This manual is provided by JET, covering the safe operation and maintenance procedures for a JET ELITE Model EVC-400DGSP
Aluminium Mitre Circular Saw. This manual contains instructions on installation, safety precautions, general operating
procedures, maintenance instructions and parts breakdown. The saw has been designed and constructed to provide
consistent, long-term operation if used in accordance with the instructions as set forth in this document.
Retain this manual for future reference. If the machine transfers ownership, the manual should accompany it.
2.0 Table of Contents
Section Page
1.0 About this manual ................................................................................................................................... 3
2.0 Table of contents ..................................................................................................................................... 3
3.0 Important safety instructions .............................................................................................................. 4~5
3.1 Designated use and limitations to use ............................................................................................. 6
11.0 User maintenance .................................................................................................................................. 13
14.0 Available accessories ............................................................................................................................. 15
15.0 Replacement parts ........................................................................................................................... 16~21
READ ALL INSTRUCTIONS BEFORE USING THIS DRILL PRESS.
– To reduce risk of injury:
1. Read and understand entire owner’s manual before
attempting assembly or operation of this drill press.
2. Read and understand the warnings posted on the machine
and in this manual.
3. Replace warning labels if they become obscured or
removed.
4. This machine is designed and intended for use by properly
trained and experienced personnel only. If you are not
familiar with the proper and safe operation of a drill press,
do not use until proper training and knowledge have been
obtained.
5. Do not use this machine for other than its intended use. If
used for other purposes, JET disclaims any real or implied
warranty and holds itself harmless from any injury that may
result from that use.
6. Always wear approved safety glasses or face shield while
using this machine. (Everyday eyeglasses only have impact
resistant lenses; they are not safety glasses.)
7. Before operating this machine, remove tie, rings, watches
and other jewellery, and roll sleeves up past the elbows.
Remove loose clothing and confine long hair. Non-slip
footwear or anti-skid floor strips are recommended. Do not
wear gloves.
8. Wear hearing protection (plugs or muffs) during extended
periods of operation.
9. Some dust created by sawing may contain chemicals
known to cause cancer, birth defects or other reproductive
harm. Some examples of these chemicals are:
Lead from lead based paint.
Crystalline silica from bricks, cement and other
masonry products.
Arsenic and chromium from chemically treated
lumber.
Your risk of exposure varies, depending on how often you
do this type of work. To reduce your exposure to these
chemicals, work in a well-ventilated area and work with
approved safety equipment, such as face or dust masks
that are specifically designed to filter out microscopic
particles.
10. Do not operate this machine while tired or under the
influence of drugs, alcohol or any medication.
11. Make certain the switch is in the OFF position before
connecting the machine to the power supply. Turn off all
controls before unplugging.
12. Make certain the machine is properly grounded. Connect
to a properly grounded outlet only. See Grounding
instructions.
13. Make all machine adjustments or maintenance with the
machine unplugged from the power source.
14. Remove adjusting keys and wrenches. Form a habit of
checking to see that keys and adjusting wrenches are
removed from the machine before turning it on.
15. Keep safety guards in place at all times when the machine
is in use. If removed for maintenance purposes, use
extreme caution and replace the guards immediately after
maintenance is complete.
16. Check damaged parts. Before further use of the machine, a
guard or other part that is damaged should be carefully
checked to determine that it will operate properly and
perform its intended function. Check for alignment of
moving parts, binding of moving parts, breakage of parts,
mounting and any other conditions that may affect its
operation. A guard or other part that is damaged should be
properly repaired or replaced.
17.
Provide for adequate space surrounding work area and
non-glare, overhead lighting.
18. Keep the floor around the machine clean and free of scrap
material, oil and grease.
19. Keep visitors a safe distance from the work area. Keep
children away.
20. Make your workshop child proof with padlocks, master
switches or by removing starter keys.
21. Give your work undivided attention. Looking around,
carrying on a conversation and “horse-play” are careless
acts that can result in serious injury.
22. Keep an ergonomic body position. Maintain a balanced
stance at all times so that you do not fall or lean against the
blade or other moving parts. Do not overreach or use
excessive force to perform any machine operation.
23. Use the right tool at the correct speed and feed rate. Do
not force a tool or attachment to do a job for which it was
not designed. The right tool will do the job better and safer.
24. The machine is intended for indoor use. To reduce the risk
of electric shock, do not use outdoors or on wet surfaces.
25. Do not handle plug or machine with wet hands.
26. Use recommended accessories; improper accessories may
be hazardous.
