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Draper MS250 - MAINTENANCE; Routine Maintenance and Safety; Component Replacement and Cleaning; Accessories and Lubrication Requirements

Draper MS250
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MAINTENANCE
Always unplug the power cable before any
maintenance check on this saw.
DANGER
Never put lubricants on the blade whilst it is spinning.
WARNING
TO AVOID INJURY FROM UNEXPECTED STARTING OR
ELECTRICAL SHOCK, UNPLUG THE POWER CABLE
BEFORE WORKING ON THE SAW.
WARNING
FOR YOUR SAFETY, THIS SAW IS DOUBLE INSULATED.
TO AVOID ELECTRICAL SHOCK, FIRE OR INJURY, USE
ONLY PARTS IDENTICAL TO THOSE IDENTIFIED IN
THE PARTS LIST, REASSEMBLE EXACTLY AS
ORIGINAL ASSEMBLY TO AVOID ELECTRICAL
HAZARDS.
REPLACING CARBON BRUSHES
The carbon brushes fitted, will last approx. 50 hours of
running time or 10,000 on/off cycles. Replace both
carbon brushes when either has less than 5mm length
of carbon remaining. To inspect or replace, first
unplug the saw. Then remove the black plastic cap on
the side of the motor (caution this cap is spring
loaded by the brush assembly). Then pull out the
brush. Repeat for the other side. To reassemble,
reverse the procedure. The ears on the metal end of
the brush assembly go in the same hole into which
the carbon part fits. Tighten the cap, but do not
overtighten.
NOTE: To reinstall the same brushes, first make sure
the brushes go back in the way they came
out. This will avoid a running-in period that
reduces performance and increases wear.
LOWER BLADE GUARD
Do not use the saw without the lower guard. The lower
blade guard is attached to the saw for protection.
Should the lower guard become damaged, do not use
the saw until damaged guard has been replaced.
Develop a regular check to make sure the lower
guard is working properly. Clean the lower guard of
any dust or build up with a damp cloth, with the
power supply disconnected.
CAUTION
DO NOT USE SOLVENTS ON THE GUARD. THEY
COULD MAKE THE PLASTIC ‘CLOUDY’ AND BRITTLE.
WARNING
WHEN CLEANING LOWER GUARD, UNPLUG THE SAW
FROM THE OUTLET TO AVOID UNEXPECTED START-
UP OR ELECTRICAL SHOCK.
SAWDUST
Periodically, sawdust will accumulate under the
worktable and base. This could cause difficulty in the
movement of the worktable when setting up a mitre
cut. Frequently vacuum up the sawdust.
RECOMMENDED ACCESSORIES
WARNING
TO AVOID INJURY FROM UNSAFE ACCESSORIES, USE
ONLY ACCESSORIES SHOWN ON THE
RECOMMENDED ACCESSORIES LIST IN THIS
MANUAL.
PROHIBITED ACCESSORIES
The use of any cutting tool except 10" saw blades
which meet the requirement under recommended
accessories is prohibited. Do not use accessories such
as shaper cutters or dado sets. Ferrous and non-
ferrous metal cutting and the use of abrasive wheels
are prohibited.
BASIC BLADE REQUIREMENTS
10" diameter blades marked for 5,500rpm or higher,
5
8" bore size.
LUBRICATION
All the motor bearings in this tool are lubricated with
a sufficient amount of high grade lubricant for the life
of the unit under normal operating conditions,
therefore, no further lubrication is required. (See
below).
LUBRICATION REQUIRED
1. Lubrication of arm pivot for free movement.
a. By loosening nut and applying oil to washer
fig.17 and to contact face (minor).
b. Disassembly is required to grease pivot bolt
and contact faces (minor).
NOTE: Disassembly should be done by an
authorized service technician. Removal of the
upper guard and the bolt stop is necessary
before pivot can be disassembled. Pay close
attention to the spring end positions in the
castings...mark with chalk to avoid confusion.
2. Lubrication of mechanism which pivots lower
guard: Use light household oil (sewing machine
oil) on metal-to-metal or metal-to-plastic guard
contact areas as required for smooth, quiet
operation. Avoid excess oil, to which sawdust will
stick.
MAINTENANCE
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