Makita TW0200 Technical Information page 3

R
epair
< 2 > Removing armature
( 1 ) After removing brush holder cap and carbon brushes, remove bumper with a slotted head screwdriver. See Fig. 1.
( 2 ) Unscrew 4 pcs. of hex socket head bolts M5x50 together with urethane rings and cup washers each 4 pcs.
Then, hammer case section can be removed from motor housing together with armature. See Fig. 2.
Carbon brush
Bumper
Brush holder cap
Carbon brush
Fig. 1
( 3 ) Do not separate internal gear cover from hammer case, because the grease leaks out, or inner parts can fall off
the hammer case. Then, holding hammer case together with internal gear cover, pull off the armature
as illustrated in Fig. 3.
< 3 > Disassembling mechanical section
( 1 ) Separate internal gear cover from hammer case. Take off the following parts from hammer case. See Fig. 4.
* Flat washer 19
* Anvil
* Hammer section
Remove O ring 12 from internal gear case.
Flat washer 19
Hammer case
<Note >
* Flat washer 19 can remain in hammer case.
* Inner parts can be removed from hammer case
by hand. However, if it is difficult to remove by
hand, strike anvil with plastic hammer. See Fig. 4A.
Brush holder cap
* Internal gear 71
* O ring 58
Hammer section
Anvil
Internal gear 71
Fig. 4
Hex socket head bolts M5x50 5
Armature
Hammer case
Internal gear cover
Hammer case
section
Armature
Hammer case
Internal gear cover
Fig. 3
Internal gear cover
O ring 58
O ring 12
Urethane rings 5
Cup washers 5
Motor housing
Fig. 2
Fig. 4A
P 3 / 11
Anvil