WerkMaster Cobra Manuale utente

WerkMaster Grinders and Sanders Inc.

6932 Greenwood Street, Burnaby, BC V5A 1X8

tel: 604.629.8700 | toll free: 1.866.373.WERK | fax: 604.444.4231

www.werkmaster.com | email: support@werkmaster.com

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IMPORTANT: Read before using your new machine

OPERATOR’S MANUAL

LIABILITY LIMITATIONS

The remedies of the user set forth under provisions of warranty outlined at the

end of this manual are the exclusive and total liability of WerkMaster Grinders &

Sanders Inc. with the respect to their sale or the equipment and service furnished

hereunder, in connection with the performance or breach thereof, or from the

sale, delivery, installation, repair or technical direction covered by or furnished

under the sale, whether based on contract, warranty, negligence, indemnity, strict

liability, or otherwise shall not exceed the purchase price of the unit of equipment

upon which such liability is based.

WerkMaster will not in any event be liable to the user, any successors in interest

or any beneficiary or assignee relating to this sale for any consequential,

incidental, indirect, special or punitive damages arising out of this sale or any

breach thereof, or any defects on, or failure of, or malfunction of the equipment

under this sale based upon loss of use, lost profits or revenue, interest, lost

goodwill, work stoppage, impairment of other goods, loss by reason of shutdown

or non-operation, increased expenses of operation of the equipment, cost of

purchase or replacement power of claims of users or customers of the user for

service interruption whether or not such loss or damage is based on contract,

warranty, negligence, indemnity, strict liability, or otherwise.

WerkMaster reserves the right to modify, alter and improve any part or parts

without incurring any obligation to replace any part or parts previously sold

without such modified, altered or improved part or parts.

No person is authorized to give any other warranty or to assume any additional

obligation on WerkMaster’s behalf unless made in writing and signed by an

officer of WerkMaster.

As a condition of these warranties, you are responsible for properly using,

maintaining, and caring for your machine as outlined in this Owner’s Manual.

WerkMaster recommends that you maintain copies of all maintenance records

and receipts for review by WerkMaster.

USE ONLY GENUINE WERKMASTER PARTS AND ACCESSORIES FOR

YOUR OWN SAFETY, THE SAFETY OF OTHERS AND THE LIFE OF YOUR

MACHINE. THIS WARRANTY IS NOT VALID IF YOUR MACHINE HAS BEEN

MODIFIED WITHOUT WERKMASTER’S AUTHORIZATION OR REPAIRED

WITH UNAUTHORIZED REPLACEMENT PARTS.

OPERATOR’S)MANUAL))

Page!1!)

CONTENTS

Introduction)....................................................................................................)2!

MACHINE DESCRIPTIONS).............................................................................)2!

Specifications)..................................................................................................)3!

Safety Precautions).........................................................................................)4!

Personal Protective Equipment!.............................................................................!4!

Physical and Mental Fitness!..................................................................................!4!

Safe Operating Distance!........................................................................................!4!

Power!......................................................................................................................!4!

Safe Operating Conditions!....................................................................................!5!

Modifications!...........................................................................................................!5!

Power and Connectivity)..................................................................................)5!

General Connections!.............................................................................................!6!

Adapter Cords!........................................................................................................!6!

Pigtails!.....................................................................................................................!6!

Breakout Box!..........................................................................................................!6!

Quick 220 Adapter!.................................................................................................!6!

Power Cord Minimum Requirements!....................................................................!6!

Generator Minimum Requirements!........................................................................!7!

Introduction to the Controls)............................................................................)7!

Machine Controls!....................................................................................................!7!

VFD Controls!...........................................................................................................!7!

Machine Operation)..........................................................................................)7!

Changing Tools!......................................................................................................!8!

Adjusting the Dust Skirt!.........................................................................................!8!

Adjusting the Handle!..............................................................................................!9!

Starting the Machine!..............................................................................................!9!

