Unimax MF127 User manual

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WARRANTY CARD
Product: SAW BLADE AND DRILL SHARPENING MACHINE MF 127
Type: DSS125
Date of manufacture:
Date of sale, stamp, signature:
Serial number (product series):
Repair centre notes:
Without the correctly filled warranty card or without proof of purchase receipt, including
the product type (invoice, purchase receipt) no warranty claim will be processed.
1. KH Trading machines and tools are covered by 6/24 months warranty, starting on the date of
purchase, as described in the Civil Code (proof of purchase or invoice receipt must be
enclosed with the warranty card when making a claim).
2. This warranty does not cover defects caused by unprofessional handling, machine overloads, not
complying with instructions contained in this manual, using accessories that are not approved,
unauthorized repair, regular wear and tear and damages occurred during transport. Further, this
warranty does not cover parts and accessories such as the motor, carbon brushes, seals and
hot-air operated parts and parts that need to be changed regularly.
3. If the repair is to be found as not covered by the warranty policy, all costs including the repair and ship-
ping to and from the repair centre will be paid by the customer, according to valid price list. See www.
4. When making a claim, you must present the warranty card, showing the date of the purchase, the
serial number of the machine, vendor stamp and signature of sales clerk, as well as the proof of
purchase receipt.
5. Warranty claim shall be made at the vendor shop where you bought your machine or you may mail
it to a service centre. The vendor is obligated to fill out the warranty card (date of sale, serial
number, vendor stamp and signature). All these information must be filled in at the time of sale.
6. The warranty period will be extended for the period of time for which the machine has been in the
service centre possession. If the repair or defect is not covered by the warranty policy, all costs including
the repair and shipping will be paid by the owner of the machine / tool. We recommend sending the
machine in its original packaging. Please, also enclose brief description of the defect with the packaging.
7. Before sending the machine for repair, clean it thoroughly. If the received machine is dirty, it may
be rejected by the service shop or you may be charged a cleaning fee.
SERVICE
Logistic centre Klecany
Topolová 483
250 67 Klecany
Czech Republic
Claim department phone number: 266 190 156 T-mobile: [phone]
266 190 111 O2: 601 218 255
Fax: [phone] Vodafone: 608 227 255
http://www.KHnet.cz
Email: ser[email protected]
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MMFF112277
USER'S MANUAL
DSS125

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Dear customer. Thank you for purchasing equipment from KH Trading, s.r.o.
Our company is ready to offer you our services - before, during and after you buy our product.
If you have any question, comment or idea, please contact our business centre. We will do our best to address
your comment or question in timely matter.
Before first use, please read this manual carefully. It is your responsibility to study all instructions,
necessary for safe use and operation and to understand all risks that may be involved during the use
of power machines.
WARNING! Do not try to use this machine before reading this entire manual and before you know
how to handle it. Keep this manual for future reference.
Pay special attention to safety instructions. Not complying with safety rules may cause injury to the
operating person or to people standing by or it may cause damage to the machine or to the work
piece.
Pay special attention to safety notes and safety labels on the machine.
Never remove or damage them.
Please, write information such as the invoice number
and the number of the sale receipt here in this box.
This universal grinding machine may be used for saw blade and drill sharpening.
The accuracy of instructions, graphs and information contained herein, depends on the printing date. Due to
continuous product improvement, the manufacturer reserves the right to change technical parameters of the
product, without prior customer notification.
Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .~230V/50 Hz
Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150 W
Operational speed/rpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2,840 min.-1
Diamond sharpening wheel
Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125 mm
Inner blade diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 mm
Thickness in the wheel middle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 mm
Tilt of grinding platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15°
Grinding wheels that may be used with your machine . . . . . . . . . . . . . . . . . . . . . . . . . . .120 - 750 mm
Maximum diameter of grinded drill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 mm
Gross weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27 kg
Net weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 kg
Packaging dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .530 × 340 × 400 mm
DESCRIPTION
TECHNICAL SPECIFICATION
REPAIR AND MAINTENANCE REPORT
Report and maintenance report:
DATE SERVICE SHOP REPAIR AND MAINTENANCE REPORT

