Lissmac FS 20 B D Owner's manual

1

OPERATING MANUIAL

FLOOR SAW

FS 20/1 B

FS 20 D

FS 20/1 B/VE

FS 20 D/VE

Stand 06/2022

LISSMAC Maschinenbau GmbH

Lanzstrasse 4

D-88410 Bad Wurzach

Telefon +49 (0) 7564 / 307 - 0

Telefax +49 (0) 7564 / 307 - 500

lissmac@lissmac.com

www.lissmac.com

DE

2

Foreword to the operating instructions

These operating instructions are intended to make it easier to become acquainted with the machine

and to use it for its intended purpose.

The operating instructions contain important information on how to operate the machine safely,

properly and economically. Observance of these instructions helps to avoid danger, to reduce repair

costs and downtimes and to increase the reliability and service life of the machine.

The operating instructions must be supplemented by instructions based on existing national regula-

tions for accident prevention and environmental protection.

The operating instructions must always be available at the place of use of the machine.

The operating instructions must be read and used by every person who is involved in work with the

machine, e.g:

- Operation, including setup, troubleshooting in the work sequence, disposal of production waste,

maintenance, disposal of operating and auxiliary materials.

- maintenance (servicing, inspection, repair) and/or

- transport

is commissioned.

In addition to the operating instructions and the binding accident prevention regulations applicable in

the country of use and at the place of use, the recognized technical rules for safety and technical work

must also be observed.

Table of contents

1 Basic safety instructions

2. machine description

3. commissioning

4. transport

5. operation

6. parking

8. maintenance

9. troubleshooting

10. additional operating instructions for FS 20 B/VE and D/VE

11. maintenance protocol

12. warranty

Circuit diagram, CE declaration of confiormity

3

1. General Safety Notes

Warning Labels and Symbols used in this Manual

Warning !

Indicates that failure to observe this warning may result in seri-

ous injury or even death.

Attention !

Indicates that failure to observe this warning may result in injury.

NOTE

Indicates that failure to observe this warning may result in dam-

age to the device or other property.

Symbols on the machine:

Observe the operating manual

Wear hearing protection

Sound emission level

The machine must not be transferred

with rotating saw blade

Checking the

Drive belt tension

Select driving direction

(Model VE only)

Transport

Transfer

Cutting

Attachment point for

Crane transport

Running direction of the

Saw blade

Gearbox setting

Keep the operating instructions for later use!

Target group: These operating instructions are intended for semi-skilled and trained personnel

from the fields of construction mechanics, concrete cutting technology, road construction, structural

and civil engineering.

4

1.2 General Safe Operating Procedures

1.2.1 The machine has been manufactured in keeping with the most recent technology and the rec-

ognised safety rules. Nevertheless there may be some risk of a hazard to life and limb of the user or

third persons or impairments of the machine and other real assets respectively.

1.2.2 Use the machine only in good working condition and follow all procedures concerning correct

and safe operation, as outlined in the manual! This applies specifically to malfunctions that can jeop-

ardise safety!

1.2.3 This floor saw is intended for cutting concrete or asphalt exclusively.

The cutting of wood, plastic material or metal (except concrete reinforcements) is not permitted!

Any other utilisation of this floor saw is considered inadmissible.

The manufacturer/supplier is not liable for any damage caused by undue application.

Correct operation also requires following instructions in the operating

manual as well as inspection and maintenance procedures.

1.3 Organisational Measures

1.3.1 Always keep the operating manual close to the machine and easily accessible!

1.3.2 Follow all laws and regulations concerning accident prevention and environmental

compliance listed in the supplement to this operating manual. These regulations

can, for example, apply to the use of dangerous chemicals, personal protective

equipment, and traffic laws.

1.3.3 Any personnel working on the machine must read this operating manual

especially this chapter on safety precautions-prior to beginning. Learning on

the job is too late. This especially applies to personnel who occasionally work

on the machine (e.g. setup and maintenance crews).

1.3.4 Perform regular spot checks to ensure that personnel are doing their jobs in a safe and consci-

entious manner and that they are adhering to the instructions in the operating manual!

Use personal protective equipment whenever necessary or when required by regulations!

1.3.6 Pay attention to all safety and danger warning labels located on the machine!

1.3.7 Keep all safety and danger warning labels in/on the machine completely legible!

1.3.8 Stop the machine and notify the parties in charge when performing safety- related changes o

the machine or its operation!

