Removal And Installation Of Revolving Frame Assembly - Komatsu Galeo PC800-8 Shop Manual

50 Disassembly and assembly
Removal and installation of
revolving frame assembly
Removal
1. Remove the work equipment assembly. For
details, see "Removal and installation of work
equipment".
2. Remove the counterweight assembly. For details,
see "Removal and installation of counterweight
assembly".
3. Disconnect 4 grease tubes (1).
4. Remove all revolving frame mounting bolts (2),
except 3 – 4 pieces at the front and rear.
a While running the engine and swinging the
upper structure, remove the mounting
bolts.
a If the engine is not started, remove the
swing motor and swing the upper structure
with a crane.
5. Drain the hydraulic tank.
6
Hydraulic tank: 470 l
6. Remove work equipment hose (3).
7. Remove swing motor hose (4).
PC800, 850-8
8. Disconnect swivel joint upper pipings (5) – (10).
1
[*1]
9. Pull out pin (11) and move link (12) toward the
frame.
SEN01056-01
25