Removal And Installation Of The Work Equipment Assembly - Komatsu PC210-8 Shop Manual

UEN00664-00
Work equipment
Removal and installation of the
work equipment assembly
Special tools
Part number
796-900-1200 Remover
• 796-900-1210 • Sleeve
• 792-900-1520 • Plate
• 799-900-1230 • Screw
• 796-900-1240 • Adapter
V
• 01643-33080 • Washer
• 01803-13034 • Nut
Puller
790-101-4000
(490kN {50 ton} long)
Pump (294 kN {30 ton}) t 1
790-101-1102
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
Release the residual pressure in the
hydraulic circuit. Refer to the Release of
Remaining Pressure in Hydraulic Circuit
section in the Testing and adjusting chap-
ter of this manual.
1. Disconnect grease hose (1).
2. Sling the boom cylinder Assembly (2).
Demolition spec.
q
a Articles 3. & 4. for the demolition spec.
3. Remove the lock bolt and nut (3).
4. Remove plate (4), then remove head pin (5).
[*2]
a Check the number as well as locations of
the shims used.
2
Part name
t 1
1
1
1
1
1
1
t 1
[*1]
50 Disassembly and assembly
Except demolition spec.
q
a Articles 5. & 6. for except the demolition spec.
5. Remove lock bolt (3).
6. Remove plate (4) and remove the head pin. [*3]
a Check the number as well as locations of
the shims used.
7. Start the engine and then retract the piston rod.
a Bind the piston rod with wire etc. and put it
down the blocking tools so that the piston
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.
8. Disconnect 2 pcs. of bucket cylinder hose (6) &
2 pcs. of arm cylinder hose (7).
a Apply the oil restraining plug and then fix
the hoses to the valve side by use of
ropes.
9. Disconnect intermediate connector for work-
ing lamp A13 (8).
PC210, 230,240-8