Makita BDF458 (LXFD03*1) Cordless Drill User Manual


 
P 7/ 12
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Gear Assembly, Motor Section (cont.)
ASSEMBLING
Fig. 14
Yoke unit
Attach the edge of Yoke unit
to the rib of Housing L.
rib of Housing L
Brush holder complete
Gap arises between Housing R and L when Gear assembly is fastened to Housing R and L.
Holding Housing R and L with Water pump pliers at the portion by their screw holes (designated with
black triangles), fasten Gear case assembly to Housing set with 4x18 Tapping screws.
Housing set (R)
Gap
Gap
Gear case assembly
Housing set (R)
Note in Assembling: Be careful not to give any damage on Housing set when holding with Water pump pliers.
Gear case assembly
The flat portion of Brush holder complete must be
at 90 degrees to the edge surface of Housing L.
flat portion of Brush holder complete
edge surface of
Housing L
Housing L
(8) Fasten Housing R to Housing L with seven 3x16 Tapping screws.
Refer to the upper right drawing in Fig. 8.
(9) Contact Carbon brush with Armature’s commutator, putting Torsion spring on the Carbon brush.
Refer to the left drawing in Fig. 9.
Brush holder
complete
90 degrees
(7) Make sure Brush holder complete and Yoke unit are precisely mounted to Housing R. See upper drawing in Fig. 14.
And then, mount Housing R to Housing L as drawn in Fig. 14.
Housing set (L)
Housing set (L)
4x18 Tapping screw
4x18 Tapping screw