Mastercraft Mthc-20jstd Owner's Manual
®
SAFETY & MAINTENANCE
MANUAL W/PARTS LIST
READ & FOLLOW ALL INSTRUCTIONS,
MTHC-20J-230
ULTI-PURPOSE
M
FLOOR SURFACING
MACHINE
AAddddrreessss
Parts and Service Center
777 South Street
Newburgh NY 12550-0606
PPhhoonnee
845/565/6623
FFaaxx
845/565/8894
ARNINGS & CAUTIONS
W
BEFORE USING THIS
FLOOR SURFACING MACHINE
This floor surfacing machine will afford you
many years of trouble free operating satisfaction if it is given proper care. All parts have
passed rigid quality control standards before
being assembled to produce the finished product. Prior to packaging, the units are again
inspected for assurance of flawless operation.
This floor surfacing machine was protectively
packed to prevent damage in shipment. We
recommend that upon delivery, remove the unit
from its carton and carefully inspect it for any
possible damage in transit. A warranty card is
affixed to the handle. It is your responsibility to
fill it out and send it to our office to register your
purchase and start your warranty. Failure to
send us this card in one week upon receipt of
the machine may void the warranty.
If damage is discovered, immediately notify the
transportation company that delivered your
floor machine. As a shipper, we are unable to
act upon any claim for concealed damage. You
must originate any claim within 5 days of the
delivery.
These instructions are for your protection and
information.
Failure to follow these precautions could result
in injury or discomfort.
Treat this floor surfacing machine as you would
any other high grade precision made product.
Throwing, dropping, unreasonable bumping
across thresholds and other misuse may result
in a damaged unit and invalidate the warranty.
PPLLEEAASSEE RREEAADD CCAARREEFFUULLLLYY!!
TThhiiss uunniitt iiss iinntteennddeedd ffoorr ccoommmmeerrcciiaall uussee..
PLEASE READ
CAREFULLY
BEFORE
OPERATING
SAVE THESE INSTRUCTIONS
PP
AAGGEE
11
PN 499676 Rev A - MTHC-20J-230 - Printed in USA 12/18/07
IMPORTANT
WW
AARRNNIINNGG
::
SAFETY
INSTRUCTIONS
To reduce the risk of fire, electric shock or injury;
Read all instructions before using this floor machine.
11)) DDOO NNOOTT
plugged in when not in use. Unplug from the
outlet when not in use and/or before servicing.
22))
Electric shock could occur if exposed to rain.
Store indoors.
33))
This is
when used around or near children.
44))
Use only as described in this manual. Use
only the manufacturer's recommended attachments.
55)) DDOO NNOOTT
floor machine is not working as it should
because it has been dropped, damaged, left
outdoors, or dropped into water, contact the
manufacturer or authorized service center.
66)) DDOO NNOOTT
cord as a handle, close a door on cord, or pull
cord around sharp edges or corners.
run floor machine over the cord. Keep cord
away from heated surfaces.
77)) DDOO NNOOTT
hands.
88)) DDOO NNOOTT
leave the floor surfacing machine
NNOOTT
a toy. Close attention is necessary
use with damaged cord plug. If the
pull or carry by cord, use power
DDOO NNOOTT
handle the plug or operate with wet
put any object into motor openings.
99)) DDOO NNOOTT
unplug, grasp plug, not the power cord.
100))
1
Keep hair, loose clothing, fingers and all
parts of body away from moving parts.
1111)) DDOO NNOOTT
the manufacturer’s filters in place.
1122)) DDOO NNOOTT
oxygen are used.
1133)) DDOO NNOOTT
bustible liquids such as gasoline or use in areas
where they may be present.
1144)) DDOO NNOOTT
1155))
Replace damaged or worn parts immediately with genuine equipment parts to maintain
safety and protect your limited warranty.
1166))
Floor sanding can result in an explosive
mixture of fine dust and air. Use a floor sanding
machine only in a well ventilated area.
