Fervi 50 User manual

OPERATION AND
MAINTENANCE MANUAL
Air die grinder set
with sanding attachments
Art. 0050
ORIGINAL INSTRUCTIONS
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FOREWORD
Read this manual before operating any machinery
ORIGINAL INSTRUCTIONS
Before starting any operation it is compulsory to read this instruction manual. The guarantee
that the machine will function and perform properly is strictly dependent upon the application
of all the instructions contained in this manual.
Operator Qualification
The operators assigned to using this machine must be supplied with all of the necessary
information and instruction and should be provided with adequate training regarding
safety in pertaining to:
a) The conditions of use of the device;
b) Foreseeable abnormal situations, pursuant to Article 73 of Legislative Decree
81/08.
We guarantee the Machine's conformity to specifications and technical instructions
described in the Manual on the date of issue, listed on this page; however, the
machine may be subject to potentially major technical changes in the future, without
the Manual being updated.
Therefore, see FERVI for information about modifications that could be implemented.
REV. 2 October 2013
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CONTENTS
1 GENERAL SAFETY INSTRUCTIONS............................................................. 4
1.1 Risks Associated with the Work Area ............................................................................4
1.2 Risks Associated with the Presence of Rotating and/or Moving Parts...........................4
1.3 Personal protective equipment .....................................................................................5
1.4 Technical support..........................................................................................................5
2 DESCRIPTION OF THE GRINDER AND INTENDED USE ............................... 6
2.1 Technical specifications ................................................................................................7
2.2 Pictograms ....................................................................................................................7
2.3 Identification plates......................................................................................................7
3 IMPROPER USE AND CONTRAINDICATIONS.............................................. 8
4 COMMISSIONING...................................................................................... 9
5 HOW TO USE ........................................................................................... 10
5.1 Attaching the abrasive tools (grinding wheels) ..........................................................10
5.2 Power On / Off............................................................................................................12
6 MAINTENANCE AND CLEANING............................................................... 14
7 BILL OF MATERIALS AND SPARE PARTS.................................................. 15
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1 GENERAL SAFETY INSTRUCTIONS
1. During use, maintain control of the tool. The operators represent the most important
aspect of safety. To best protect against the risk of injury, work cautiously and
carefully.
2. The pneumatic tool should not be used and repaired by someone under the influence of
drugs or alcohol.
3. When a fault / defect is detected, immediately disconnect the power supply cord from
the tool.
4. Only carry the pneumatic tool by its handle, and without pressing the start lever.
Always disconnect the compressed air supply hose before transport.
1.1 Risks Associated with the Work Area
1. Keep unqualified people, children, etc. away from the work environment and the
pneumatic tool.
2. Only use to tool with proper lighting and visibility.
3. Pay attention in unknown work environments and areas. The pneumatic tool is not
isolated from the power supply.
4. Be especially careful to avoid contact with dust, air jets or other pollutants. If
necessary, wear a dust mask.
5. It is important to maintain a stable and secure position while working. Beware of air
hoses, which can cause you to trip and fall.
1.2 Risks Associated with the Presence of Rotating and/or Moving
Parts
Grab the pneumatic tool correctly, using the appropriate "torch" handle.
Never touch the rotating parts of the tool, particularly the grinding wheel and the grinding
wheel chuck.
Vibration, repetitive motions and uncomfortable positions may be harmful to your arms and
hands. Discontinue use of the grinder if you experience symptoms of physical discomfort,
tingling and pain.
While working, do not wear loose clothing or jewellery that could get caught in the moving
parts of the tool. Similarly, put hair back in a net or a cap.
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1.3 Personal protective equipment
When using the pneumatic tool, always wear the following:
Safety shoes Work gloves Hearing protection
(cap, earplugs, etc.) Protective goggles
1.4 Technical support
For any problems and/or concerns, please contact, without hesitation, the Customer Service
Department of the dealer, who has specialised staff, specific equipment and spare parts.
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2 DESCRIPTION OF THE GRINDER AND INTENDED
USE
The grinder is a portable pneumatic tool, to be used for grinding, finishing and chamfering of
small surfaces. By changing the abrasive tools (grinding wheels), it is possible to grind or
polish different materials, such as metals, wood and plastic.
The grinder Art. 0050 is made up of the following parts (see Figure 1):
Figure 1 – Grinder blow mould case Art. 0050.
1
A "torch" shape
d shell, which contains the vane rotor and
other moving parts;
2The spindle for mounting the grinding wheels;
3The start lever of the grinder.