1.3.9 Make no alterations and do not add componentry or rebuild the machine

without permission from the manufacturer!

1.3.10 Use only original spare parts!

1.3.11 Perform all scheduled inspections as needed, or use the scheduled intervals

outlined in the operating manual!

For carrying out maintenance work, adequate workshop equipment is

indispensable.

5

1.4 Qualifications for Selecting Operators; Fundamental Responsibilities

1.4.1 Only personnel of proven reliability is allowed to operate the machine. Observe legal minimum

age requirements!

1.4.2 Use only qualified and trained personnel. Clearly define staff responsibilities concerning oper-

ation of machine, setup, maintenance, and repair works!

1.4.3 Ensure that the floor saw is handled only by persons instructed to do so.

1.4.4 Define machine operator's responsibility - also in respect to road traffic regulations - and his

ability to object to instructions not in compliance with the safety regulations!

Apprentices, new employees, or personnel being trained must be

accompanied at all times by an experienced operator while working

on the machine!

1.4.6 Any work at the electrical equipment of the floor saw must be carried out by a qualified electri-

cian only or a trained person under the supervision of a qualified electrician, in accordance with the

rules and standards for electronics.

6

1.5 Safety notice to certain operation times

Normal Operation

1.5.1.1 Do not perform procedures that may present a safety risk!

1.5.1.2 Take steps to ensure the machine is used only when it is

in a safe, operational state!

1.5.1.3 Machine must be examined for externally visible damage at least once per

shift! Report any changes (including performance) to the appropriate

personnel at once! If necessary, immediately stop and secure the machine!

1.5.1.4 Immediately stop and secure the machine when malfunctioning!

Promptly fix the problem!

1.5.1.5 Prior to starting work, familiarise yourself with the locality and its environment. The environ-

ment may include obstacles within the working and traffic area, safe floor load, necessary protection of

the site towards public traffic areas, first aid in the case of an accident.

1.5.2 Using the Machine for Extracurricular Jobs and Maintenance Procedures, e.g. Troubleshoot-

ing; Waste Disposal

Follow the instructions in the operating manual when adjusting,

maintaining and inspecting componentry and performing scheduled

work. This includes the replacement of parts! Only qualified

personnel are allowed to perform these activities.

Notify operators of any maintenance or additional work prior to

performing it! Appoint a supervisor!

When the machine is completely turned off for maintenance or repair

work, it must be safeguarded against an unexpected restart.

1.5.2.4 Before cleaning machine with water or by steam jet or with other cleansing agents cover and

seal all openings into which, due to safety or functional reasons, water/steam/cleansing agent

may not penetrate. Particularly protect endangered electric motors and switches.

1.5.2.5 Completely remove all covers/tape after cleaning!

1.5.2.6 Tighten any loose screws after performing maintenance or repair work!

1.5.2.7 If the protective devices on the machine need to be removed for setting up,

maintenance or repairs, they must be reassembled immediately afterwards

and tested for their safety features in order to ensure safe operation!

1.5.2.8 Dispose of lubrication and auxiliary devices as well as spare parts in a safe

and environmentally friendly manner!

The machine must be operated on circuits with safety switch (FI) only.

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1.6 Precautions for Special Types of Danger

1.6.1 Electrical Power

1.6.1.1 Only use original fuses with the electrical current for which they were

designed! Immediately turn off the machine when encountering electrical

problems!

Any work on electrical equipment must be performed by a qualified

electrician only or by trained persons under the supervision by a qualified

electrician, in compliance with the regulations for electrical engineering.

Regularly inspect/check the machine’s electrical condition. Problems, such

as loose connections (e.g. damaged cables) must be immediately repaired.

1.6.2 Dust

Observe all national regulations and standards when working in small

spaces!

1.6.3 Noise

Wear mandatory hearing protection!

1.7 Transport

Ensure that your hoisting gear and load suspension devices have adequate

carrying capacity.

Have an experienced coordinator direct the lifting process!

Lift the machines using only approved lifting equipment as per the

instructions in the operating manual (striking points for loading procedures)!

Use only a vehicle providing sufficient lift capacity for transporting the

machine!

1.7.5 Secure the load. Use the appropriate striking points!

1.7.6 Turn off the power even when moving the machine only a small distance!

Before restarting, ensure the machine is securely connected!

