Electrical System; Electrical Circuit - Kubota M8540 Workshop Manual

M8540, M9540, WSM

[7] ELECTRICAL SYSTEM

(1) Electrical Circuit

(1) Battery
(2) Slow Blow Fuse
(3) Main Switch
(4) Thermo Amplifier
(5) Frost Thermistor
The process of magnetic clutch being engaged is shown below.
Main Switch (3) ON → A/C Switch (15) ON → Blower Switch (12) ON (Low, Medium 1, Medium 2 or High) →
Compressor Relay (7) ON → Thermo Amplifier (4) ON (the thermostat temperature is more than 3 °C (37.4 °F)) →
Pressure Switch (6) ON (if refrigerant pressure is between 0.21 MPa (2.1 kgf/cm
384 psi) → Magnetic Clutch of Compressor Engaged.
(6) Pressure Switch
(7) Compressor Relay
(8) Blower Relay
(9) Blower Motor
(10) Blower High Relay
(11) Blower Resistor
(12) Blower Switch
(13) Compressor
10-M6
(14) A/C Control Panel
(15) A/C Switch
(a) To Light Switch
2
, 30 psi) and 265 MPa (27 kgf/cm
CABIN
2
,
KiSC issued 09, 2008 A