REVISION REPORT
The user is obligated to perform tests and revisions of electrical equipment of the machine
in accordance with valid rules and regulations. Result report:
DATE REVISION TECHNICIAN
Number / SIGNATURE
REVISION REPORT
3
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•This device may be used by a qualified person, 18 years or older who has been
trained in work and environmental safety procedures.
•Any person using this equipment must possess a medical certificate
demonstrating his eligibility to operate this equipment.
Listing of self-adhesive warning labels that must be placed on your machine after
assembly.
We recommend placing work safety regulations notices at your workshop:
•"Prevent most common injuries" - GRINDING MACHINES
Symbols used in this manual
Warning!
This symbol informs you about the risk of personal injury or damage to the machine
or materials.
Caution! You are using electrically powered machine!
Electrical hazard.
Risk of being caught by spinning machine parts!
Caution! Loose clothing or body parts may get caught by moving machine parts.
Warning!
Danger of damage.
Note:
Additional information.
Use personal safety gear.
General instructions
•Plastic bags and packaging materials pose danger for small children and animals.
•Make sure you know how to control your tool or machine and that you are familiar with its operating
procedure. Know the hazards that may occur, if not used correctly.
•If other person is using this machine make sure that he knows how to safely operate this equipment and
that he is familiar with hazards and risk that may occur, if not used correctly.
•Pay special attention to safety notes and safety labels on the machine. Never remove or damage them.
If the warning label becomes unreadable, please contact your vendor.
SAFETY PRECAUTIONS
In case of fire do not use water or foam
fire extinguishers
Use respiratory passageways protection
Use eye protection
Caution! Electrical equipment
Read manual before use
Recycling

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•Keep your working place clean. Dirty and disorganized workplace may cause accidents.
•Never work in tight spaces or in purely lit rooms. Make sure the floor is solid and stable and that you can
move around easily. Always keep stable posture.
•Keep focusing and use common sense. Do not continue working if you cannot pay attention.
•Maintain your tools clean and in safe working conditions.
•Handles must be kept free of grease and dirt.
•Make sure no children, unauthorized persons or animals have access to your workshop.
•Never put your hands or legs inside the working area.
•Never leave your machine unattended during operation.
•Use only for purposes for which it has been designed.
•Use personal protective gear such as safety goggles, ear protection, respirator, safe working shoes etc.
•Do not overreach, use both hands.
•Never work under the influence of alcohol or other drugs.
•Do not use the machine/tool if you feel dizzy or week.
•Any modifications or improvements to the machine are strictly prohibited. DO NOT USE if you discover
bent part, crack or other damage to your machine.
•Never perform any maintenance during operation.
•If you see any unusual sign or hear any strange sound, switch of the machine immediately.
•Do not forget to remove all wrenches and/or screwdrivers from the machine.
•Before use, make sure all screws are tightened securely.
•Perform maintenance regularly. Before use make sure the machine is in good working conditions
and without any damage.
•Use only original spare parts during repairs.
•Using accessories or extension pieces not approved by the manufacturer may cause injuries.
•Use this machine only for work that could be handled by it. Do not overload tools, accessories or the
machine. For large work volume use more powerful machine.
•Do not overload the machine. Measure the work load in such way, so it could be done with comfortable
speed. Damages due to machine overload are not covered by the warranty policy.
•Do not expose to extremely high temperature or direct sunlight.
•This machine is not designed for use in humid environments or under water.
•If you are not using your equipment, store it in a dry and locked place, out of reach of children.
•Before switching your machine on, make sure that all safety elements work as designed. Make sure all
moving parts are in good working conditions.
•Inspect all parts for cracks and damages. Make sure movable parts are not stuck and set properly.
Also take into consideration other conditions that may have a negative effect on the proper function of
your machine.
•If not stated otherwise in this manual, all damaged parts and safety elements must be repaired
or changed.
Fine mechanics
•Never use a vise to hold your machine in place.
•Protect your machine from fall and impact. When you finish your work store your equipment back inside
the briefcase.
Assembly
•Do not use the machine unless completely assembled.
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DETAILED PART DRAWING

