(7) Removing the cylinder 28.5
Cylinder 28.5 is installed in crank housing by pressing slightly.
So, it can be removed easily by striking the crank housing vertically
on the table in several time. ( see Fig. 16)
(8) Assembling piston, rod and crank shaft
1. Assemble 2 pcs. of O ring 30 on cylinder 28.5 and insert
the cylinder 28.5 into the crank housing. (see Fig.17)
2. Push the piston into the cylinder 28.5
till the hole of rod can be seen through
the hole of crank housing. (see Fig. 18)
3. Assemble crank shaft on crank housing
with fitting the pole of crank shaft in the hole
of rod. (see Fig. 18)
(9) Assembling fluoride ring 25 on impact bolt
1. After installing fluoride ring 20 on impact bolt,
the ring comes stretched and its edge come protruding
from the groove. (see Fig. 19)
2. In order to correct the deformation, insert impact bolt
with the fluoride ring 20 into the repairing tool, Taper
sleeve (No.1R259) and leave it in the repairing
tool about 10 seconds. (see Fig. 19)
3. When inserting impact bolt into tool holder, be careful
not to put the ring out of the grooove of impact bolt.
Fig. 16
O ring 30
Cylinder 28.5
Crank housing
O ring 30
O ring 22
Cylinder liner 28.5
Piston
Hole of rod
Crank room
Crank housing
Crank shaft
flat washer 42
Fig. 17
Fig. 18
Fig. 19
grooves on
Impact Bolt
Fluoride Ring 25
O ring 20
Before Correction :
Rings' edges are protruding from grooves
on Impact Bolt.
Taper Sleeve
Correction
After Correction :
Rings' edges are placed under grooves
on Impact Bolt.
Impact Bolt
corrected
