Komatsu Galeo PC800-8 Shop Manual page 1043

50 Disassembly and assembly
iii) Using tool U6, remove piston assem-
bly (4).
When not using tool U6, loosen
q
the piston assembly by using the
holes in which the pins of tool U6
are set (ø10: 2 places).
Applicable to:
q
Boom and arm cylinder for stan-
dard and SE specifications.
Bucket cylinder for standard
specification.
iv) Remove 6 screws (21), then remove
s pac er ( 22) , and r emov e p is ton
assembly (4) and O-ring, back-up ring
(23).
Applicable to bucket cylinder for
q
SE specification.
PC800, 850-8
v) Remove plunger (5).
vi) Remove collar (6).
vii) Remove head assembly (7).
viii) Remove cap (8), and pull out 11 balls
(9), then remove cushion plunger (10).
Applicable to arm cylinder.
q
SEN01057-01
39