1.7.7 Always follow the instructions in the operating manual when restarting!

1.7.8 Don’t leave the floor saw in non-braked position. * Control lever (Pos. 12) in cutting gear

means brake position

8

2. Description of Machine Componentry

2.1. Component Overview

Pos. 1 Jack ring

Pos. 2 Pointer

Pos. 3 Saw blade adjustment

Pos. 4 Scale for saw blade adjustment

Pos. 5 Brake (only FS 20 B and D)

Pos. 6 Handwheel for forward feed

Pos. 7 Water connection

Pos. 8 Saw hood bar

Pos. 9 Blade guard

Pos. 10 Flange nut

Pos. 11 Spindle nut

Pos. 12 Blade holder

Pos. 13 Spindle head

Pos. 14 Location hole for spindle head (right-hand cut)

Pos. 15 Undercarriage

Pos. 16 Push handle

Pos. 17 Lubricating point

Pos. 18 Lubricating point

Pos. 19 Lubricating point

Pos. 20 Protection cap (V-belt checking)

Pos. 21 Stop point

Pos. 22 Accelerator (22.1 Accelerator fuel, 22.2 Accelerator diesel)

Pos. 23 Ignition lock

Pos. 24 Tensioning strip

Pos. 25 Choke-button for cold-start

Pos. 26 Water tank

Pos. 27 Positioning rod axle

Pos. 28 Positioning sheet

2.2 Protection Device

Pos. 9 Blade guard

9

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2.3. Technical Data

FS 20 B FS 20 B/VE FS 20 D FS 20 D/VE

Cut depth max. 220 mm 220 mm 220 mm 220 mm

Sawing blade ∅ max. 600 mm 600 mm 600 mm 600 mm

Motor output 15,5 kW 15,5 kW 10.1 kW 10,1 kW

Fuel unleaded fuel unleaded fuel Diesel Diesel

Water tank 30 l 30 l 30 l 30 l

Empty weight 205 kg 210 kg 263 kg 268 kg

Operation weight 243 kg 248 kg 301 kg 306 kg

Length 1.100 mm 1.100 mm 1.100 mm 1.100 mm

Width 750 mm 750 mm 750 mm 750 mm

Height 1.100 mm 1.100 mm 1.100 mm 1.100 mm

Rated speed of the tools 1920 1/min 1920 1/min 1920 1/min 1920 1/min

2.4 Noise emmitted

FS 20 B + B/VE FS 20 D + D/VE

Guaranteed sound level = 114 dB (A) = 114 dB (A)

WARNING Ear muffs must be worn if a 85 dB(A) noise level is exceeded!

The acoustic emission measurement was made in consideration of EN ISO 3744, EN 13862 and the

guidline 2000/14/EEC.

2.5 Vibrations of the handle:

Operating state Total vibration value

FS 20 B + B/VE FS 20 D + D/VE

Blade diameter 600 mm ahv = 5,2 m/s-2 ahv = 11,8 m/s-2

By the measurements following guidelines were considered:

EN ISO 5349, VD, 2057 Blatt 2, Guideline 2002/44/EEC

The mentioned values were determined while cutting of concrete with a depth of 10 cm.

In practice, these values can be swayed by:

the quality of the saw blade

the heaviness of the operator

the feed speed

the condition of the machine

the composition/consistence of the concrete

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3. Commissioning

Connect water hose or fill water tank

ATTENTION Contaminated water causes obstructions!

Check motor oil level

- Fill with fuel (FS 20 B = unleaded fuel)

(FS20 D = Diesel)

ATTENTION Danger of fire and explosion!

- If required, install saw blade (see point 5.3!)

ATTENTION Saw blade protective hood must be fastened correctly!

- Fold pointer (item 2) forward, adjust steering sheet (Pos. 28) with pointer axle (Pos. 27) ac-

cording to the saw blade

- Align floor saw in the drive direction

* Place saw blade and steering disk over the cutting line

* Saw blade must not touch the surface

Start procedure FS 20 B

- Pull out the choke button (item 25) to the closed position (not required when the external tem-

perature is high or the motor is warm)

- Turn throttle lever (item. 22.1) slightly upwards

- Turn the ignition key to the right (item 23)

- As soon as the motor is running, release the ignition key

ATTENTION Do not set the motor switch on "Start" longer than 5 seconds!

- During the warm-up time, gradually push in the choke button

12

Starting procedure for FS 20 D (see motor operating manual)

- Pull on gas lever (item. 22.2) somewhat.