27. Use sawblades confirming to EN 847-1
28. Maintain tools with care. Keep blades sharp and clean for
the best and safest performance. Follow instructions for
lubricating and changing accessories.
29. Turn off machine and disconnect from power before
cleaning. Use a brush or compressed air to remove chips or
debris; do not use bare hands.
30. Do not stand on the machine. Serious injury could occur if
the machine tips over.
31. Never leave the machine running unattended. Turn the
power off and do not leave the machine until it comes to a
complete stop.
32. Remove loose items and unnecessary work pieces from the
area before starting the machine.
4
33. Pull the mains plug if the machine is not in use.
35. The mitre circular saw is intended for industrial use.
34. Make sure the workpiece is securely clamped.
The profile must be clamped on left and right side of the
saw blade, by use of both hold-down clamps.
Familiarize yourself with the following safety notices used in this manual:
WARNING: This means that if precautions are not heeded, it may result in serious, or possibly even fatal, injury.
CAUTION: This means that if precautions are not heeded, it may result in minor injury and/or possible machine damage.
SAVE THESE INSTRUCTIONS
WARNING:
These symbols blow advise that you follow the correct safety procedures when using this machine.
Read and understand entire user
manual before machine use
wait until sawblade has stopped before
opening cover
Attention:
the profile must be clamped
on left and right side of saw
blade, by use of both holddown clamps
5
3.1 Designated use and limitations to use
The machine is for industrial use and has been designed for cutting off aluminium profiles. With a suitable saw blade and dust collection,
wood and hard plastic materials (PVC) may be machined also.
The workpiece must allow to safely be loaded, supported and clamped.
The machine is intended for indoor use. The protection rating of the electrical installation is IP 54.
If used for other purposes, JET disclaims any real or implied warranty and holds itself harmless from any injury that may result from that
use.
WARNING:
The machine is not suitable for cutting ferrous materials.
The machine is not suitable for cutting magnesium…high danger to fire!
The machine may not be used in explosive environments.
3.2 Remaining hazards
When using the machine according to regulations some remaining hazards may still exist.
Loss off compressed air supply can be hazardous.
Thrown workpieces and workpiece parts can lead to injury.
Dust and noise can be health hazards. Be sure to wear personal protection gear such as safety goggles and dust mask.
Use a suitable dust collection system.
The sawblade could be ejected if wrongly fitted. Therefore pay attention when fitting the saw blade.
The use of incorrect mains supply or a damaged power cord can lead to injuries caused by electricity.
When opening the electrical cabinet, the grid-feeding voltage persists. Therefore pay attention every time you enter it.
6
4.0 Specifications
Model number ...................................................................................................... ................................................................. EVC-400DGSP
Motor type................................................ ……………………………………………………. ............................................................. Induction motor
Motor output power ........................................................................................ ............................................................................ 1.5 kW
Power supply .................................................................................................... ........................................................... 3~400V, PE, 50Hz
Protection class ................................................................................................ ...................................................................................... I
Listed load amps ............................................................................................... .................................................................................. 4 A
Starting amps .................................................................................................... .................................................................................. 9 A
Power transfer .................................................................................................. ..................................................................... Poly-V belt
Sound emission in idle
Sound emission during cutting 1 ....................................................................... ................................................................. 84.2 dB (LpA)
Pneumatic:
Compressed air supply ............................. ……………………………………………………. ............................................................... 6.5 bar (90 psi)
Cutting Capacities:
Round at 0° ....................................................................................................... .......................................................................... 110 mm
Round at 45° ..................................................................................................... .......................................................................... 100 mm
Round at 60° ..................................................................................................... .......................................................................... 100 mm
Square at 0° ...................................................................................................... .................................................................. 100x100 mm
Square at 45° .................................................................................................... .................................................................. 100x100 mm
Square at 60° .................................................................................................... ...................................................................... 95x95 mm
Rectangular at 0° .............................................................................................. ............ ........................................................ 60x200 mm
Rectangular at 45° ............................................................................................ ............. ....................................................... 60x140 mm
Rectangular at 60° ............................................................................................ ............. ....................................................... 60x110 mm
Saw blade:
Blade diameter max .......................................................................................... .......................................................................... 405 mm
Blade bore ........................................................................................................ ............................................................................ 30 mm
Blade supplied with machine ............................................................................ ............................................... 405 x 30 x 3.2 mm - 120T
Machine stand .................................................................................................. ............................................................................... Steel
1
Sound emission measured in 1m distance, 1.6m above ground. The specified values are emission levels and are not necessarily to be
seen as safe operating levels. As workplace conditions vary, this information is intended to allow the user to make a better estimation
of the hazards and risks involved only.