Art. 0050 is provided with a blow mould case containing the following additional
accessories:
A. five grinding wheels with shaft 3 mm;
B. five grinding wheels with shaft 6 mm;
C. a spare chuck for the assembly of the wheels;
D. two keys for the assembly / disassembly of the grinding wheels;
E. a nozzle for the connection of the supply tube.
2
1
3
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2.1 Technical specifications
Operating pressure
(kPa/bar) 600 / 6 Air intake (l/min) 120
Rotation speed
(rev/min) 22,000 Empty weight (kg) 0.8
Sound pressure level emitted into the environment (dB (A)) 82.5
Vibration transmitted to the hand-arm system (m/s2) <2.5
2.2 Pictograms
An obligation pictogram is affixed to each machine:
CAREFULLY READ THE OPERATION AND MAINTENANCE MANUAL BEFORE USING THE
TOOL!
Figure 2 – Close-up of the pictograms
2.3 Identification plates
There is an identification plate on each machine, which shows the following data:
The name and address of the manufacturer;
Model/serial number;
Year of construction;
Maximum working pressure;
Nominal rotation speed.
Figure 3 – Close-up of the identification plate.
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3 IMPROPER USE AND CONTRAINDICATIONS
IT IS STRICTLY FORBIDDEN !!
Allow the tool to be used by untrained personnel and those who have not read the
instruction manual;
Use the tool for different purposes and uses other than those for which it was designed,
i.e. grinding, smoothing, polishing and buffing;
Use the tool in humid conditions, explosive atmospheres or near flammable surfaces or
gases;
Use the tool without wearing appropriate PPE, such as footwear, gloves, hearing
protectors and goggles;
Touch rotating parts during operation;
Use the tool in the presence of children;
Leave the compressed air supply hose inserted after work or while changing the
grinding wheel;
Point the grinder in the direction of people or animals;
Block or insert objects into the air outlet grille;
Modify and/or tamper with the tool;
Use pneumatic power supplies other than as prescribed;
Place the tool in contact with electrically active objects;
Use the tool when disassembled;
Use grinding wheels and/or brushes that are not designed for the tool's rotational
speed.
Use rotary blades or knives.
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4 COMMISSIONING
1. Remove the air inlet cap, then screw the nozzle into hole: 1/4" NPT Male Quick-Release
Coupling
2. Put a few drops of lubricating oil (without resin acid) in the air inlet nozzle.
3. Check the flexible air supply hose.
If it is damaged, broken, torn or deformed it must not be connected to the tool.
4. Check the state of the quick-release couplings (both on the tool and the hose). If signs of
damage are detected, it is broken or excessively corroded, the tool or the flexible hose
cannot be used.
5. The tool must be connected to the air supply source by means of an FRL air conditioning
unit, consisting of a filter, pressure regulator and lubricator, as shown in Figure 4.
The compressed air used must be clean and with the right mix of oil. Adjust the lubricator
in such a way that it applies 3 to 6 drops of oil per minute. Furthermore, the maximum
length of the hose between the lubricator and the tool must be a maximum of 6/8 meters.
Figure 4 – Connecting the air supply
6. Insert the quick coupling of the supply hose into the air inlet nozzle at the bottom of the
grinder.
Air Pressure
To ensure proper operation and compliance with safety regulations, the operating pressure of
the compressed air must not exceed 600 kPa (6 bars).
Higher pressures may cause damage and excessive wear of the tool.
Information on the working pressure is displayed on the tool's CE plate and in the
instructions.
Crushing and Cutting
When connecting the air supply hose to the tool, do not hold down the grinder's power lever
while attaching the quick coupling.
Anti-wear
tube
Tool Tube
Quick release
connector
Nozzle
Pressure regulator
FilterOiler
Centralised
circuit
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5 HOW TO USE
5.1 Attaching the abrasive tools (grinding wheels)
Crushing and Cutting
Before attaching and/or removing the grinding wheels, always remove the air supply hose.
Protective gloves
Before attaching and/or removing the grinding wheels, wear suitable protective gloves.
1. Choose the grinding wheel with the desired shape and size.
2. Insert the tool chuck into the grinder shaft.
Choice of Chuck
Choose a tool chuck that has a central hole equal to that of the tool's shaft For example, if
you want to use a grinding wheel with a 6mm shaft, choose a chuck with a central hole of 6
mm.
3. Screw the spindle onto the grinder shaft, but do not tighten completely.
Figure 5 – Mounting the tool
4. Insert the grinding tool into the spindle, inserting the shaft into the tool chuck by at least
10mm.
5. Using the keys supplied, firmly and securely tighten the spindle.
A B
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Crushing and Cutting
Always be sure to insert the shaft of the grinding wheel into the hole of the tool chuck
by at least 10mm.
