Technical Specification - NUTOOL MC250N Manual Del Usuario

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PROBLEM

POSSIBLE CAUSE

The blade does not raise

Sawdust and dirt in the mechanism

or tilt smoothly

The blade does not run

Extension reel not of the correct rating

up to speed

or too long

The table saw is not mounted correctly.

The table saw vibrates

The stand or bench is on an uneven floor.

Damaged or bent saw blade.

The saw does not make

accurate 45° or 90° cross

Mitre gauge is out of adjustment

cuts

Faulty ON/OFF Switch

The motor fails to start.

Windings in the field armature burned or

The electrical supply is OK

damaged.

Circuit breaker too sensitive

Motor overload

The motor overheats,

Poor cooling Sawdust build up around motor.

stalls, trips circuit breaker,

blows fuses

Windings burnt out

Fuses, Circuit breakers do not have

sufficient capacity

Cutting stalls the motor

Dull blade.

Blade burns the work

The blade is "heeling"

piece

The feed rate is too fast

Blade stops when rip

The rip fence is not parallel to the blade.

cutting.

or mitre gauge groove.

Riving knife out of alignment.

NOTE. In all cases where an electrical problem occurs.

Isolate the machine from the mains supply and remove the

plug from the outlet socket before consulting a qualified

electrician. To ensure safety and reliability, with the

exception of replacing carbon brushes all repairs should be

carried out by an authorised service centre.

REMEDY

Use a brush or suitable vacuum

cleaner to remove dust and dirt.

Re l ubricate.

Use the correct extension reel or

contact an electrician.

Check the mounting and secure mounting

fixings.

Secure bench or stand on a level surface

Replace the blade

Check and re-adjust the mitre gauge

Have the saw checked by an authorised

service centre.

Replace the motor by an authorised service

centre.

Possible electrical fault Have the unit

checked an authorised service centre.

Feed work piece slower into blade

Use a brush or suitable vacuum cleaner to

remove dust and dirt to increase air flow to the

motor.

Consult a qualified electrician.

Replace the blade

See section on blade adjustment.

Slow down the feed rate.

See rip fence adjustment section

See riving knife adjustment section