Dimensions and Weights:
Overall dimensions, assembled (W x D x H) ..................................................... ..................................................... 640 x 785 x 1250 mm
Shipping dimensions (W x D x H) ...................................................................... ..................................................... 600 x 800 x 1400 mm
Net weight (approximate) ................................................................................ ............................................................................ 180 kg
Shipping weight (approximate) ........................................................................ ............................................................................ 210 kg
L = length; W = width; H= height; D= depth
1
.................................................................................... ........................................ ......................... 79.4 dB (LpA)
The specifications in this manual were current at time of publication, but because of our policy of continuous improvement, JET reserves
the right to change specifications at any time and without prior notice, without incurring obligations.
7
5.0 Machine Description
Figure 5-1: Machine description
A .................................................................................................... Blade guard
B ........................................................................................................... Fences
C ...................................................................................................... Turntable
D ............................................................................... Compressed air blow gun
E ............................................................... Blade up-stroke speed adjustment
F .............................................................................................. Machine stand
G ................................................................................. Sawblade access cover
H ....................................................................................... Main power switch
I ............................................................................................... Control board
K ................................................................................. Workpiece hold downs
8
6.0 Setup and Assembly
7.0 Electrical Connections
WARNING:
Read and understand the entire contents of this manual
before attempting assembly or operation. Failure to comply
may cause serious injury.
6.1 Unpacking and clean up
Remove all contents from shipping crate and compare parts to
the contents list in this manual. If shipping damage or any part
shortages are identified, contact your distributor. Do not
discard crate or packing material until drill press is assembled
and running satisfactorily.
Clean all rust protected surfaces with kerosene or a light
solvent. Do not use lacquer thinner, paint thinner or gasoline,
as these can damage plastic components and painted surfaces.
6.2 Shipping contents
1 Machine
1 Saw blade 405 x 30 x 3.2 mm – 120T
1 Owner’s manual
1 Parts list
WARNING:
All electrical connections must be done by a qualified
electrician in compliance with all local codes and ordinances.
Failure to comply may result in serious injury.
The EVC-400DGSP Aluminium Mitre Circular Saws are rated at
3~400V, PE, 50Hz power supply. The machines comes with a
plug designed for use on a circuit with a grounded outlet.
Mains connection and any extension cords and plugs used
must comply with the information on the machine license
plate.
The mains connection must have a 16A surge-proof fuse.
Only use extension cords marked H07RN-F, with wires 1,5mm
or more.
The total length of cord may not exceed 18 Meter
Power cords and plugs must be free from defects.
Connections and repairs to the electrical equipment may only
be carried out by qualified electricians.
The machine is equipped with 1.8m power cord and plug.
Before connecting to power source, be sure main switch is in
off position.
2
6.3 Tools required for assembly:
None
6.4 Compressed air connection
Connect air supply to the quick connect coupler (L, Figure 6-1).
Figure 6-1: Compressed air connection
Compressed air supply ........................................ 6.5bar (90psi)
WARNING:
Continuous compressed air supply must be assured.
CAUTION:
The saw blade must run towards the fence.
If the direction of rotation is not correct, the phase converter
inside the CEE Euro plug must be pushed in and turned 180°.
7.1 Grounding instructions
This tool must be grounded. In the event of a malfunction or
breakdown, grounding provides a path of least resistance for
electric current to reduce the risk of electric shock. This tool is
equipped with an electric cord having an equipment-grounding
conductor and a grounding plug. The plug must be inserted into
an appropriate outlet that is properly installed and grounded in
accordance with all local codes and ordinances.
WARNING:
Improper connection of the equipment-grounding conductor
can result in a risk of electric 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 tool.
The green/yellow conductor is the equipment-grounding
conductor. If repair or replacement of the electric cord or plug
is necessary, do not connect the equipment-grounding
conductor to a live terminal.
Use only 5-wire extension cords with grounding plugs.
Repair or replace damaged or worn cord immediately.
9
7.2 Extension cords
The use of extension cords is discouraged; try to position
machines near the power source. If an extension cord is
necessary, make sure it is in good condition.
An undersized cord will cause a drop in line voltage resulting in
loss of power and overheating.
Only use extension cords marked H07RN-F, with wires 1,5mm2
or more.
