OKADA TOP Series, Инструкция и перечень запасных частей для владельцев и операторов

Страница: 31 / 64

31
Disassembly and reassembly
1. PRECAUTION BEFORE DISASSEMBLY
(1) Be sure to carry out the disassembly and reassembly of the hydraulic breaker in a clean environment.
Dust is harmful to the hydraulic breaker. If possible, do the job in your factory.
(2) Always use genuine parts for replacement. The use of parts other than the genuine parts will adversely
affect the product’s performance and durability.
(3) Release all gas from the back cap.
2. DISASSEMBLY PROCEDURE
(1) Remove the chisel.
(2) Loosen the nipple, valve cap bolt, and valve box set bolt, and remove the valve cap. Draw out the valve
with the valve box sleeve. Then remove the valve box.
(3) Remove the back nut and draw out the back cap.
(4) Draw out the front cap together with the side rods from the cylinder.
(5) Fit an eyebolt into the head part of the piston and by using a round bar as a lever, pull the piston together
with the cylinder sleeve. (If it is difficult to pull the piston, insert a round bar from the front cap side and
hammer out the piston.)
●
At this time, slowly pull the piston, taking care not to gall
the piston.
●
If you have any hoisting device, place the piston upright, fit
an eyebolt into the head part of the piston and hoist the
piston together with the cylinder sleeve to easily remove it
(6) Remove the cylinder sleeve from the piston.
(7) Remove the U-packings and O-rings from the cylinder
sleeve.
●
It is recommended to use a 2 to 3 mm diameter rod that is
tapered and pointed at the end when removing O-rings.
(8) Remove the U-packings from the cylinder.
(9) Disassemble the cover cap, and gas valve body from the
back cap in this order.
Piston Cylinder sleeve
Lever
Sling
Supports