Hyundai HX145LCR Manual page 671

ARM CYLINDER
2)
(1) Removal
Expand the arm and bucket fully, lower the
work equipment to the ground and stop
the engine.
Operate the control levers and pedals
several times to release the remaining
pressure in the hydraulic piping.
Loosen the breather slowly to release the
pressure inside the hydraulic tank.
Escaping fluid under pressure can
penetrate the skin causing serious injury.
F i t bl i n d p l u g s i n t h e h o s e s a f t e r
disconnecting them, to prevent dirt or dust
from entering.
Set block between arm cylinder and boom.
Remove bolt (2) and pull out pin (1).
Disconnect greasing piping (4) of arm
cylinder rod.
Tie the rod with wire to prevent it from
coming out.
Disconnect arm cylinder hoses (5) and put
plugs on cylinder pipe.
Disconnect greasing pipings (6).
Arm cylinder
4
Plug
8-199
13031GE18
Block
140WF8CY18
1
2
235ZF8CY19
5
6
235ZF8CY20