VESPA ET4 50, Руководство по ремонту

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- Check that the cylinders of the internal and external body of the calliper do not show scratches or signs
of erosion; otherwise, replace the entire calliper.
CAUTION
ALL THE INTERNAL COMPONENTS MUST BE REPLACED EVERY TIME THE CALLIPER IS
SERVICED.
Fit to the calliper body:
- the sealing rings (1-2);
- the plungers (3);
- bed the O-Ring gasket (4) on a calliper body.
- Couple the internal body with the external one with assembling bolts. Refitting the pads and purging
air (see previous sections).
- Place the calliper on the disc and lock it to the support by tightening the bolts.
-Lock the pipe joint to the calliper at the prescribed torque.
Upon fitting, the parts must be perfectly clean and free of traces of oil, diesel fuel, grease, etc.. They
should be washed thoroughly in denatured alcohol before proceeding.
The sealing rings must be immersed in the operating liquid; the use of the PRF1 protection is
tolerated.
CAUTION
RUBBER PARTS SHOULD NEVER BE LEFT IN ALCOHOL FOR LONGER THAN 20 SECONDS.
AFTER WASHING, THE PIECES MUST BE DRIED WITH A BLAST OF COMPRESSED AIR AND A
CLEAN CLOTH.
Locking torques (N*m)
Screw tightening calliper to the support 20 ÷ 25 Attachment to the calliper 25 ÷ 30 Nm
1 DUST GUARDS
2 SEALING RINGS
3 PLUNGERS
4 O-RING GASKET
Braking system
ET4 50
BRAK SYS - 132