Always make sure that the tool is assembled correctly while trying to manually remove
it from the grinder.
If it is too short or incorrectly tightened, the grinding wheel may suddenly release and
may hit the operator in the face or chest.
Figure 6 – Mounting the tool
Assembling the Grinding Wheel
Always check that the grinding wheel is compatible with the pneumatic tool.
Check that the wheel is in good condition, i.e. no cracks and not completely worn out, before
operating.
Make sure the grinding wheel is fully inserted and locked into the tool chuck.
B
A
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5.2 Power On / Off
(Personal Protective Equipment) PPE
Before using the grinder, wear suitable work clothing, gloves, shoes and protective goggles.
Also wear a mask if you work with materials that produce dust or fumes.
Also wear protective devices for the ears (hearing protectors), such as earmuffs, earplugs,
etc.
Workspace
Be familiar with the work area.
Always check the work area before using the grinder.
Keep the work area clean, uncluttered and well lit.
Machining metals, such as magnesium, can lead to the formation of potentially explosive or
combustible dust or fumes; therefore, avoid the presence of flames or hot surfaces in the
work area.
After assembling the grinding wheel and connecting the flexible compressed air supply hose,
grab the grinder by its "torch" handle.
The Grinder is equipped with a knob for adjusting
the grinding wheel's rotation speed according to the
type of material: the harder the material, the
greater the speed of rotation.
Turn the grinding wheel speed adjustment knob to
the desired position:
HI (on the right)to increase the speed
LO (on the left)to reduce the speed
Figure 7 – Speed adjustment.
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To start the grinder (to rotate the tool), press the safety lever forward with your thumb
(Figure 8/A), then press the lever against the housing of the grinder (Figure 8/B).
Figure 8 - Starting the grinder.
The grinder's start lever is a continuous hold lever, in the sense that the function controlled
(i.e., the rotation of the grinding wheel) is active as long as the lever itself is kept pressed.
Therefore, release the lever to shut it down in an emergency.
Emergency
In case of an emergency, immediately release the grinder's power lever.
Disconnect the air hose and turn off the tool in the event of the following:
to replace the wheels;
to clean, rebuild or perform maintenance on the grinder;
if the grinder is not used for some time.
A
B
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6 MAINTENANCE AND CLEANING
The purpose of this chapter is to provide all the information on maintenance procedures and
their frequency as required by the Grinder.
INTERVENTION Frequency
Daily Weekly
1. General visual inspection X
2. General cleaning X
3. Clean the air outlet nozzle X
4. Lubricate moving parts X
1. General visual inspection: check the overall condition of the pneumatic tool,
particularly for any damaged or missing parts. Also check for the presence and legibility
of plates.
2. General cleaning: cleaning is necessary to rid the body of oil deposits, dust or dirt
accumulation.
Risks associated with cleaning
Disconnect the air supply hose and clean the body of the tool. Do not use organic solvents to
avoid corrosion or discolouration.
3. Cleaning the air outlet nozzle: cleaning is necessary to free the hot air outlet nozzle
and filter of dirt accumulation. Do not use paint thinner, gasoline, or similar substances to
clean the nozzle.
4. Lubricating moving parts: lubricate all the gears and
moving mechanical parts on the grinder by inserting
lubricating oil inside the compressed air intake nozzle at least
once a day. To do this, disconnect the air hose, turn over the
grinder and put a few drops of oil into the nozzle using an
suitable oiler (
5. Figure 9). Figure 9 – Lubricating
the nozzle.
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7 BILL OF MATERIALS AND SPARE PARTS
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Ref. Description Ref. Description
0050/01 Tool body 0050/18 Bearing
0050/02 Valve 0050/19 Rear cylinder head
0050/03 Trigger 0050/20 Steel ball
0050/04 Rivet 0050/21 Rotor
0050/05 O-ring 0050/22 Chuck fastening ring nut
0050/06 O-ring 0050/23 Cylinder
0050/07 Pin 0050/24 Plastic ring nut
0050/08 Conical spring 0050/25 Front cylinder head
0050/09 Adjustment knob 0050/26 Straight pin
0050/10 O-ring 0050/27 Bearing
0050/11 O-ring 0050/28 Intake
0050/12 Nut 0050/29 Lock ring nut
0050/13 O-ring 0050/30 Washer
0050/14 Release ring nut 0050/31 Coupling 1/4”
0050/15 O-ring 0050/32 Connection nut
0050/16 Inlet coupling 0050/33 Hex wrench
0050/17 Rubber coating 0050/34 Coupling 1/8”
0050/ALET FINS
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