1177)) DDOO NNOOTT
when sander is not in use, this is a fire hazard.
This floor machine must be connected to a
properly grounded outlet only.
unplug by pulling on cord. To
use an optional vacuum without
operate where anesthetics and
use around flammable or com-
use an extension cord.
to leave sawdust in the filter bag
GROUNDING
INSTRUCTION
DD
AANNGGEERR
::
Improper use of the grounding plug can result in a risk of electrical shock.
This floor surfacing machine must be grounded. If it should malfunction or breakdown,
grounding provides a path of least resistance
for electrical current to reduce the risk of electric shock. This machine is equipped with a
Improper connection of the equipment-grounding conductor can result in a risk of
electrical shock. Check with a qualified electrician or service person if you are in doubt as
to whether the outlet is properly grounded. DO NOT modify the plug provided with the
machine. If it will not fit the outlet, have a proper outlet installed by a qualified electrician.
NNOOTTEE::
In Canada, the use of a temporary adaptor is not permitted by
the Canadian Electrical Code.
PP
AAGGEE
22
cord having an equipment-grounded plug. The
plug must be inserted into an appropriate outlet
that is properly installed and grounded in accordance with all local codes and ordinances
WW
AARRNNIINNGG
::
CC
AAUUTTIIOONN
::
ATTACHMENT
When installing or changing the accessories, turn OFF the machine
and disconnect the power cord from the electrical outlet.
BBeeffoorree IInnssttaallllaattiioonn oorr CChhaannggiinngg ooff
AAttttaacchhmmeennttss::
1) Unplug the machine from the wall outlet.
2) Ensure handle is in the storage position
(straight up) and locked in place with the
quick release pin.
3) Tilt machine back by bracing it with your
foot until the handle is laying on the floor and
the three heads are fully exposed.
NNoottee::
It is recommended that a towel or pad is
placed under the machine to protect the floor.
CChhaannggiinngg aanndd IInnssttaallllaattiioonn tthhee
AAttttaacchhmmeennttss::
1) Position the first attachment head at 12
o’clock.
2) Using both hands, reach beneath the
bottom side the attachment and pull up
towards yourself to free it from the sander.
3) Select the attachment required for the
job, and line up the holes on the attachment
with the four metal pins protruding from each
of the three heads.
INSTALLATION &
CHANGING
4) Push the attachments on by hand and if
necessary, carefully tap it into place with a
rubber mallet.
5) Repeat steps 1 thru 4 with the remaining
2 attachments.
6) Carefully raise the handle, supporting the
axle with your foot to control the head of the
machine as it is placed on the floor.
7) Since the attachments are different
heights you may need to adjust the dust skirt
to make sure it is level with the attachments.
This will ensure clean and virtually dust-free
operation.
9) To adjust skirt, align the skirt with the center of the machine and wrap it around.
10) Move the handle back to the operating
position and lock in place with the quick
release pin.
CC
AAUUTTIIOONN
DO NOT attempt to operate this unit if the
machine is not fully assembled.
When servicing or replacing an accessories turn OFF the
machine and disconnect from the power source.
Prior to operating the machine,
tilt machine back on transport wheels, turn ON the machine
and carefully lower the machine onto the working surface.
11))
Clear the floor of any materials or objects.
22))
Ensure handle is in the storage position
(straight up) and locked in place with the
quick release pin.
33))
Tilt the machine back until the handle is
laying on the floor and the three heads are
fully exposed.
44))
Select the accessory set required for the
job.
::
55))
Snap the accessory set onto the four
metal pins protruding from each of the three
heads.
66))
To replace, pull off the current accessory
set and replace with the new accessory set.
77))
Carefully raise the handle, supporting the
axle with your foot to control the machine
head as it is placed on the floor.
88))
Shift handle to the operating position and
lock in place with the quick release pin.
PP
AAGGEE
33
FLOOR SURFACING
MACHINE
OPERATING
INSTRUCTIONS
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