Makita BTP131 Technical Information page 11

R
epair
[3]-1 Impact Assembly, Anvil
ASSEMBLING
(6) Assemble Motor bracket section (Fig. 14).
Fig. 14
1. Mount Ball bearing 607ZZ to
Motor bracket assembly.
Motor bracket assembly
(with Internal gear 50)
Ball bearing
607ZZ
4. Mount the assembled Spur gear 14A to
Motor bracket assembly while engaging the
3 pcs. of Spur gear 21 with Internal gear 50
in Motor bracket assembly.
Spur gear 21 (3 pcs)
Motor bracket assembly
(equipped with Internal gear 50)
(7) Assemble Motor bracket section to Gear case assembly (Fig. 15).
Fig. 15
1. Mount Bracket section to Gear case assembly while
fitting its three projections to three depressions of
Gear case assembly, and fitting Change lever to
the notch in wide depression of Gear case assembly.
Notch in wide depression
Change lever
Projection
Motor bracket
section
Projection
2. Mount Spur gear 21
to Spur gear 14A.
Spur gear 14A
Spur gear 21 (3 pcs)
Spur gear 14A
Projection
Depressions
3. Mount Internal gear 41 to Change lever.
And insert 4 pcs of Pin 1.2 into groove of
Internal gear 41 through Change lever's
holes.
Change lever
Groove for
Pin 1.2
Internal gear 41
5. Mount the assembled Change lever to Motor bracket
assembly while aligning three arms of Change lever to
the inner grooves of Motor bracket assembly.
Change lever
Internal gear 41
Motor bracket assembly
(with Internal gear 50)
2. Push Motor bracket section and turn it
clockwise.
Depression
Turn
clockwise
Push
Gear case
assembly
P 11/ 18
Pin 1.2 (4 pcs.)