General Maintenance; Troubleshooting - Sealey SM1302 Instructions Manual

Variable speed scroll saw
Table of Contents

Advertisement

6. MAINTENANCE
WARNING! When replacing parts, use only authorised replacement parts. the use of any other spare parts may create a hazard or
damage your saw.
6.1

GENERAL MAINTENANCE

6.1.1
Keep your scroll saw clean.
6.1.2
do not allow pitch to accumulate on the saw table. clean it with gum and pitch remover.
6.2
ARM BEARINGS. See Figure 13.
lubricate the arm bearings after the first 10 hours of use. oil them every 50 hours of use
or whenever there is a squeak coming from the bearings.
6.2.1
carefully place the saw on its side as shown in figure 15. remove the rubber cap from
the upper and the lower arm of the saw.
6.2.2
squirt a few drops of oil on the end of the shaft and arm bearings. leave the saw in this
position overnight to let the oil soak in.
Note:
Lubricate the bearings on the other side of the saw in the same manner.
WARNING! If the power cord is worn, cut, or damaged in any way, have it replaced
immediately by a qualified service technician. failure to do so could result in serious
personal injury.
Fig. 13
A. ArM BeArInGs
6.3
CARBON BRUSHES. See Figure 14.
Your saw has externally accessible carbon brushes that should be checked periodically
for wear. When one of the two brushes becomes worn, replace both brushes.
unplug the saw from the power source.
6.3.1
using a flat blade screwdriver, remove the bottom brush assembly cap through the
access hole in the base and the top brush assembly cap from the top of the motor.
6.3.2
Gently pry the brush assemblies out using a small screwdriver, the pointed end of a nail,
or a paper clip.
6.3.3
If one of the brushes is worn down shorter than 1/4 in. (6 mm), replace both brushes.
do not replace one brush without replacing the other. Make sure the curvature at the
end of the brushes matches the curvature of the motor and that each carbon brush
moves freely in its brush holder.
6.3.4
Make sure the brush cap is positioned correctly (straight). tighten the carbon brush
cap using a hand powered screwdriver only. do not overtighten.
WARNING! to prevent accidental starting that could cause serious personal injury, turn
off and unplug the saw before carrying out any maintenance work on your scroll saw.
WARNING! failure to unplug your saw could result in accidental starting causing serious
injury.
Fig. 14
A. BrusH cAP
7. TROUBLE-SHOOTING
PROBLEM
CAUSE
Breaking blades
1) Incorrect tension
2) over-worked blade
3) Wrong blade
4) twisting blade with workpiece
Motor will not
1) Power supply fault
operate
2) Motor fault
Vibration
1) Mounting or mounting surface
2) loose table
3) loose motor
Blade run-out
1) Blade holder(s) misaligned
B. cArBon BrusH
Original Language Version
SOLUTION
1) Adjust blade tension.
2) feed workpiece more slowly.
3) use narrow blades for thin workpieces, wide blades for thick.
4) Avoid side pressure, or twist, on blade.
1) check power supply and fuses.
2) contact local authorised service Agent.
1) ensure mount bolts are tight. the more solid the surface the
2) tighten table lock knob and pivot screws.
3) tighten motor mounting screws.
1) loosen blade holder screw(s) and realign.
less the vibration.
sM1302
Issue: 2 - 12/01/10

Advertisement

Table of Contents
loading

Table of Contents