User and Maintenance Manual
“D” Caliper brake
Model D-M
Model D05
Model D1
Model D2
Model D3 and D3-ID
Date: 2013/07/01
Revision: 1
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3.
Remove the worn linings levering the metal part to overcome the force of the magnet
which holds it in its seat. Check that the magnet is well housed in the shoe.
4.
Remove any oil or grease from the surface of the disc using a non-pollutant detergent.
5.
If the lining pads are contaminated only superficially it is better to clean them using fine
emery cloth. If the contamination of the linings is deep or at the maximum wear limit as
indicated in Chapter 5.2 and stated in the catalogue, replace them with new linings.
6.
Reassemble the shoe following the sequence in point 2 in reverse order, positioning the
shoe alignment spring C61968 as indicated in Figure 2.
7.
Readjust the play between the disc and lining as described in Chapter 9.1.
9.3.
Changing the thruster spring (brakes D05 , D1 , D2 , D3 e D3-ID)
1.
Cut off pressure to the thruster and disconnect the power line. Unscrew the ring nuts and
remove the thruster from the brake.
2.
Remove the screws that anchor the thruster body to the cover.
3.
Remove the cover and for thrusters 1, 2 and 3, remove the diaphragm also.
4.
Pull out the internal thruster unit / plate and replace the spring. Grease the stem before
putting the internal thruster back.
5.
Put back the cover following the procedure in points 3 and 2 in reverse order.
6.
Put the thruster back on the brake anchoring it with the two ring nuts. Reconnect the
flexible hose.
7.
Apply the brake a number of times to ensure that the internal thruster slides perfectly and
check for any air leaks (for pneumatic thrusters) or oil (for hydraulic thrusters).
9.4.
Changing the thruster spring (brake D–M)
1.
Remove the handle D70985 from the threaded tube C61020 rotating it anticlockwise.
2.
Replace the spring C61018.
3.
Screw the handle D70985 back onto the threaded tube C61020 until the desired torque is
obtained.
9.5.
Changing the diaphragm and the gaskets
1.
Cut off pressure to the thruster and disconnect the power line. Unscrew the ring nuts and
remove the thruster from the brake.
2.
Remove the screws that anchor the thruster body to the cover.
3.
Thrusters 1, 2 and 3: remove the cover and replace the diaphragm.
4.
Thrusters 05 and 3-ID: remove the cover and pull out the internal thruster / plate unit.
Remove the damaged gaskets and replace them with new ones. It is advisable to replace all