Adjusting the Speed!...............................................................................................!9!

Stopping the Machine!...........................................................................................!10!

Viewing the Total Run Time!.................................................................................!10!

Installing and Removing the Pad Driver!..............................................................!11!

Rotation Pattern of Tooling Plates!.......................................................................!12!

Replacing the!.........................................................................................................!12!

Shear Pins!.............................................................................................................!12!

Changing the Primary Belt!....................................................................................!13!

Changing the Secondary Belt!...............................................................................!14!

VACUUM PORT).............................................................................................)16!

WATER FEATURE).........................................................................................)17!

Maintenance)..................................................................................................)18!

Daily!.......................................................................................................................!18!

Weekly!...................................................................................................................!18!

Monthly!...................................................................................................................!18!

Troubleshooting)............................................................................................)19!

APPENDIX – VFD troubleshooting and diagnostics).....................................)21!

EXPLODED VIEW AND PARTS LIST – COBRA and PYTHON)......................)24!

Glossary)........................................................................................................)29!

RPA!.......................................................................................................................!29!

VCT!.......................................................................................................................!29!

Warranty Information)....................................................................................)30!

OPERATOR’S)MANUAL))

Page!2!)

INTRODUCTION))

Congratulations on your purchase of a WerkMaster machine. WerkMaster

machines allow professional surface prep, polishing, grinding, edging, buffing

and restoration of virtually any surface material, including concrete, terrazzo,

stone, and hardwood. This manual is provided to assist you in the operation and

maintenance of your WerkMaster.

MACHINE DESCRIPTIONS

WerkMaster machines include the SCARAB, RASP, THE EDGE, THE BOSS,

MIROIR, COBRA, PYTHON, RAZOR, TITAN XT, COLOSSOS XTX and

MAGNUM XTX models. To see the complete family of WerkMaster machines visit

our website at www.werkmaster.com.

COBRA

•Aggressive and powerful surface prep and polish machine, designed to

meet the needs of today’s general contractors, facility maintenance

contractors and equipment rentals

•7 Machines in 1 – grinds, sands, strips, polishes, buffs, burnishes, and

edges

•Use for concrete floor prep and polish, as an edger on large commercial

and industrial jobs, or for retail and small commercial polishing and surface

Remove thinset, epoxy, glue, paint and mastic on concrete; works on

spalled and rained out concrete

•Run wet or dry

•Edge to within 1/8” (3 mm) of the wall

•Has an adjustable, foldable handle for easy transport

•Features WerkMaster Multi-Disc technology with 6 counter-rotating heads

and the versatility of using our 6” (152mm) ULTRA-FLEX Plug ‘N Go

tooling system

•Features auto sensing dual phase variable frequency drive that lets you run

at speeds from 450 to 1160 RPM

•Run on 220V 1 or 3 phase; can also be run on two 110V outlets using

WerkMaster’s Quick 220 kit (sold separately)

•Change the tooling and the COBRA can be used on hardwood, stone and

terrazzo

PYTHON

•Aggressive and powerful surface prep and polish machine, designed to

meet the needs of today’s general contactor, facility maintenance

contractors and equipment rentals

•7 Machines in 1 – grinds, sands, strips, polishes, buffs, burnishes, and

edges

•Features a large capacity Water Tank ideal for refinishing and polishing

soft stone (marble), hard stone (granite) and terrazzo

•Remove thinset, epoxy, glue, paint and mastic on stone, terrazzo and vinyl

flooring

•Run wet or dry

•Edge to within 1/8” (3 mm) of the wall

OPERATOR’S)MANUAL))

Page!3!)

