Komatsu PC20R-8 Shop Manual page 201

REMOVAL AND INSTALLATION
REMOVAL OF THE HEATING FAN
Completely lower the working equipment until it is
resting on the ground and stop the engine and take
out the ignition key.
H Drain the engine coolant.
Coolant: approx. 4
1 - Remove the floor mat.
2 - Remove screws (1).
3 - Loosen screws (2) and take out the cover (3).
4 - Remove the travel increment pedal (4).
5 - Remove the L.H. lower cover (for details, see «RE-
MOVAL OF THE L.H. LOWER COVER») and remove
the swivel pin (5).
6 - Disconnect the return tube (6) and delivery tube (7) to
heating fan.
H Plug the tubes to prevent entry of impurities.
7 - Loosen screws (8) (N
move the complete fan (10).
H Accompany the tubes (6) and (7) to avoid to da-
mage them.
H Take care not to take out completely the tube (6)
and (7) from engine box.
8 - Disconnect the connector (11).
9 - Loosen the clips (12) and take out the tubes (6) and
(7).
10 - Remove the heating fan (13).
PC20R-8 PC27R-8
,
. 2), remove cover (9) and re-
o
1
5
3
4
6
10
8
11
12
HEATING FAN
2
RKPA2800
7
RKPA2810
9
RKPB5530
13
6
7
RKPA2830
30-19