Makita BJV140 Technical Information - page 8
P 8/13
R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -4. Balance Plate, Crank Complete
ASSEMBLING
1) Separate Gear housing cover section from Gear housing complete. (Figs. 6, 7 in page 4)
2) Lock Crank complete using 1R235 or the like, and remove two M4x12 Hex socket head bolts. (Fig. 25)
Note: It is recommended to use impact driver to remove the bolts because threadlocker is applied to them.
3) By removing Retaining ring S-8 using 1R291, Balance plate and Crank complete can be disassembled from
Gear housing as illustrated in Fig. 26.
Fig. 25
Fig. 26
DISASSEMBLING
1) Assemble Flat washer 8 to the shaft portion of Gear housing complete. (Fig. 27)
2) Assemble Seal plate on Push plate. Mount Push plate on Gear complete, then assemble Gear complete to the shaft
portion of Gear housing complete. (Fig. 28)
3) Lubricate the parts with reference to "Lubrication" in page 2.
4) Assemble Balance plate to Gear complete while inserting the three pins of Gear housing complete through the
corresponding small elliptic holes of Balance plate. (Fig. 29)
Fig. 27
Fig. 28
Fig. 29
Push plate
Seal plate
Flat washer 8
Gear housing complete
Balance plate
Gear complete
Crank complete
Needle bearing 407
Retaining ring S-8
Hex socket head bolt
M4x12 (2 pcs)
Crank complete
Balance plate
1R235
or the like
Retaining ring S-8
Gear housing complete
Gear housing complete
Flat washer 8
Push plate
Seal plate
shaft portion
Gear complete
Balance plate
pin