Makita BJN160 Technical Information page 4

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Gear Housing Complete (cont.)
DISASSEMBLING
(3) Disassemble Spur gear 31 and Crank section as drawn in Fig. 4.
Fig. 4
1. Separate Ram by removing Pin 6, and then
remove Spur gear 31 together with Crank
shaft from Rod.
Ram
Pin 6
ASSEMBLING
(1) Assemble Spur gear 31 and Crank section as drawn in Fig. 5.
Fig. 5
1. Set Woodruff key 3 to Crank shaft.
And then, insert the slim end of
Crank shaft into Spur gear 31
from its stepped side while fitting
Woodruff key 3 to the groove of
Spur gear 31.
stepped side
slim end
Woodruff key 3
(2) Assemble Spur gear 31, Crank section and the other component parts to Gear housing complete by reversing
the disassembly procedure. (Refer to Fig. 3)
Note: Do not forget to mount Flat washer 6 to Gear complete 16-36. (Refer to the center drawn in Fig. 3)
Crank shaft
Rod
Spur gear 31
2. Put Super gear 31 and Crank
section onto 1R032.
Then, Press the Gear down
with 1R030 until it stops.
groove
Spur gear 31
Crank shaft
2. Place Super gear 31 and Crank shaft on 1R217.
Then, press Crank shaft down with 1R282.
Note: Be careful not to lose Woodruff key 3.
1R282
Crank shaft
1R217
Spur gear 31
3. Insert Crank shaft into Rod, and
assemble Ram to the other end
of Rod with Pin 6.
Note: Do not forget to mount
Crank shaft
Rod
1R030
Spur gear 31
Spur gear 31
Crank shaft
1R032
P 4/ 8
Crank shaft
Woodruff key 3
Flat washer 8.
Flat washer 8
Ram
Pin 6