Universal Air Tools UT5762 - Manual (Page 2)

Operating
The lever is the on/off valve for the tool. Connect to a suitable air supply
and ensure that the air pressure, measured at the tool inlet, with the tool
running does not exceed 90 psi (6.3 bar). Select disc and ensure that
the disc is not cracked or damaged and that the speed rating of the disc
is in excess of 25,000 rpm. Fit the disc and tighten screw using the
supplied allen key while holding arbour with supplied spanner. Do not
over tighten as this could crack the disc. Ensure wheel is in place. When
first starting the tool with a new or changed disc the tool should be first
started in a protected area i.e. such as under a heavy bench and run for
say a minimum time of one minute. This will provide protection if the
wheel should break because a fault was not detected. Always use eye
protection and wear protective gloves if there are sharp edges in the
working area. Remember that the cutting process will generate heat
and that cut parts, particularly small items can get very hot and burn
fingers if touched. Allow cut parts to cool.
The tool and the work process may create a noise level such that ear
protectors should be worn. The cutting process will create dust and the
use of breathing masks is recommended. Check that the material being
cut will not cause harmful dust or fumes. If this is so then special
breathing apparatus may be required. Seek advice before starting work.
The cutting process will create sparks. Ensure that these do not create
a hazard to any person, object or process and are not directed near any
flammable materials or fluids. Do not use the cutter in explosive
environments. Do not apply excessive loads to the tool as this will
reduce the efficiency of the disc. Apply light loads and allow the wheel
to cut. Try always to keep the disc square to the cut. Do not apply side
loads or grind on the side of the disc.
Handle the cutter with care. If the cutter is dropped carefully examine
the disc for damage and replace if necessary. Start the tool as for the
first time of fitting a disc, i.e. under a bench. Make sure that the object to
be cut is in a firm fixed position.
Tool Maintenance
It shall be the tool owner’s and/or employer’s responsibility to assure
that tools are maintained in a safe operating condition. Tool
maintenance and repair shall be performed by authorised, trained,
competent personnel. Tools shall be disconnected from their
compressed air supply before repairs are attempted. Repairs shall be
consistent with the manufacturer’s recommended procedures. Tool,
hoses and fittings shall be replaced if unsuitable for safe operation. It
shall be the tool owner’s and/or employer’s responsibility to keep
required rating markings and warnings on the tool in legible condition.
Page No 2
Safety Rules For A Cut Off Tool
1) Read all the instructions before using this tool. All operators must be
fully trained in its use and aware of these safety rules.
2) Do not exceed the maximum working air pressure.
3) Use personal safety equipment.
4) Use only compressed air at the recommended conditions.
5) If the tool appears to malfunction remove from use immediately and
arrange for service and repair.
6) If the tool is used with a balancer or other support device ensure that
it is fixed securely.
7) Always keep hands away from the working attachment fitted to the
tool.
8) The tool is not electrically insulated. Never use the tool if there is any
chance of it coming into contact with live electricity.
9) Always when using the tool adopt a firm footing and/or position and
grip the tool firmly to be able to counteract any forces or reaction forces
that may be generated whilst using the tool.
10) Use only correct spare parts. Do not improvise or make temporary
repairs.
11) Do not lock, tape, wire, etc. the on/off valve in the run position. The
trigger/lever etc. must always be free to return to the ‘off’ position
when it is released.
12) Always shut off the air supply to the tool, and depress the
trigger/lever etc. to exhaust air from the feed hose before fitting,
adjusting or removing the working attachment.
13) Check hose and fittings regularly for wear. Replace if necessary. Do
not carry the tool by its hose and ensure the hand is remote from the
on/off control when carrying the tool with the air supply connected.
14) Take care against entanglement of moving parts of the tool with
clothing, ties, hair, cleaning rags, etc. This will cause the body to be
drawn towards the tool and can be very dangerous.
15) It is expected that users will adopt safe working practices and
observe all relevant legal requirements when installing, using or
maintaining the tool.
16) Do not install the tool unless an easily accessible and easily operable
on/off valve is incorporated in the air supply.
17) Take care that the tool exhaust air does not cause a problem or
blows on another person.
18) Never lay a tool down unless the working attachment has stopped
moving.
19) A grinding wheel should only be fitted by a competent person
trained to do so. The wheel must be of the correct size and speed rating.
Never use grinder with guard not fitted.
20) Check the speed of the grinder at least once per week, if it is in
regular use, with an accurate tachometer.
21) The tool must only be used with the grinding wheels as set out in
section “Foreseen Use of the Tool” and shown on parts list. Never fit any
other device.
22) Carry out the instructions as set out in “Putting into Service”.
23) Many countries have local or national rules re the use and fitting of
grinding wheels. Make sure such rules are observed.
24) Use a barrier to prevent sparks causing a hazard to the operator,
any other person or anything within the vicinity of the sparks.
25) If a wheel guard becomes damaged or has withstood a wheel
breakage, the guard must be changed.
26) Do not use chipped or cracked grinding wheels.
27) Always wear impact resistant eye protection.
28) Use only parts provided with the grinder for locating and clamping
the wheel. Never use substitutes. Use the paper blotter fixed to the
wheel as this ensures even tightness when the wheel is secured.
29) Tighten the wheel plates sufficiently to prevent wheel spin off when
the grinder is turned off. Do not tighten excessively as this may crack the
wheel.
30) The noise from the tool or the process noise of the grinding
operation may be such that hearing protection should be worn.
31) Avoid inhaling dust from the grinding process. Wearing of a
breathing mask is recommended. Grinder certain materials may mean
that special breathing precautions are necessary. Seek advice before
using the tool.
32) Always ensure that the workpiece is firmly supported so that it
cannot move during the grinding process.
33) If the grinder is dropped do not use unless the wheel is first checked
for damage by a competent person.
34) When not in use the grinder should be stored in a safe place where
it will not be damaged. If a tool has not been used for a period of time
check the tool as for the first time of using.
35) Be aware that if the grinding process causes high vibration, special
precautions should be taken.
36) The operator should be aware that the grinding wheel will continue
to rotate after the power supply has been shut off. This could cause a
hazard.
37) Always store grinding wheels in accordance with the
manufacturer’s instructions.
38) Check frequently that the spindle thread has not become damaged
or worn.
39) Always ensure that the grinding wheel has a higher permissible
running speed to the speed of the grinder.