Craftsman 351.268500 operating instructions Symptompossible Causes, Corrective Action

SYMPTOMPOSSIBLE CAUSE(S)

Wheel cuts (crooked) 1. Work not positioned

2.Hand pressure too great

3.Work not secure

4.Loose abrasive wheel

5.Dull or clogged abrasive wheel

6.Wheel washer loose or worn

7.Abrasive wheel worn or chipped

Bad cuts (rough)	1.	Too much hand pressure
	2.	Wheel clogged		or damaged
Wheel is twisting/chatters.	1.	Cut is binding		wheel
	2.	Wheel washer		loose or worn
	3.	Work not secure
	4.	Hand pressure too great
Motor will not start	1,	No electrical power to motor
	2.	Low voltage
	3.	Defective	trigger switch;
		defective	line cord
	4.	Open circuit in motor or
		loose connections
	5.	Burned out motor

CORRECTIVE ACTION

1.Adjust vise angle

2.Reduce pressure

3.Tighten vise

4.Reinstall wheel according to instructionsunder "Replacing Abrasive Wheel", page 5

5.Replace abrasive wheel

6.Tighten or replace

7.Replace abrasive wheel

1.Reduce hand pressure

2.Replace abrasive wheel

1.Decrease hand pressure

2.Tighten or replace

3.Tighten vise

4.Reduce hand pressure

1.Check electrical wiring to motor for continuity

2.Check power line for proper voltage

3.Replace defective parts before using cutoff saw again

4.Inspect lead terminals on motor for loose or open connections

5, Any attempt to repair this motor may create a

hazard unless repair is done by an authorized Sears Service Center.

Motor

will not start or

1.

Short circuit in line cord

or plug

1.

Inspect line cord or plug for damaged

stalls; fuses or circuit

insulation and shorted wires

breakers blow

2.

Short circuit in motor or

2.

Inspect all lead terminals on motor for loose

loose connection

or worn insulation

on wires

3.

Incorrect

fuses or circuit

breakers

3.

Install correct fuses or circuit breakers

in power

line

4.

Motor overloaded

4.

Reduce load on motor

5.

Low voltage

5.

Correct the low voltage conditions

Motor fails to develop full

1.

Power line overloaded

1.

Reduce the load on the power line

power

(power output of

2.

Undersized

wires or cords too long

2.

Increase wire sizes or reduce length of cords

motor

decreases)

with

3.

General

overloading

of power

3.

Request a voltage check from the

"_ecreased voltage

at

company's facilities

power company

imotor terminals

'vlotorhot or overheats

1.

Motor overloaded

1.

Reduce load on motor

2.

Air circulation around

motor

2.

Unblock air vents to provide normal air

restricted

circulation around

motor

3.

Gears need lubrication

3.

Check grease

4.

Worn or dirty brushes

4.

Replace or clean

brushes

C/heel chipping

1.

Too heavy

hand pressure

1.

Decrease

hand pressure

2.

Narrow workpieee

2.

Decrease

hand pressure

3.

Vibrating

workpiece

3.

Clamp work securely

Excessive

wheel

1.

Abrasive wheel not rated for saw speed

1.

Use abrasive wheels rated for saw speed

oreakage

2,

Misaligned

abrasive

wheel

2.

Adjust wheel washer and nut

Premature

wheel dulling

1.

Inadequate

hand pressure

1.

Increase

hand pressure

2.

Hard spots

or scale in/on material

2.

Increase

hand pressure

3.

Work hardening of material

3.

Increase

hand pressure

(especially

stainless steel)

6