Komatsu PC200-8M0, Shop Manual

Page: 1112 / 1254

SEN06147-00
50-600
2
PC200, 200LC, 220, 220LC-8M0
600 Work equipment
Removal and installation of work equipment assembly
Removal and installation of work
equipment assembly
Special tools
Removal
k Safely lower the work equipment to the
ground by extending the arm and the
bucket completely. Set the lock lever in
the lock position,
k After performing step 5, release the resid-
ual pressure in the hydraulic circuit. Refer
to the "Releasing residual pressure from
hydraulic circuit" section in the Testing
and adjusting chapter of this manual.
k Disconnect the cable from the negative (–)
terminal of the battery.
1. Disconnect grease hose (1).
2. Sling the boom cylinder assembly (2).
3. Remove lock bolt (3).
4. Remove plate (4) and remove the head pin. [*1]
a
Check the number as well as locations of
the shims used.
5. Start the engine and then retract the piston rod.
a
Bind the piston rod with wire etc. and put it
down on the blocking tools so that the pis-
ton rod does not slip out, or allot a support
so that the cylinder doesn't fall down to the
bottom side. If a support is allotted, remove
the grease fitting at the bottom side.
a
Remove the boom cylinder on the other
side in the same manner.
a
If bumping of the lifting hook against the
work equipment lamp is anticipated in lift-
ing the work equipment, the lamp must be
removed.
6. Disconnect 2 pieces of bucket cylinder hose
(6) and 2 pieces of arm cylinder hose (7).
a
Apply the oil restraining plug and then fix
the hoses to the valve side by use of
ropes.
7. Disconnect intermediate connector for work-
ing lamp A13 (8).
Sym
b
ol
Part number Part name
Essen
tia
lity
Q
uan
ti
ty
V
796-900-1200 Remover
t
1
796-900-1210 • Sleeve 1
792-900-1520 • Plate 1
799-900-1230 • Screw 1
796-900-1240 • Adapter 1
01643-33080 • Washer 1
01803-13034 • Nut 1
790-101-4000
Puller
(490 kN {50 ton} long)
t
1
790-101-1102 Pump (294 kN {30 ton})
t
1