Makita HP2050 Technical Information page 5

R
epair
( 3) Disassembling gear section See Fig. 3.
1. Separate gear housing cover from gear housing.
2. Pull out lock plate.
3. Then change lever B, pin, rack 12 with change plate B and spur gear 29-37
can be disassembled from gear housing.
Gear housing
Change lever B
( 4) Assembling gear section
1. Assemble the spindle section to gear housing as illustrated Fig. 4 below.
Bearing retainer 20-36
When assembling bearing retainer 20-36 and oil seal 19,
refer to "( 6) Assembling bearing retainer 20-36 and oil seal 19" at page 7.
2. Insert change plate B into rack 12 as illustrated Fig. 5 right.
3. Set the above assembled one to spur gear 29-37 as illustrated Fig. 6 right.
4. Make sure that leaf spring is assembled in
gear housing in advance. If not, assemble it.
Assemble spur gear 29-37 to spindle
and at the same time, assemble rack 12 w/ change plate B
to gear housing as illustrated in Fig. 7 right.
Spur gear 29-37
Rack 12
Fig. 3
Oil seal 19
Gear housing
Spindle section (including conical
compression spring 15-2, cup washer 15,
ball bearing 6202LLB and cam A)
Lock plate
Gear housing cover
Pin
Change plate B
Fig. 4
Rack 12
Gear housing
Leaf spring
Spindle
Rack 12 with change plate B
Fig. 7
P 5 / 17
Ring spring 11
Change plate B
Fig. 5
Spur gear 29-37
Fig. 6
Spur gear 29-37