•Has an adjustable, foldable handle for easy transport

•Features WerkMaster Multi-Disc technology with 6 counter-rotating heads

and the versatility of using our 6” (152mm) ULTRA-FLEX Plug ‘N Go

tooling system

•Features auto sensing dual phase variable frequency drive that lets you run

at speeds from 450 to 1600 RPM

•Runs on 220V 1 or 3 phase; can also be run on two 110V outlets using

WerkMaster’s Quick 220 kit (sold separately)

•Change the tooling and the PYTHON can be used on concrete and

hardwood

RAZOR

•Professional hardwood floor sander

•Designed to meet the needs of contractors, facility services, equipment

rentals and DIYers

•Use SandPaperLess Refinishing System on hardwood and engineered

hardwood to safely remove aluminum oxide, wax, varnish, shellac and

other floor finishes

•Use on plywood and concrete subfloors to easily remove carpet glue,

thinset, VCT glue, epoxy, paint, and to flatten and level uneven floors

•Refinish wood decks

•Edges to within 1/8” (3mm) of the wall

•Use one machine for both field and edge

•Equipped with 6 counter-rotating heads and the versatility of using either

our 6” (152mm) ULTRA-FLEX full plate tools and sandpapers or the

WerkMaster Plug ‘N Go tooling system

•Has!an!adjustable,!foldable!handle!for!easy!transport!

•Features auto sensing dual phase variable frequency drive that lets you run

at speeds from 450 to 1600 RPM

•Runs on 220V 1 or 3 phase; can also be run on two 110V outlets using

WerkMaster’s Quick 220 kit (sold separately)

•Change the tooling and the RAZOR can be used on concrete, terrazzo and

stone

SPECIFICATIONS)

MODEL COBRA PYTHON

RAZOR

Dimensions l x w in

l x w cm

30 x 17 (handle included)

76 x 73

38 x 17 (handle included)

96.5 x 73

30 x 17 (handle included)

76 x 73

Disc Size: in / cm

6 / 152

6 x 152

6 / 152

Weight lb / kg

362 / 164.2

382 / 173.3

362 / 164.2

Disc Speed: RPM

400-1160

Horsepower: HP

Phase: Ph

1~ / 3~

Vacuum Req: CFM

200

Min. Generator: kW

Frequency Hz

50 / 60

Breaker Size: Amp

Voltage V

200-230

110 with Quick 220

(sold separately)

200-230

110 with Quick 220

(sold separately)

200-230

110 with Quick 220

(sold separately)

OPERATOR’S)MANUAL))

Page!4!)

SAFETY PRECAUTIONS

)

Read this manual and all the safety precautions before attempting to

operate WerkMaster machines. Failure to follow the safety precautions may

result in severe personal injury or death. This product is intended for

commercial use.

•Wear eye and ear protection at all times when operating WerkMaster

machines. Use only ANSI/OSHA-approved safety glasses to help prevent

eye injury.

•Wear appropriate clothing and footwear when operating WerkMaster

machines. Do not wear loose clothing or jewelry that may become

entangled in moving parts.

•Exposure to wood dust may cause health problems. To reduce your risk,

work in a well-ventilated area, use a dust control system such as an

industrial-style vacuum, and wear approved personal safety equipment,

such as a dust or particle respirator designed to filter out microscopic

particles.

•Crystalline silica from bricks and concrete and other masonry products may

cause health problems. To reduce your risk, work in a well-ventilated area,

use a dust control system such as an industrial-style vacuum, and wear

approved personal safety equipment, such as a dust or particle respirator

designed to filter out microscopic particles.

•NEVER operate WerkMaster machines under the influence of drugs or

alcohol, when taking medications that impair the senses or reactions, or

when excessively tired or under stress.

•Only operate and maintain WerkMaster machines if you are trained in their

use and are in good physical condition and mental health. You must be

physically able to handle their bulk, weight and power.

•WerkMaster machines are to be operated by one person at a time. Maintain a

safe operating distance to other personnel. Keep bystanders a safe distance

away during operation by blocking off the work area in all directions with roping,

safety netting, or other material. Failure to do so may result in someone being

injured by flying debris or being exposed to harmful dust and noise.

