Air Conditioner Unit - wsm STW37 Workshop Manual

STW34, STW37, STW40, WSM

[4] AIR CONDITIONER UNIT

NOTE
• As for the mechanism and function of each component part, refer to "10. CABIN" section in the Workshop
Manual of tractor mechanism (Code No. 9Y021-18200).
The air conditioner unit consists of evaporator (2),
expansion valve (3), heater core (4), blower (1) etc..
(1) Blower
(2) Evaporator
A/C Blower
The blower is incorporated in the left-hand space of
the air conditioner unit. It blows cool, warm of fresh air
via the dashboard and defroster blow ports into the
cabin.
The speed of the blower motor (2) can be adjusted in
4 steps by the resistor (3).
The blower fan (1) is centrifugal type. The air being
sucked in parallel with the rotary shaft is blown in the
centrifugal direction; in other words, perpendicular to the
rotary shaft.
(1) Blower Fan
(2) Blower Motor
10-M7
CABIN
(3) Expansion Valve
(4) Heater Core
9Y1211109CAM0009US0
(3) Resistor
9Y1211109CAM0010US0
9Y1211109CAM0011US0
KiSC issued 11, 2014 A