CABIN
B2050, B2350, B2650, B3150, WSM
10-S40
Air Conditioning Unit
1. Remove the unit cover.
2. Disconnect the heater hoses (4).
3. Disconnect the air conditioner pipes (2).
4. Remove the screws and the unit.
5. Remove the duct hoses.
(When reassembling)
• When reconnecting the cooler pipes with the unit, apply
compressor oil (DENSO CO. ND-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.)
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(5) Removing Air Conditioner Pipes
Discharging Refrigerant
• See page 10-S17.
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Bonnet
• See page 1-S24.
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Tightening torque
A/C unit mounting screw
(M6)
4.0 to 6.8 N·m
0.40 to 0.70 kgf·m
2.9 to 5.0 lbf·ft
A/C unit mounting screw
(M8)
9.81 to 11.6 N·m
1.00 to 1.19 kgf·m
7.24 to 8.60 lbf·ft
Low pressure pipe (Cooler
pipe (suction)) retaining nut
7.90 to 11.8 N·m
0.806 to 1.20 kgf·m
5.83 to 8.70 lbf·ft
High pressure pipe (Cooler
pipe (liquid)) retaining nut
11.8 to 14.7 N·m
1.21 to 1.49 kgf·m
8.71 to 10.8 lbf·ft
(1) Evaporator
(2) Air Conditioner Pipe
(3) Heater Core
(4) Heater Hoses
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