Subaru 1600 Service Manual page 580

HEATING, VENTILATING AND AIR-CONDITIONING SYSTEM
7) Tension Pulley and Idler Pulley
Tightening torque N·m (kg-m, ft-Ib)
T1: 24 - 39 (2.4 . 4.0, 17 - 29)
T2: 22 - 25 (2.2 - 2.5,16 - 18)
®
Fig. 13-89 Tension pulley
Tightening torque N·m (kg-m, ft-Ib)
22 - 25 (2.2 - 2.5, 16 - 18)
Spacer
2 Pulley
3 Washer
4 Spring washer
5 Bolt
Fig. 13-90 Idler pulley
A26-059
Replace tension pulley and/or idler
pulley if they rattle or make any
abnormal noises.
Torque N·m (kg-m, ft-lb)
Bolt for tension
22 - 25
pulley
(2.2 - 2.5,
16 - 18)
Bolt for idler
22 - 25
(2.2 - 2.5,
pulley
16 - 18)
I Bracket
2
Spacer
3 Pulley
4 Washer
5 Spring washer
6 Bolt
7 Plate nut
8
Bolt
A26·060
9 Spring washer
Procedure for adjusting the V-belts
tension
I Box wrench 3 V-belt
2
Tension
4
Compressor
pulley
Fig. 13-91
The V-belt's tension should be ad-
justed in the following manner.
1) Loosen the two bolts that mount
the tension pUlley.
2) Adjust the tension so the belt will
deflect to the specified value midway
between the tension pulley and the
compressor. Then tighten the lower
mounting bolt.
V-belt tension
Deflection 12 - 15 mm
(0.47 - 0.59 in)/at
98N (10 kg, 221b)
13-35
Torque
(Bolts)
24 - 39 N·m
(2.4 - 4.0 kg-m,
17-29ft-lb)
3) Tighten the upper mounting bolt.
8) Flexible Hose
Flexible hose! (PS)
A
~~
Flexible hose
(Pd)~
//s \ '\\
Fig. 13-92
A26-101
With the following cautions, replace
flexible hoses with new ones if they
are damaged or swollen.
1)
The flexible hoses should be free
from twists and tension after they
have been connected.
1) The flexible hoses must not be
bent forcibly.
3) Flexible hose (Pd) should be more
than 20 mm (0.79 in) away from the
compressor pulley after it has been
connected.
4) Tightening torque of flexible hose
connections:
Torque N·m (kg-m, ft-lb)
Flare nut
CD
20 - 29
on
(2.0 - 3.0,
Ps side
14 - 22)
Flare nut
®
20 - 29
on
(2.0 - 3.0,
Pd side
14 - 22)
Flare nut
@
on
25 - 34
(2.5 - 3.5,
Ps side
18 - 25)