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When the operational life of your device is over, dispose off it in accordance with valid rules and regulations.
Your product is made of metal and plastic parts that may be recycled when separated.
1. Disassemble all parts.
2. Separate all parts according to the material they are made of (e.g. metals, rubber, plastics, etc.).
Take the separated parts to the recycling facility near you.
3. Electrical waste (used electrical power tools, electric motors, recharging equipment, electronics,
accumulators, batteries etc.).
Dear customer. In accordance with the valid regional rules and regulations describing the management of
electrical waste, electrical waste is considered dangerous.
Disposal of electrical waste must be therefore handled as dangerous waste in accordance with waste
management rules valid in the state you are in.
It is prohibited to mix electrical waste with regular household waste.
You may return your used electrical appliance to a recycling facility near you. More information about
electrical and dangerous waste disposal may be obtained from your local authority or from the Internet.
If the machine breaks down, send it back to the vendor for quick repair.
Please, enclose brief description of the defect. That makes repair easier. If the machine is still covered by
warranty, enclose the warranty card and proof of purchase receipt. After the warranty period expires, we
repair your machine for a special price.
To prevent possible damages during shipping, packed the machine carefully or use the original packaging
material. We are not liable for shipping damages due to incorrect packaging of your machine. If making
a claim at the shipping company the level and method of packaging plays a major role during claim evaluation
process.
Note: Pictures and contents in this manual may slightly differ from the actual product or accessories.
It is due to continuous improvement of our products. Such small differences have no effect on the product
functionality.
CAUTION
DISPOSAL
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Electrical equipment
•Observe all basic safety rules when using electrical equipment to prevent risk of fire, injuries by electrical
shock and other hazards. Before using this device, read this manual entirely and follow all safety
instructions. Before using this device, read this manual entirely and follow all safety instructions.
•Make sure the power cable plug is plugged into the correct wall outlet. The voltage on the specification
label must be the same as the voltage in the wall outlet. Higher voltage may damage the engine and too
low voltage will not provide the machine with sufficient power.
•Before connecting the machine to the wall outlet make sure that the main switch is in the "OFF" position.
When you finished your work, disconnect the power plug from the wall outlet and switch off the main switch.
•Never carry electrical tools and appliances by their power cord. When disconnecting the plug from the
wall outlet, never pull the cable by its cord.
•Protect the power cable from high temperatures, oils, paint thinners and make sure that the cable is not
hanging over sharp edges.
•Inspect the power cable regularly. If damaged have it replaced by qualified technician. Inspect extension
cables regularly. If damaged, have it replaced.
•If you need to use an extension cable, use cable with appropriate power raiding. Use only completely
unwound. Inspect cables for damages regularly. Damaged cable must be repaired or changed immediately.
•If you are working outside, use an extension cable designed for outside use.
•Before performing any maintenance, repair or adjustment, switch off the main switch and disconnect the
power cable from the wall outlet.
•Make sure no one may incidentally switch your machine on. Do not keep your fingers close to the main
switch, unless absolutely necessary.
•Do not use in environments where explosives are stored or used (paint shops, warehouse with
flammables etc.).
•Do not use in humid environments or if wet.
Rotary tools/machines
•Always wear suitable work clothing (do not wear loose clothing, ties, jewellery etc.). Long hair must be covered
and tied up behind you head. Do not wear worn out working shoes. Sleeves must be rolled up. Loose clothing
or body parts may get caught by moving machine parts.
•Do not remove safety covers. Make sure the operating person is well-protected.
•Do not touch or come close with moving machine parts during work. Keep your hands away from moving and
spinning machine parts.
Grinding
•Do not apply excessive pressure on the sharpened saw blade or drill. Excessive pressure may shutter the
wheel or cause damages to the grinding wheel or it may cause it to stop suddenly.
•Never touch the spinning grinding wheel.
•Make sure not part is left inside the packaging box before throwing the packaging materials out. If so,
take it out and install it. Use the part listing for check-up and the installation drawing for guidance.
•Mount the machine securely to a working table to prevent vibrations.
ASSEMBLY

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Part and function description for saw blade sharpening
Minimum adjustable distance between axis of the sharpened wheel (saw blade) and the
grinding wheel.
OPERATION
pic. 2
pic. 1
1 Swivel arm
2 Saw blade support
3 Screw M6× 12
4 Casing
5 Saw blade axis
6 Fastening screw
7 Saw blade housing
8 Auxiliary arm
9Arm
10 Lifting device
11 Fastening screw
12 Guide
13 Saw blade support
14 Grinding wheel
15 Cover
16 Motor housing
17 Fastening screw
18 Screw M 6× 16
19 Fastening screw
20 Revolving base
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•Keep your tools clean. Dirt may enter the inner mechanism of your machine and cause damage.
•Do not use aggressive cleaning solution or paint thinners to clean the machine.
•Clean plastic parts with cloth dipped in soup water.
•Clean and lubricate metal surfaces with a cloth dipped in paraffin oil.
•If you are not using your machine, lubricate it with suitable grease and store it in a dry place to prevent
corrosion.
Lubrication
Lubricate working surfaces with suitable grease regularly.
Detailed description of the use of this device is not included in this manual, because the manufacturer /
distributor assumes that the user is experienced in similar type of work. Also according to the applicable
law, this device is considered as a commonly sold and used tool. If the user is unfamiliar with the use of
this device, we recommend finding out more information about using this device at the Department of
work safety.
MAINTENANCE
ELECTRICAL DRAWING. CONNECTION

