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Blower Manual

MAINTENANCE AND PRECAUTIONS:

 

These blowers require little day to day maintenance, since no lubrication is required. If suitable suction filter has been incorporated in the system, the blowers will give trouble free performance even when continuously used After prolonged use suction filter may be cleaned occasionally.

 

CHECK: 

Free rotation of the impeller when put off. Suction filters are cleaned periodically. Suction or exhaust pipe lines for clogging with dust.

 

OVERHAULING: 

When the blower is to be dismantled for breakdowns or maintenance, procedure to be followed: 

1. Switch off the power supply of the blower motor.

2. Disconnect the blower from the system.

3. Remove the silencers.

4. Dismantle the blower by unscrewing the assembly bolts.

The blower separates in to

A.      Bottom housing  and B. Motor with Impeller and Top housing.

Keep the blower up side down and detach the impeller by unscrewing the locking bolt.

Remove the burrs if any and clean the parts.

 

REASSEMBLY: 

1.Mount the impeller on the motor shaft, tighten the locking bolt with locking washer.

2.Rotate the impeller by hand for free rotation.

3.Fit the bottom housing on top housing and again ensure free rotation.

4.Mount the silencers and take the running trial.

Do not hammer or machine any part of the blower.

 

TROUBLE SHOOTING & TEST AND REMEDY:

 

MOTOR OVER LOAD:

1.Check freeness of the blower without dismantling the motor.

2.Run the motor alone after dismantling and check the current, voltage and connections.

 

ABNORNAL  SOUND:

1.Check for free rotation of the blower.

2.Dismantle the blower and check for any foreign particles inside the blower.

3.Check the motor bearings.

 

JAMMED:

1.Dismantle the blower and check the shaft for resistance to rotation, bearing worn out, check for any frictional burrs / foreign particles.

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