- Turn ignition key (item 23) to the right - until the motor is running.

- Release the ignition key again.

- Open water valve

ATTENTION If no water flows when the tank is used, you must

rinse out the water supply with fresh water

(hydrant or house connection, 5-8 bar)!

- Bring throttle lever (item 22.2) into the full-throttle position

- With the crank (item 3), lower the saw blade until it touches the ground

- Place the height scale (item. 4) on "0"

- With the crank (item 4), dip the saw blade down to the desired cutting depth (height scale

shown in cm)

ATTENTION When lowering the saw blade, the floor saw must be braked

with the spring lock (item 5)!

(for electrical feed – see supplemental operating manual 9)

- Tighten V-belt after the first two hours of operation (see point 7.1)

- Tighten all screws after the first 20 hours of operation

13

4. Transport

4.1 Transport position:

- Pointer is folded up

- Saw arm is in horizontal position

- Cutting depth adjustment is secured against twisting with the clamping lever

- Screws are tightened

- Engage brake (item 5) (for electrical feed – see supplemental operating manual 9)

ATTENTION! When transporting on a vehicle, the floor saw must be

secured with tensioning devices.

The floor saw must not be transported lying down!

4.2 Moving with a crane

4.2.1 FS 20 B

- Fold up jack rings (item 1)

- Use suspension gear with sufficient lifting capacity

4.2.2 FS 20-D

- Remove water tank

- Fold up crane suspension

- Use suspension gear with sufficient lifting capacity

4.3 Securing for transportation

4.3.1 FS 20 B

Engage brake (item 5)

Secure floor saw by attaching tensioning belts (item 24) to the rings (item 21)

Tighten second belt around the machine frame (see illustration)

FS 20 D

Engage brake (item 5)

Remove water tank

Attach tensioning belt (item 24) to the jack ring (see photo FS 20 D)

Tighten second belt around the machine frame (see illustration)

14

5. Operation

5.1 Normal cutting operation

- Bring throttle lever (item 22) into the full-throttle position

- Initiate feed movement through hand crank (item. 6) (for electrical feed, see 9)

- Adjust feed speed to the feed force

- If feed force is too great, you must check the following points:

* Saw blade blunt?

* Insufficient cooling water?

* Right choice of saw blade?

* Does the motor produce its full power or speed?

- Take care to achieve a straight cut so the saw blade does not jam.

5.2 Saw blade replacement

- Brake floor saw with spring lock (item 5)

- Remove saw hood

* Pull up saw hood by the handle (item 9)

* Loosen screw (item 8) - pull up and unhinge

- Unscrew and remove hexagon nut (item 10)

- Remove saw flange thrust washer and saw blade

- Thoroughly clean the flange's contact surfaces, if necessary

- Install new saw blade

ATTENTION * Rotation direction arrow on the saw blade must match the one

on the hood

* The driving pin on the flange must seat in the driving hole on

the saw blade!

* A laser-welded blade must be used for the variant with in-

creased speed! Blades with soldered segments must not be

used.

- Install the saw flange thrust washer and the hexagon nut

- Install the saw hood

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5.3 Choice of sawing blade

The saw blades used must meet the following conditions:

- max. saw blade diameter 600mm

- saw blade holder Ø 25.4 mm

- manufactured according to ISO 6104 or EN 13236

 Always check saw blades before installation!

 Blade for wet cutting? (1)

 Blade suitable and approved for cutting work? (5)

 Blade and mounting have the correct size? (2) (7)

 Permissible cutting speed observed? (3) (4)

 Direction of rotation? (6)

 All segments present?

 No undercut of the segments?

 Was the blade overheated? (bare steel tarnished blue = do not use!)

 No cracks in the blade?

Check: Knock with piece of wood

Blade resonates = OK

Blade sounds dull = do not use! (Exception: so-called silent blades)

Defective or cracked tools must be replaced immediately!

The following saw blades are not permitted:

- Saw blades for dry cutting

16

5.4 Conversion from left-hand to right-hand cut

ATTENTION Left-hand cut is the normal working order of the floor saw,

right-hand cut should be used for short courses only!

