Brother International MD-817 Service Manual - Page 107

FRAME ASSEMBLY #2 REPLACEMENT Refer to the motor disassembly diagram (Fig. 1). Up Disassembly (1) Remove the two MD carbon brushes 1. Note: The position of each carbon brush should be noted. (2) Remove the screw 55 and the belt cover 54. (3) Remove the nut 53. and then remove the pul ley 50 and the brake armature assembly 49 from the rotor shaft. (4) Remove the sunk key 23 and the washers 45.--48. (5) Remove the screw 44 and the brake stator assembly 43. Note: If the stator is difficult to remove, strike it gently to loosen it. (6) Remove the screw 41. the separate bracket R 42-1 and bracket assembly L 12. A sl ight knock may help. (7) Take out the rotor 19 from the frame assembly 18-1. (Note) Because the rotor is held in the frame assembly 18-1 by magnetic force, the rotor should be grasped tightly and care should be taken so that the commutator part (see Fig.3) of the ro- tor does not touch the magnet inside the frame. Be careful not to lose the motor shaft's spring washer 20 and col lar 21. (8) Using the molex pin remover(J5800-03). take out al l pins from the 6-pin plug 32. (9) Pul l out the plug cover 33 and the tube 31 from the cord assembly. (10) Cut at the crimped part of the two black cords, as close to the end of the cord as possible, and then separate. (11) The frame assembly 18-1 can then be removed from bracket assembly L 12. A sl ight knock may be necessary to faci l itate removal. (Note) Perform steps 1-3 below before removing the rotor from the motor. 1. Remove the screw 17 and reactor cover 16-1. 2. Remove the screw 15 and reactor 14. 3. Remove the screw 25. 41 16-2 1.-1 3 I 12 23 34 35 36 1:-1 25 22 37 70 21 27 31 30 24 26 20 19 42_242-43 _4. 5.3 54 L\lei • 10 18-4 10 1 9 18-318-5 32 33 14 13 2(1 29 51 49 50 45 46 47 46 56 51/ -103-