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Drill sharpening
Warning: Use diamond grinding wheels for drill sharpening.
Machine set for drill sharpening (pic. 4)
Remove the saw blade housing 7
Saw blade shaft 5
Case 4
Using two screws 2 mount the support
4 on the saw blade support. To make
the installation easier, you may remove
the saw blade guide as well.
Drill sharpening process (pic. 10).
1 Lifting screw
2 Drill support
3 Fastening screw
4 Swivel screw
5 Chuck
6 Drill
7 Fastening screw
8 Fastening screw
•Place the drill 6 inside the chuck 5 and secure it in place.
•Turn the screw 1 and lift the drill support 2. Do not touch the drill.
•Loosen the fastening screws 7 and 8 and set the correct angle of the grinding wheel.
•Loosen three fastening screws on the arm as well.
•Release the screw 3 on the support 2.
•Turn the screw 4, located behind the arm and support, to align the drill with the grinding wheel.
•When finished, tighten all screws again.
•Switch the machine on and move the pole forward to sharpen the drill.
•When you sharpened one part of the drill tip, loosen the fastening screw and by turning the screw 4,
turn the drill to the next part of the tip. Then tighten the fastening screw 3 again.
pic. 10
7
Maximum adjustable distance between axis of the sharpened wheel (saw blade) and the
grinding wheel.
Description of parts for drill sharpening
1 Swivel screw
2 Screw M 6x 16
3 Safety screw
4 Tool case
5 Chuck
Saw blade sharpening (pic. 1)
If you want to sharpen saw blade, you do not need to perform any adjustments because your machine is set
for saw blade sharpening from the factory. Please, pay attention to the following items:
•Slide the axis of the saw blade 5, all the way inside the support of the saw blade 2.
•Firmly tighten the screw 3 to maintain precision during sharpening.
•Tighten and turn around all parts during assembly.
•Fix the guide 12 on the revolving base 20.
pic. 4
pic. 3
375

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Installation of the grinding wheel (pic.5)
1 Grinding wheel cover
2 Grinding wheel
3 Nut M12
4 Driving engine shaft
5 Housing
6 Grinding wheel support
•Remove the cover 1
•Place the support of the grinding
wheel 6 on the engine shaft.
•Mount the grinding wheel 2 to the
support of the grinding wheel.
•Mount the housing 5 and screw the
nut 3 in.
•Tighten the nut 3 with a wrench.
•Turn the wheel by hand and observe if the wheel
bounces up and down or side to side.
•If everything is ok, place and fix the cover 1 in place.
Adjusting the support of the saw blade (pic. 4)
•Adjust the position of the saw blade support 13
against the grinding wheel 14, so the distance
between them is 2 - 3 mm.
•Then tighten the screw 18.
Saw blade installation
•Measure the inner diameter of the saw blade and
use suitable case if needed.
•Place the case 4 on the axis of the saw blade 5
(pic. 4).
•Fix the saw blade housing 3 in place and tighten the
screw 6 slightly.
•Move the teeth of the saw blade toward the centre part
of the grinding wheel 14.
Setting the angle of the grinding wheel (pic. 4)
•Release the screw 19.
•Move the revolving base 18 to the left or right as
required.
•Release the screw 17.
•Adjust and tilt the engine housing 16 as needed.
pic. 5
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Adjustment of the saw blade (pic. 6)
1 Fastening screw
2 Fastening screw
3 Fastening screw
4 Positioning device
5 Saw blade support
•Loosen all fastening screws 1, 2
and 3.
•Set the saw blade in position so it is
in contact with the grinding wheel.
•Tighten the fastening screws again.
•Make sure that the swivel arm and
the saw blade support may not move
freely.
Adjustment of the guiding plate
1 Fastening screw
2 Guide
3 Saw blade support
4 Fastening screw
•Loosen two fastening screws.
•Adjust/move the guiding stud 2 up or down, left
or right to set in position as shown on pic. 5.
•Lift the plate to a position 1 - 2 mm above the
teeth of the saw blade and tighten the fastening
screws again.
Sharpening the saw blade
•Make sure that the grinding wheel and the saw
blade are not in contact before switching the
machine on.
•Wear protective gloves when handling saw
blades.
•Turn the saw blade according to the drawing
on pic. 8.
•Sharpen each tooth one by one. Make sure
that the arm and the saw blade support do not
move during the sharpening process.
•If the diameter or the front angle of the saw
blade is larger, install the grinding wheel and the
saw blade in reverse order (pic. 9) and continue
the sharpening process as usual.
pic. 6
pic. 7
pic. 9
1 2 3 4
pic. 8