The total length of cord may not exceed 18 Meter
Extension cords and plugs must be free from defects.
8.0 Adjustments
8.1 Workpiece hold-down adjustments
8.2 Turntable mitre adjustment
The turntable (C) is equipped with precise mitre indexing for
90° (S, Figure 8-2) and for +/- 45° (Q).
Lift the mitre select handle (R) to rotate the turntable (C).
Figure 8-2: Table Mitre Adjustment
The workpiece hold-down cylinders (K, Figure 8-1) must be
adjusted according to the profile to be clamped.
- For horizontal adjustment loosen lever (M).
- For vertical adjustment loosen lever (P).
After adjusting, confirm the proper workpiece clamping and
make sure the pneumatic cylinders (K) and support arms (N) are
firmly locked in place.
Figure 8-1: Hold-down clamps Adjustment
8.3 Saw blade installation
To access the sawblade, operate as follows:
- Turn Main Power Switch OFF (H, Figure 8-3).
- Loosen the screws (T) and remove the sawblade access cover
(G).
Figure 8-3: Sawblade access cover
WARNING:
As requested by CE regulations, the machine is equipped with
double pneumatic clamping.
In order to avoid hand crushing, keep the clamping pad (O)
movement short.
Lower the pneumatic cylinder (K) as much as possible, as
profile to be clamped allows.
WARNING:
Make sure the saw blade has stopped before opening the
cover.
10
Figure 8-4: Sawblade Access
8.4 Blade up-stroke speed adjustment
Turn the rotate knob (E, Figure 8-5) in clockwise direction to
reduce the blade up-stroke speed or anticlockwise to increase.
Note: The sawblade access cover is micro switch interlocked
(PP, Figure 8-4). The motor will not start until the cover is
installed again.
To change the saw blade:
Tools required:
- 41mm Spanner or adjustable spanner (V)
- 8mm Hex socket wrench (X).
Loosen the nut (W) in clockwise direction.
Remove nut (W), flange (Y) and sawblade (U).
Install new saw blade in reverse order.
Install sawblade access cover (G),
Figure 8-6: Blade Up-stroke speed adjustment
9.0 Operating Controls
Figure 9-1: Operational Controls
Figure 8-5: Sawblade Installation
CAUTION:
Make sure blade teeth are pointing the correct direction.
Make sure the contacting surfaces are clean, to avoid runout
errors and machine vibration.
Make sure the blade is sharpened and in perfect order.
Make sure the saw blade is suitable for the material to be cut.
Use saw blades confirming to EN 847-1.
AA ......... Motor ON button
BB ......... Start saw blade up-stroke (2 hand operation)
CC ......... Motor OFF button
DD ........ Workpiece hold-down ON/ OFF Switch
A .......... Blade guard
B .......... Fences
E .......... Blade up-stroke speed adjustment
H .......... Main Power ON/OFF Switch
K .......... Workpiece hold-downs
11
10.0 Machine Operation
10.1 Cutting execution
Turn Main Power ON (H, Figure 9-1).
Position the workpiece against the Fences (B).
Clamp the workpiece by means of Select Switch (DD), which
activates the pneumatic Workpiece hold-downs (K).
10.2 Cutting area protection
To operate the machine, the workpiece hold-downs (K, Figure
10-2) must be activated and the blade guard (A) must be closed.
A micro switch (Z) monitors the blade guard position.
Figure 10-1: Operational Controls
Close the Blade Guard (A).
Press the green Motor ON-button (AA) to start the motor.
Press simultaneously both buttons (BB) to start the saw blade
up-stroke and to start the spray mist lubrication.
When cutting is completed, open the blade guard and loosen
the workpiece hold-downs by means of select switch (DD).
Remove the workpieces (profiles).
Clean table and fence, by using the air gun (D).
Press the red Motor OFF-button (CC) to stop the motor.
WARNING:
The profile must be clamped on left and right side of saw
blade, by use of both hold-down clamps.
Figure 10-2: Blade guard open
Figure 10-3: Blade guard closed
Figure 10-1: Double work piece hold-down
12
10.3 Spray mist lubrication
The machine is equipped with a spray mist lubrication system
(GG, Figure 10-3), which lubricates the sawblade for a cooler
cleaner cut.
Lubrication starts automatically when the blade up-stroke is
initiated (pressing both buttons BB).
Check every 24 hours the sufficient lubricant level in the tank
(FF).
