Komatsu F30791, Shop Manual, Page: 226 / 298

6 - Attach the platform (6) to some hoisting tackle and
apply a slight tension to the cables.
7 - Loosen lock platform screws (24) and raise it.
H Check that the platform completely free while it is
being raised, and that no other parts are da-
maged.
8 - Place a block " A " (approx. 15 cm).
H Keep the hoisting cables connected to platform
with slight tension.
PC20R-8
9 - Disconnect the pipes (8) and the drainage pipe (9).
H Mark the tubes to avoid exchanging them during
re-assembly.
H Plug the tubes to prevent entry of impurities.
10 - Take out the screws (10) and remove the swing ma-
chinery (11).
Swing machinery: 27 kg
PC27R-8
11 - Disconnect the delivery pipe (12), the exhaust pipe
(13) and the drainage pipe (14).
H Mark the tubes to avoid exchanging them during
re-assembly.
H Plug the tubes to prevent entry of impurities.
10 - Take out the screws (15) (N
o
. 6) and remove the
swing machinery (16).
Swing machinery: 32 kg
30-44
REMOVAL AND INSTALLATION SWING MACHINERY
PC20R-8 PC27R-8
RKPA3321
7
6
RKPA3400
A
RKPA2531
8
9
10
11
RKPA2303
16
15
12
13
14
PC20R-8
PC27R-8