Thomas SAR 460 SA G DIGIT, Руководство по эксплуатации и обслуживанию

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SAR 460 SA G
8
CAREFULLY CARRY OUT THE FOLLOWING
INSTRUCTIONS ABOUT BLADE REPLACEMENT.
CUTTING DIRECTION
7.7 - Blade replacement
- Lift the sawframe to the top position.
- Turn the lever to
LOOSE, and soon after to NEUTRAL (see
drawing below).
- Release the knob controlling the blade-guide pads.
- Open both flywheel covers and remove the blade first off the
guiding blocks, then off the flywheels.
- Mount a new blade, first through the blade-guide pads, then on the
flywheels ( pay attention to the teeth cutting direction).
- Put the blade under tension by means of the special lever.
Gradually tension the blade making sure that it perfectly suits
to the flywheels and through the blade-guide pads.
Definitively turn the lever to
TENSION after having made sure
that the the blade is correctly positioned.
-
Note: recommended blade tension pressure= 22 BAR.
- Ensure that the blade cleaning brush is correctly adjusted.
- Close both flywheel covers.
ATTENTION: ensure that you are using the blade having the
same size as indicated at page 5.
RELY ON SKILLED AND QUALIFIED PERSONNEL TO
REPLACE OTHER MACHINE MEMBERS SUCH AS
REDUCTION UNIT, PUMP MOTOR AND ELECTRICAL
COMPONENTS.
ROUTINE
AND SPECIAL
MAINTENANCE
THE MAINTENANCE JOBS ARE LISTED BELOW, DIVIDED
INTO DAILY, WEEKLY, MONTHLY AND SIX-MONTHLY IN-
TERVALS. IF THE FOLLOWING OPERATIONS ARE NE-
GLECTED, THE RESULT WILL BE PREMATURE WEAR
OF THE MACHINE AND POOR PERFORMANCE.
8.1 - Daily maintenance
- General cleaning of the machine to remove accumulated shav-
ings.
- Rack cleaning - stop pawl of the vices.
- Top up the level of lubricating coolant.
- Check blade for wear.
- Check functionality of the shields and emergency stops.
8.2 - Weekly maintenance
- More accurate general cleaning of the machine to remove
shavings, especially from the lubricant fluid tank.
- More accurate cleaning of the rack - stop pawl of the vice.
- Removal of pump from its housing, cleaning of the suction
filter and suction zone.
- Cleaning with compressed air the blade guide pads and
bearing (drain hole of the lubricating cooling).
- Cleaning flywheel housings and blade sliding surfaces on
flywheels.
- Check transmission belt on blademotor-gearbox.
- Check blade cleaning brush.
8.3 - Monthly maintenance
- Check the tightening of the motor flywheel screws.
- Check the tightening of the transmission flywheel ring nut.
- Check that the blade guide bearings on the heads are perfect
running condition.
- Check the tightening of the screws of the pump and accident
protection guarding.
- Check shields.
8.4 - Six-monthly maintenance
(every 2000 hours)
REDUCTION UNIT
- Complete oil change (use GEARCO 85 W 140 of 'National', or
KLUBER SINTHESO EP 460 or equivalent).
HYDRAULIC UNIT
- Complete oil change(use SHELL TELLUS T32 or equivalent).
- Check continuity of the equipotential protection circuit.
8.5 - Oils for lubricating coolant
Considering the vast range of products on the market, the user
can choose the one most suited to his own requirements, using
as reference the type SHELL LUTEM OIL ECO. THE MINIMUM
PERCENTAGE OF OIL DILUTED IN WATER IS 8 - 10 %.
8.6 - Oil disposal
The disposal of these products is controlled by strict regula-
tions. Please see the Chapter on “Machine dimensions - Trans-
port - Installation” in the section on
Dismantling.
8.7 - Special maintenance
Special maintenance operations must be carried out by skilled
personnel. However, we advise contacting THOMAS or their
dealer and/or importer. Also the reset of protective and safety
equipment and devices, of the reducer, the motor, the motor
pump and electric components is to be considered extraordi-
nary maintenance.