JB INDUSTRIES DV-40S Guía de configuración

CLEANING THE SENSOR

If your vacuum gauge is behaving erratically, cleaning the sensor may be necessary.

Use isopropyl (isopropanol) alcohol only. Do NOT use denatured alcohol as it leaves residue after evaporation. Do not use other solvents as they may be too corrosive

and permanently damage the sensor and or its surroundings. Isopropyl of 90% pure or better should be used. Hardware stores will sell 99% pure, found near the paint

thinners and solvents.

Follow steps 1-6 below. If issues continue, an alternate method of cleaning the sensor is to soak the sensor in alcohol overnight. If you have trouble getting an accurate

reading after cleaning the sensor, please check your gasket or o-ring for damage, wear, or to see if it is missing.

Tools Required

Rubbing Alcohol (Isopropyl)

Step 1

Liberally pour rubbing

alcohol into the sensor.

Step 2

Cover ﬁtting opening

with your thumb or

ﬁnger.

Step 3

Agitate the rubbing

alcohol in the sensor

to clean by shaking for

a few seconds.

Step 4

Dump excess alcohol.

Step 5

Repeat steps 1-4 at

least twice.

Step 6

Allow to air dry or pull

vacuum on gauge to

expedite drying.

SH-35NDV-40S DV-41 DV-22N

CLEANING AND REPAIR INSTRUCTIONS

DIGITAL VACUUM GAUGES

JB INDUSTRIES

REPLACING THE O-RING

Check your vacuum gauge to determine if a gasket or o-ring is present. For gauges using an o-ring, use replacement part P90009. For gauges using a gasket, refer to

REPLACING THE GASKET instructions.

Tools Required

• O-ring tool

• P90009 replacement o-ring

Step 1

Use o-ring tool to get under

the rubber o-ring.

Step 2

Remove o-ring.

Step 3

Place new o-ring in the grove.

Step 4

Press o-ring to securely

seat in the groove.

REPLACING THE GASKET

Check your vacuum gauge to determine if a gasket or o-ring is present. For gauges using a gasket, use replacement part P511 and follow steps below.

For gauges using an o-ring, refer to REPLACING THE 0-RING instructions.

Tools Required

• Needle nose pliers

• P511 replacement gasket

Step 1

Use needle nose pliers to remove

depressor and gasket.

Step 2

Separate depressor from gasket.

Step 3

Place new gasket over depressor.

Step 4

Press depressor and gasket securely

in place.

JB INDUSTRIES • Digital Vacuum Gauge Cleaning and Repair Instructions • 800.323.0811 • [email protected]

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