•Maintain a safe operating distance from flammable materials. Sparks from

the cutting action may ignite flammable materials or vapors.

•Unplug the WerkMaster’s power cord when not in use and before servicing

or changing tooling plates.

•Turn the WerkMaster machine off before disconnecting power.

•DO NOT disconnect power by pulling the cord. To disconnect power, grasp

the plug, not the cord. To remove twist-lock plugs, turn counter-clockwise

and pull apart, and to engage the plugs, push in and turn clockwise.

•DO NOT turn on the WerkMaster while it is tilted back. Any tooling fastened

to the WerkMaster may eject and become a lethal projectile.

•While in use, ground this floor-finishing machine to protect the operator

from electric shock. The machine is provided with a three-conductor cord

and a three-contact grounding type attachment plug to fit the proper

grounding type receptacle. The green (or green and yellow) conductor in

Personal Protective

Equipment

Physical and

Mental Fitness

Safe Operating Distance

Power

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! )WARNING)

OPERATOR’S)MANUAL))

Page!5!)

the cord is the grounding wire. NEVER connect this wire to other than the

grounding pin of the attachment plug.

•Be sure all safety decals on the machine can be clearly read and

understood. Replace damaged or missing decals immediately.

•Maintain WerkMaster machines in safe operating condition with all guards

in place and secure, all mechanical fasteners tight, all controls in working

order, and the grinder configured for the job application whether concrete,

stone, terrazzo, wood or other surfaces.

•To prevent damage to your machine or severe personal injury, avoid

protruding slab inserts, nails, screws, Hilti anchors, rebar, embedded bolts

or any other debris, pipe extensions, machinery bases, or any objects that

transmit sudden shock to the grinding assembly.

•Inspect the tooling carefully before installing. DO NOT use any tooling that

exhibits signs of damage, as severe personal injury or damage to the

equipment could result.

•NEVER leave WerkMaster machines running unattended.

•Risk of Explosion: Grinding/polishing concrete surfaces and sanding/finishing

wood floors can result in an explosive mixture of fine dust and air. Use this

machine only in a well-ventilated area free from any flame, match or

combustibles materials.

Dust generated from sanding wood floors can spontaneously ignite or

explode. Promptly dispose of any sanding dust in a metal container clear of

any combustibles. Do not dispose of in a fire.

•DO NOT modify WerkMaster machines. Modifications will void the

warranty and may result in injury to persons and damage to the machine.

POWER AND CONNECTIVITY

WerkMaster machines are outfitted with a variable-frequency drive (VFD) that

allows the desired grinding speed to be selected. Along with controlling the

speed of the machine, the VFD features include the following:

•Undervoltage protection (damages most single-phase motors)

•+/- 10% voltage protection

•60 Hz and 50 Hz capability (international)

•Wide voltage range (200–230V)

•Soft start (smaller generator requirements)

•Monitor pad speed display

NEVER open the VFD panel while plugged in or immediately after

unplugging the power cord. Severe injury or death may result.

Safe Operating Conditions

Modifications

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OPERATOR’S)MANUAL))

Page!6!)

WerkMaster machines come with a variety of different plug configurations. The

following table lists the plug used on the COBRA, RAZOR and the PYTHON.

MODEL COBRA PYTHON RAZOR

Voltage

250V

Breaker Size

30 A

Phase Configuration

3 Phase

Cord End

4 pole 3 wire twist lock

WerkMaster machines come in a variety of voltage and phase configurations.

The COBRA, RAZOR and PYTHON are typically configured to operate on 208-

230V three-phase power. They are capable of operating on single-phase 208-

230V power with the use of a single-phase to 3-phase adapter cord (included),

as well as 110V using a Quick 220 and a 20 Amp adapter cord.

Pigtails are plug ends with unfinished bare wire on one end for hooking up to

panels. Pigtails are used when connectivity is unknown, when connecting to the

power grid of an unfinished building that has no power receptacles, or when

operating certain generators. Many pigtails are available or can be made up by

an electrician.

