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Graco HG6000 — уход за измерительными приборами: очистка и обслуживание [9/20]

Maintenance

309834T 9

Maintenance

Residue Build-up on the Meter

Gears

Residue build-up may cause the meter gears to bind or

stop rotating, which decreases the meter accuracy and

makes meter recalibration necessary. As more build-up

occurs, recalibration is required more often.

The frequency that your meter requires cleaning

depends on the type of fluid being used. Excessive resi-

due build-up usually means that you are using improper

cleaning solvents and/or cleaning sequences or pro-

cesses.

• Check the meter routinely to develop the correct

cleaning schedule.

• Use the proper cleaning solvent for the fluid being

metered.

Flushing the Meter

Flush the fluid supply line and meter fluid reservoir daily

with a compatible solvent as instructed below.

1. Follow the Pressure Relief Procedure, on page 7.

2. Connect the fluid line to the solvent supply unit.

3. Flush the meter until it is clean.

4. Follow the Pressure Relief Procedure, then dis-

connect the fluid line from the solvent supply unit.

5. Reconnect the fluid line to the fluid supply.

6. Turn on the fluid supply.

7. Operate until the meter and fluid line are free of sol-

vent.

Disassembly

1. Follow the Pressure Relief Procedure, on page 7.

Then close the fluid shut-off valve on each side of

the meter.

2. Disassemble the sensor assembly (19) and sensor

pad (17) from the flow meter housing by removing

M4 screws (18 & 20). See page 11.

3. Loosen the six M8 screws (2) from the end housing

(1) of the flow meter.

4. Remove four of the six screws (2) from the end

housing (1) keeping the two opposite bolts engaged

by several threads.

CAUTION

Do not immerse the meter in solvent with the electronic

sensor installed. Solvent could damage the electrical

components.

Air purge is not recommended for any gear-type flow

meter. Air purges do not provide the lubrication the

meter gears require.

CAUTION

It is not recommended that the meter be operated or

flushed with water. Should this occur, residual water

should be removed with alcohol and the internal com-

ponents of the meter should be coated with a light film

of oil. If the device is to remain inoperative for an

extended period of time, internal components of the

meter should be coated with a light film of oil.

Clean and service the meter at a clean

work-bench. Use only lint-free cloth on parts.

CAUTION

To avoid damaging the shafts (4 & 8), keep the hous-

ings parallel to each other when separating them; do

not rock the housings from side to side. Do not use

chisels or screwdrivers to split and pry apart the hous-

ings.

Graco HG6000 — уход за измерительными приборами: очистка и обслуживание [9/20]

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