Disassembly And Assembly Of Work Equipment Cylinder - Komatsu PC200-8M0 Shop Manual

SEN06146-00
Disassembly and assembly of
work equipment cylinder
Special tools
Part number
790-502-1003 Cylinder repair stand
1
790-101-1102 Pump
790-102-4300 Wrench assembly
2
790-102-4310 Pin
3 790-720-1000 Expander
Rubber band
796-720-1670
(for boom and bucket))
07281-01279 Clamp
4
Rubber band
796-720-1680
(for bucket)
07281-01589 Clamp
U 790-201-1702 Push tool kit
• Push tool
790-201-1841
5
790-201-1851 • Push tool (for arm)
790-101-5021 • Grip
01010-50816 • Bolt
790-201-1500 Push tool kit
• Plate (for boom and
790-201-1650
6
790-201-1660 • Plate (for arm)
790-101-5021 • Grip
01010-50816 • Bolt
28
50-500
Part name
(for boom and bucket)
bucket)

Disassembly and assembly of work equipment cylinder

Disassembly
Disconnection of cylinder assembly and piston
1
rod assembly
1. Remove the piping from the cylinder assembly.
2. Remove 12 mounting bolts and disconnect cyl-
inder head assembly (1).
3. Pull out piston rod assembly (2).
q 1
a Place a container under the cylinder to
q 1
collect oil from the cylinder.
t 1
t 2
q 1
q 1
q 1
q 1
q 1
t 1
1
1
1
Disassembly of piston rod
1. Set piston rod assembly (2) on tool U1.
1
t 1
1
1
1
1
500 Hydraulic system
PC200, 200LC, 220, 220LC-8M0