ONLY certified electricians should make and/or install a pigtail in to a

panel.

Draws power from either a stove/range or a dryer outlet and breaks it out into 2 x

20 Amp circuits that can be used to power both a WerkMaster machine and

auxiliary equipment such as a vacuum of the 110V Quad Box (sold separately).

When using the machines in a residential environment, source power may be

hard to find. Plug two 110V cords from the Quick 220 into the 110V wall outlet on

two (2) separate circuits on opposite sides of the panel. Plug the WerkMaster

machine into the 20 AMP TO 30 AMP adapter cord and the cord into the Quick

220 Adapter.

NOTE: For both the Breakout Box and the Quick 220Adapter a 20 Amp to 30

Amp single-phase to three-phase adapter with a 10/3 cord (sold separately) OR

a 20 Amp to 30Amp to three-phase adapter on a 10/4 cord (sold separately) is

required.

The following table lists the minimum requirements for power cords.

General Connections

Adapter Cords

Pigtails

Breakout Box

Quick 220 Adapter

Power Cord

Minimum Requirements

MODEL

DISTANCE

MINIMUM REQUIREMENT

COBRA

Up to 300 ft

Single-phase minimum gauge of 10/3

Three-phase minimum gauge of 10/4

PYTHON

Up to 300 ft

Single-phase minimum gauge of 10/3

Three-phase minimum gauge of 10/4

RAZOR

Up to 300 ft

Single-phase minimum gauge of 10/3

Three-phase minimum gauge of 10/4

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OPERATOR’S)MANUAL))

Page!7!)

The minimum generator requirement for the COBRA is 6 kW.!!

Exercise extreme caution at all times when working with electrical power.

WerkMaster strongly recommends that only certified electricians be permitted to

work with electrical power sources within a customer’s facility or on their job site.

INTRODUCTION TO THE CONTROLS

All machine operating controls are found on the handle NOT on the keypad of the

VFD.

The VFD controls are locked out to avoid accidentally changing necessary

parameters.

MACHINE OPERATION

)

ALWAYS turn off and disconnect power from the machine when performing any

operations to the bottom of the machine. The machine and the tooling may be

hot after using.

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Fig.!1!!!!!!!!!!!Fig.!!2!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Fig.!3!

Generator

Minimum Requirements

Machine Controls

VFD Controls

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! )WARNING)

OPERATOR’S)MANUAL))

Page!8!)

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Fig.!4!!!!!!!!!!!!!Fig.!5!

1. Unplug the power cord from the twist lock inlet (C).

2. Ensure the handle is in its full upright position (Fig 2). Tilt the machine back

(Fig 3).

3. Choose the appropriate tooling holder attachment – magnetic Plug ‘N Go plate

(D) (Fig 4) for Metal Bond tools or Foam/Hook and Loop Adapter plate for

polishing resins and sanding pads.

4. Insert the two shear pins (N) through the compression foam pad (E) into the

rubber grommets on the pad driver (F). Attach the tooling to the plate.

4. Return the machine to the upright position (Fig 2).!

The dust skirt (G) serves as a seal for the bottom of the machine acting as a

vacuum chamber helping the dust stay contained under the machine. If the skirt

is too far from the ground, the dust containment is reduced.

To adjust the skirt:

1. Remove loop retaining strap (L)

2. Pull one end of the skirt off the front of the machine until you reach the middle

of the skirt at the rear of the drive train,

3. Position the skirt until it is barely touching the ground and repeat with the other

end.

4. Pull the skirt snug. The two ends of the skirt should not touch. You may have a

gap of up to one inch. Replace the loop retaining strap.

Avoid positioning the skirt too low as it will drag against the ground, wearing the

skirt out prematurely and possibly preventing smooth machine movement.

Changing Tools

)

Adjusting the Dust Skirt

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