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3.1 Abrasive disc
3.1.1 Selecting the right disc
The disc to be used must be marked as having a working speed higher or equal to the speed shown on the machine information plate. Never go beyond the
speed given on the disc.
The disc's technical characteristics must correspond to those stipulated in § 2.5 "Technical characteristics / disc".
The disc centre bore MUST ALWAYS correspond to the centre diameter on the engine drive plate.
Never use a disc that is cracked, chipped or deformed (non-flat). Never use a disc that is damaged. Do not use any disc that has been dropped.
Inspect all discs systematically before fitting them to the machine.
3.1.2 Fitting / replacing the disc
ONLY fit or replace the disc with the motor stopped and the combined action lever Ref.① in position « 0 ».
➊ Hold the shaft in position by inserting rod Ref.④ through the
hole in the pulley, the hole in the belt guard Ref.⑤ and the front
bearing housing Ref.②.
➋ Using the multi-purpose spanner, unscrew the retaining screw
Ref.⑧.
➌ Remove flange Ref.⑦ and the disc Ref.⑥ to be replaced (if
necessary).
➍ Install the disc and put the flange back in position (the pins on the
flange must be in line with the slots on the shaft).
Never use a taper sleeve on the disc centre bore.
The outside diameter of fixing flange Ref.⑦ ⑦ ⑦ ⑦ must be
systematically the same diameter as the motor end flange
Ref.③ ③ ③ ③ .
➎ Screw in the lock screw and tighten firmly with the multi-purpose
spanner (the tightening torque should be about 30Nm).
➏ Pull out the rod from the belt guard.
3.1
CHAPTER 3 – INSTALLATION – START-UP
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