance is divided between mechanical and electrical tasks. Maintenance must be performed by trained personnel per this schedule to assure safety and reliability of the equipment.

Mechanical

Operator

Maintenance Person

Task

Daily

Weekly

Monthly

3-6

18-24

36-48

7000

 

 

 

 

months

months

months

hours

 

 

 

 

or

or

or

 

 

 

 

 

125,000

500,000

1,000,000

 

 

 

 

 

cycles

cycles

cycles

 

 

 

 

 

 

 

 

 

Inspect system for leaks

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Depressurize fluid, after opera-

 

 

 

 

 

 

tion

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remove heat from system,

 

 

 

 

 

 

after operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Inspect filter (234967) bowls

 

 

 

 

 

 

and drain

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check hoses for wear

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check/tighten fluid connections

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check/tighten air connections

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lubricate dispense valves*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rebuild regulator*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rebuild dispense valve*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace air filter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace Solenoid

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace Voltage to Pressure

 

 

 

 

 

 

(V/P) Transducer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

* Check component manual for more detailed maintenance information.

 

 

 

 

 

 

 

 

 

 

 

 

Electrical

Task

Weekly

 

 

Check cables for wear

 

 

Verify cable connections

 

 

Verify operation of “System Stop” button

 

 

* Check Component Manual for more detailed maintenance information.

76

3A2098H

Page 76
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Graco 3A2098H important safety instructions Maintenance Schedule, Mechanical, Electrical, Task Weekly