- Remove handwheel (6) and pointer (2)

- Disconnect water hose

- Remove saw protection cap

• Lift protection cap by its handle (9)

• Loosen and withdraw bolt (8)

- Turn crank handle (3) until spindle nut lays open (11)

- Slightly lift saw arm (12) on left-hand side

- Slightly pivot spindle head (13)

- Place saw arm (12) with sawing blade on the ground

- Pivot spindle head (13) horizontally and remove from bore hole (crank handle points to the

left)

- Remove splash guard from belt guard

- Pivot swivel arm (12) to right-hand side

- Put spindle head (13) into bore hole provided (14)

ATTENTION Possible only in a horizontal position

Turn spindle into spindle nut (11)

Fasten blade guard

- Mount handles (16) on other side

- Turn water tank and connect hose

- Reattach pointer (2) and handwheel (6)

- Reattach splash guard to blade guard

17

6. Switching-off

FS 20 B FS 20 D

- Shift accelerator (22.1) downwards - Shift back the accelerator (22.2)

- Turn left ignition key - Turn left ignition key

- Actuate brake (spring bolt 5)

- Please also observe engine operating instructions

7. MAINTENANCE

• Prior to any maintenance work - apply brake (5)

Maintenance work

daily

weekly

monthly

Clean floor saw thoroughly

ATTENTION

No steam jet cleaning!

X

Check engine oil level

X

Engine oil change (see engine operating manual)

ATTENTION:

Ste Place a suitable oil receptacle (funnel) under

the oil drain plug. Instead of a funnel, a U-support

or the transport plate (was under the wheels at de-

liveryI) can be used. Put floor saw in oblique posi-

tion, if required.

Lubrication of spindle nut for height adjustment

Normal grease (17 and 19)

X

Grease lubrication point (22) at saw arm

(normal grease)

X

Tighten all screws after 20 working hours

Restretch V-belt after first 2 hours of operation.

Please observe also the operating instructions of the motor manufacturer! (You will find it

attached on each new machine). Especially attend the safety and maintenance instructions!

IMPORTANT

We point out that any damage occurring to the engine during the guaranty period must be re-

paired by an authorized contracting partner exclusively (see our field service list).

18

8. Trouble-Shooting

8.1 Standard equipment tools inside door

Hexagon socket screw key SW 10

Fork wrench SW 36

Fork wrench SW 19

Fork wrench SW 17

Fork wrench SW 13

Fork wrench SW 10

8.2

Defect

Cause

Remedy

poor cutting performance

blunt sawing blade

not enough cooling water

slack V-belt

reduced engine performance

exchange sawing blade

clean water sieve or flush water

feed lines (5-8bar)

see points 8.2 and 8.3!

see engine manufacturer's in-

structions

floor saw does not start

engine failure or error in

handling

see engine manufacturers in-

structions

Please observe the engine manufacturer's instructions (which are attached to each new ma-

chine) and also observe especially the safety and maintenance regulations!

8.3 Checking of V-belt tension

- Remove protection cap (20)

- With medium force, it should be possible to depress the V-belt by one belt width

8.4 Adjusting the V-belt tension

- Loosen clamping bolt (8)

- Lift blade guard by handle (9)

- Remove sawing blade (see point 5.3)!

- Access to the V-belt adjusting device is provided by a rectangular opening in the belt guard.

- Loosen Allen key screw

- Unscrew lock nut on the hexagon screw

- Adjust hexagon screw as needed and fix with a lock nut

- Install saw blade and hood

- Never forget to install the protection cap (20)!

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9. Additional operating instructions for models FS 20 B/VE and D/VE

VE = electric feed system

Control functions

Pos. 1 = gearshift lever

∗ left-hand position transportation locking (brake)

∗ central/neutral position idle/manual operation

∗ right-hand position cutting

Pos. 2 = commutator switch

∗ left-hand position reverse

∗ central position stop

∗ right-hand position forward

Attention! When starting the engine, the switch must be on "stop".

Pos. 3 = Feed rate control knob

Use the electric feed only with petrol/Diesel engine running (to avoid excessive burden on the battery)

Initiate the operation

- Preconditions

∗ floor saw is in starting position

∗ sawing blade dipped at cutting depth

(s. 4 initial operation)

- control knob (3) in "0" position

- gearshift lever (1) in "cutting" position (right)

- Select cutting direction (2)

- Slowly actuate control knob (3) to commence feed motion

1 3 2

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10. Maintenance log

Date Operating hours Maintenance work performed Signature/stamp

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Lissmac FS 20 B D Owner's manual

Lissmac FS 20 B D Owner's manual

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