Service Manuals, User Guides, Schematic Diagrams or docs for : MAKITA 71250-WW-1

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Subject                Modification of Housing Set and Guide Plate,
                                                                                                         ( Page 1 of 2 )

                       Addition of Stopper Plate, Sub Plate, Torsion Spring 9 and M4x8 Pan Head Screw
For Models             BHR200
Country                All countries
Description            Housing set and Guide plate have been modified.
                       Stopper plate, Sub plate, Torsion spring 9 and M4x8 pan head screw have been added.
                       See illustration below for the detail.

                             Current                                         New
                                                                                   Pan head screw M4x8
                                                                                   Sub plate
                                                                                   Stopper plate
                                                                                   Guide plate
                          Guide plate                                              (345457-1)
                                                                                   Torsion spring 9

                                                                               The new parts are assembled
                                                                               as the left.

                                                 Current                             New

                                                                                               3mm up to 4mm

          (Housing (L) complete)
                                        Left side of Housing set   Left side of Housing set
                                               (152864-9)                 (154525-7)

Item No.      Current part                 Q'ty I/C         New part                    Q'ty             Note
         Housing Set                                 Housing Set
050, 088                                     1    No                                     1
         183393-1                                    183891-5
         Guide Plate                                 Guide Plate
  075                                        1    No                                     1
         344900-7                                    345457-1
                                                     Stopper Plate
    092                                                                                  1         Interchangeable
                                                                                                        as a set
                                                     Sub Plate
    093                                                                                  1
                                                     Torsion Spring 9
    094                                                                                  1
                                                     Pan Head Screw M4x8
    095                                                                                  1

From serial No. 90836E (August, 2004)
                                                                                                              ( Page 2 of 2 )

Steps to replace the relevant parts
Remove Guide plate, Change plate and Compression spring 4 from machine in advance.

1) After putting Stopper plate on the new Guide plate, hold them with Sub plate by screwing M4x8 Pan head screw
   as Fig. 1.
          Fig. 1
                                                    Pan head screw M4x8 (911110-7)
                                                    Sub plate (345456-3)

                                                    Stopper plate (345458-9)

                                                    Guide plate (345457-1)

2) Insert Torsion spring 9 into the hole of stopper plate as Fig. 2, and then hook it on Guide plate as Fig. 3.

          Fig. 2                                    Fig. 3

            Torsion spring 9
3) Put Change plate between Stopper plate and Guide plate.

                                               (Change plate)

4) See Fig. 4.
   Pre-set Change lever to "Hammer mode", and then secure
   them with two 4x12 Tapping screws.
   Hook compression spring 4 on Guide plate and Change plate.
   Shift Change lever to "Hammer drill mode" so that Change plate does not come out of place.

                       (Tapping screw 4x12)

(Change lever)                    (Compression spring 4)

              (Tapping screw 4x12)

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