Mitsubishi PBV20N2 Service Manual page 114

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PBV20N2 PBV20N2
8. 8. Install and tighten the socket screw. Install and tighten the socket screw.
8.3.7 8.3.7 Magnetic Magnetic brake brake
Figure 64. Magnetic brake overview Figure 64. Magnetic brake overview
Applying a direct voltage to Applying a d irect voltage to the exciter windin
magnetic force acting on the armature disk, which is then pulled via the air gap against magnetic force acting on the armature disk, which is
the pressure of the spring to the magnet body. The decelerating rotor is released and the pressure of the spring to
the brake torque is neutralized. the brake torque is neutralized.
The electro-magnetic brake The electro-magnetic brake is is maintena
The minimum brake disk thickness is 7.5 mm. The minimum brake disk thickness is 7.5 mm.
1. 1. Remove the drive unit. For more detailed instructions, see section Remove the drive unit. For more detailed instructions, see section 8.3.1.
2. 2. Disassemble the drive unit. For more detailed instructions, see section Disassemble the drive unit. For more detailed instructions, see section 8.3.2.
3. 3. Remove the screws of the magnetic Remove the screws of the magnetic
brake. brake.
4. 4. Check the condition of the brake Check the condition of the brake
disk. If the thickness of the brake disk. If the thickness of the brake
disk is 7.5 mm or less, replace the disk is 7.5 mm or less, replace the
brake disk. brake disk.
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Document ID: 615023 Document ID: 615023
the exciter winding in the mag g in the magnet body g
then pulled via the air gap against
the magnet body. The decelerating rotor is released and
maintenance-free. nce-free.
113 (244) 113 (244)
Service Manual Service Manual
net body generates a enerates a
8.3.1.
8.3.2.