Lubricant: Oil, max 800 cSt, 40°C
11.0 User-Maintenance
WARNING:
Before any intervention on the machine, disconnect it from
electrical supply and from compressed air supply. Failure to
comply may cause serious injury.
Maintenance must be carried out by qualified staff.
Display any maintenance operation through a clearly visible
warning badge.
An important security factor is the cleaning of the machine, of
the working tables, of the floor and the surrounding places.
Loose objects could come into contact with the moving
sawblade, creating hazards.
Empty the chip tray regularly.
Check that bolts are tight and electrical cords are in good
condition. If an electrical cord is worn, cut, or damaged in any
way, have it replaced immediately.
Figure 10-3: Lubrication System
Before starting the machine, make sure that no other person is
carrying out maintenance work.
13
12.0 Troubleshooting
Problem Possible Cause Correction *
Teeth breaking
Incorrect oil mist
lubrication
Material too hard
Saw blade not worn-in
correctly
Saw blade with excessively
fine tooth pitch
New blade inserted in a
partially completed cut
Work piece not clamped
firmly in place
Ensure proper oil mist concentration and supply.
Check the feed speed and air pressure parameters
and the type of blade you are using.
With a new blade it is necessary to start cutting at
half feeding speed. After the wearing--in period (a
cutting surface of about 300 cm
and about 1000 cm
and feed speeds can be brought up to normal values
Cutting chips wedge into the bottom of the teeth
causing excessive pressure on the teeth.
Use saw blade with coarser teeth
The surface of the cut may have undergone work hardening.
A tooth from the old blade may be left in the cut.
Inspect workpiece before cutting.
Any movement of the work piece during cutting can
cause broken teeth.
Check workpiece support on fence and table, Check
workpiece clamping.
Check compressed air supply
2
for soft materials) the cutting
2
for hard materials
Feed speed too slow
Feed speed too high
Insufficient coolant oil
Rapid tooth wear
* WARNING: Some corrections may require a qualified electrician.
Incorrect oil mist
lubrication
Material defective
Table 1
Blade teeth scratch over the material without
removing material
Increase up-stroke speed.
Cutting pressure too high.
Reduce up-stroke speed.
Check the coolant level and clean coolant lines and
nozzles.
Ensure proper oil mist concentration and supply.
The materials may present altered zones either on
the surface, such as oxides or sand, or included, such
as under-cooled inclusions. These zones, which are
much harder than the blade, cause the teeth to
wear quickly or to break.
Discard or clean these materials.
14
Problem Possible Cause Correction *
Sawblade will not start
Machine unplugged. Check all plug connections.
Fuse blown, or circuit breaker
tripped.
Cord damaged.
Transformer
Contactor
Thermal relay
Blade guard not closed Close the guard
Sawblade access cover not
closed
Motor
Belt Check that belt is in good condition and properly tensioned
Replace fuse, or reset circuit breaker.
Replace cord.
Check that the correct voltages are present both on the input
and output. Otherwise replace.
Check that all 3 phases are present both on the input and
output.
Check that it is not jammed, that it closes when powered and
that it is not causing short circuits. Replace if any of these
problems are found.
Check that all 3 phases are present both on the input and
output.
Check that it responds when the reset coil is closed.
If it has tripped to protect the motor, check the amperage
setting, reset, and check the motor. Replace if necessary.
Close the cover
Check that motor windings have not burnt, that they measure
the same resistance between all phases.
Check that the motor turns freely.
Check that there is no moisture in the connection terminal
box.
The winding can be rewound or motor be replaced.
* WARNING: Some corrections may require a qualified electrician.
Table 2
13.0 Environmental Protection
Protect the environment.
Dispose all packaging material in an environmental friendly manner.
Your appliance contains valuable materials which can be recovered or recycled. Please leave it at a specialized institution.
14.0 Available Accessories
Refer to the JET price list.
15
15.0 Replacement Parts
EVC-400DGSP Part List Assembly Drawing -1
16
EVC-400DGSP Part List Assembly Drawing -2
17
EVC-400DGSP Part List Assembly Drawing -3
18
EVC-400DGSP Parts List
Index No. Part No. Description Size Q’ty
1001 ......... EVC-400DGSP-1001 Base ................................................................. .................................... 1
1002 ......... EVC-400DGSP-1002 Up Cover .......................................................... .................................... 1
1003 ......... EVC-400DGSP-1003 Front Panel ...................................................... .................................... 1
1004 ......... EVC-400DGSP-1004 Power Switch Plate Board ............................... .................................... 1