Makita UM164D Series Technical Information page 3

R
epair
[2] DISASSEMBLY/ASSEMBLY
[2]-1. Gear 12-31, Helical gear 47
DISASSEMBLING
(1) Remove Blade, Crank and Housing set (R). (Fig. 2)
Fig. 2
1. Pull the rear portion of Base frame toward
the direction designated with arrow.
Base frame
3. Remove Under cover complete and
Shear blade assembly.
Under cover
complete
6. Remove Set plate with
Slotted screwdriver.
Set plate
(2) After removing Housing set (R), Helical gear 47 and Gear 12-31 can be removed. (Fig. 3)
Fig. 3
Helical gear 47
2. With pressing Lock lever, turn Under cover complete
to the unlocked position as drawn below.
Under cover
complete
4. Remove Crank complete and
Dust guard.
Dust guard
Shear blade
assembly
7. Separate Housing set (R) by unscrewing five 3x16 Tapping screws.
3x16 Tapping screw
(5 pcs.)
Housing set (R)
Housing set (L)
Gear 12-31
Housing set (L)
Unlocked
position
Lock lever
5. Remove Protector by unscrewing
M4x12 Bind head screw.
M4x12 Bind head screw
Crank complete
9. After removing Washer 6 and Pin 6 which
functions as a shaft for the Helical gear 47,
remove 2 pcs. of Pin 4 by pressing with
Arbor press. Helical gear 47 can be replaced.
Pin 6
Washer 6
Helical gear 47
P 3/ 8
Protector
Arbor press
Pin 4