MasterForce 241-0818 Manual De Instrucciones página 6

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MASTERFORCE Operating Manual and Parts List
ALWAYS WEAR EYE PROTECTION! Hot sparks are pro-
duced during grinding operations.
Sharpening and removal of metal can be done on the right
side of the bench grinder using the grinding wheel.
Cleaning of metal surfaces can be done using the wire
Low Speed 1745 RPM
Light Duty
Operations
Light Grinding
Sharpening
Rust and Paint Removal
Lowered Grinding
Temperature
wheel on the left side of the bench grinder.
GRINDING SPEED CHART
• The Power Switch must be in the "OFF" position and the
variable speed switch must be turned to its slowest set-
ting by being turned all the way to the left until solid
resistance is felt.
• Stand to the side of the bench grinder and plug in the
power cord to a suitable power source.
• Remain to the side of the bench grinder and turn it
"ON" by moving the power switch to the up position.
• Allow the grinding wheels to come up to a steady speed
for at least one minute. The R.P.M.'s of the Bench
Grinder can be now increased to the desired speed for
the particular grinding operation by rotating the Variable
Speed Switch clockwise.
• Adjust the eyeshields. Place the workpiece on the appro-
priate tool rest for the desired operation.
• Move the workpiece towards the grinding wheel until it
lightly touches. Move the workpiece back and forth
across the front surface of the grinding wheel removing
the amount of material desired.
WARNING:
To avoid serious injury, never grind on the
sides of the grinding wheels.
• If the drill bit sharpening plate was installed earlier, lay
the drill bit flat in the "V" groove. Firmly hold on to the
drill bit shank. Slide the drill bit towards the grinding
wheel until it lightly touches. Keep the drill bit flat to the
plate and rotate the drill bit.
• After completing the grinding operations, turn "OFF" the
Bench Grinder by pushing down on the Power Switch.
CAUTION:
It will take a few minutes for the grinding
wheels to come to a complete stop.
• Turn the variable speed switch counterclockwise to return
it to its slowest setting.
• Avoid contact with housing until it is cool. Unplug the
bench grinder from the power source.
NOTE: To prevent unauthorized use of the bench grinder,
the power switch has a removable locking key. With the
power switch in the "OFF" position, pull the locking key
out. The bench grinder cannot be turned "ON" with the key
removed. Insert the locking key to resume grinding opera-
tions.
All manuals and user guides at all-guides.com
High Speed 3450 RPM
Heavy Duty/Normal
Operations
Heavy Grinding
Stock Removal
Deburring
Buffing
MAINTENANCE
WARNING:
Turn the power switch "OFF" and unplug the
power cord from its power source prior to any mainte-
nance.
LUBRICATION
The bench grinder has sealed lubricated bearings in the
motor housing that do not require any additional lubrication
from the operator.
CLEANING
With the bench grinder unplugged, rotate the abrasive
wheels slowly and inspect for any damage or trapped shav-
ings.
CAUTION:
REPLACE the abrasive wheels if there is any
damage at all. FAILURE to replace a damaged wheel can
cause serious injury to the operator.
CAUTION:
DO NOT USE FLAMMABLE MATERIALS to
clean the bench grinder. A clean dry rag or brush is all
that is needed to remove dust and debris buildup.
WARNING:
Repairs to the bench grinder should be per-
formed by trained personnel only. Unauthorized repairs or
replacement with non-factory parts could cause serious
injury to the operator and damage to the bench grinder.
USING THE WHEEL DRESSER
The wheel dresser is to be used on the grinding wheels. It
will remove buildup of material on the grinding wheel,
remove imperfections and make the corners of the grinding
wheel square.
DO NOT use the wheel dresser on the wire wheel.
• If the optional drill bit sharpening accessory plate was
installed earlier, remove it and reassemble the right side
tool rest and adjust it until it is in the flat horizontal
position and
1
" away from the grinding wheel.
16
• Turn "ON" the bench grinder and then turn the variable
speed switch clockwise until solid resistance is felt. Let
the grinding wheel come up to a steady speed for one
minute.
• After the grinding wheel has gotten to a steady speed,
place the Wheel Dresser flat on the tool rest with the
serrated wheels facing the grinding wheel.
• Firmly hold on to the handle of the wheel dresser.
• Move the wheel dresser forward until the serrated
wheels make light contact with the grinding wheel. After
contact has been made, slide the wheel dresser side to
side across the tool rest to dress the grinding wheel until
the edge of the grinding wheel is square and the sur-
face is clean.
• After the operator has completed dressing the grinding
wheel, turn "OFF" the bench grinder and let the grinding
wheel come to a complete stop.
• Inspect the grinding wheel for any damage!
• The grinding wheel may now be slightly smaller in diam-
eter after dressing. Readjust the tool rests and spark
arrestors to maintain a
wheel.
6
241-0818
1
" clearance to the grinding
16

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