wsm L503 Workshop Manual page 607

L3130 · L3430 · L3830 · L4630 · L5030, WSM
Air Conditioning Unit
1. Remove the unit cover (1).
2. Disconnect the heater hoses (5).
3. Disconnect the cooler pipe (liquid) (6) and cooler pipe (suction
side) (7).
4. Remove the screws and take off the unit.
5. Remove the duct hoses.
(When reassembling)
• When reconnecting the cooler pipes with the unit, apply
compressor oil (DENSO.CO. OIL8 or equivalent) to O-rings.
• When remounting the unit, tighten five screws by hand and finally
retighten them after aligning the inner roof duct with the unit duct.
• When connecting the heater hose with A/C unit, hose should be
put into the A/C unit pipe more than 30 mm (1.2 in.)
A/C unit mounting screw
(M6)
A/C unit mounting screw
(M8)
Tightening torque
Low pressure pipe (Cooler
pipe (suction)) retaining
nut
High pressure pipe (Cooler
pipe (liquid)) retaining nut
(1) Unit Cover
(2) Expansion Valve
(3) Evaporator
(4) Heater Core
(5) Heater Hoses
10-S41
3.92 to 6.86 N·m
0.40 to 0.70 kgf·m
2.89 to 5.06 ft-lbs
9.8 to 11.68 N·m
1.00 to 1.19 kgf·m
7.23 to 8.6 ft-lbs
29.4 to 34.3 N·m
3.0 to 3.5 kgf·m
21.7 to 25.3 ft-lbs
11.8 to 14.7 N·m
1.2 to 1.5 kgf·m
8.7 to 10.8 ft-lbs
(6) High Pressure Pipe (Cooler Pipe
(Liquid))
(7) Low Pressure Pipe (Cooler Pipe
(Suction Side))
W1025169
KiSC issued 02, 2007 A
CABIN