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III-60
System Operation
The following AC components are discussed in detail in this section:
1.
Compressor/Clutch Assembly
2.
Condenser
3.
Receiver-Drier
4.
Expansion Valve
5.
Evaporator Coil
1. Compressor/Clutch Assembly
The compressor/clutch assembly is the heart of the system. When the clutch is engaged,
the compressor pumps refrigerant and oil around the system. It raises the temperature
and pressure of the refrigerant gas, and forces it to the condenser where it changes
state and becomes a liquid. The compressor also sucks the vaporized refrigerant out
of the evaporator and back inside itself in the form of gas. One way valves inside the
compressor separate the compressed gas (high pressure) side of the system from the
suction (low pressure) side. Figure 2-3 shows a cutaway view of a compressor with the
high and low pressure sides noted.
Figure 2-2
Air Conditioner components
are connected together to
illustrate system operation.
The components shown are
not to scale. The refrigerant
and refrigerant oil are clear
in color and not visible in
this drawing. The small ar-
rows inside the components
and connecting hoses show
the direction of refrigerant
flow (refrigerant circuit).
Summary of Contents for TL150
Page 1: ...TL150 Track Loader BOOK No CT7E901 WORKSHOP MANUAL Serial No 21500004...
Page 4: ...0 4...
Page 5: ...I 1 I GENERAL...
Page 18: ...I 14 GENERAL...
Page 19: ...II 1 II SPECIFICATIONS...
Page 44: ...III 1 III MACHINE CONFIGURATION...
Page 94: ...III 51 MACHINE CONFIGURATION ELECTRICAL SYSTEM ELECTRICAL SYSTEM ELECTRICAL WIRING DIAGRAM...
Page 122: ...III 79...
Page 146: ...MACHINE CONFIGURATION III 103...
Page 147: ...IV 1 IV HYDRAULIC UNITS...
Page 152: ...IV 6 HYDRAULIC UNITS HST PUMP 1 Plug 2 Plug 3 Plug 4 Screw 5 Seal Nut 6 Plug Pump Assembly 4 4...
Page 189: ...IV 43 HYDRAULIC UNITS GEAR PUMP INSPECTION AND ADJUSTMENT IV 36 38 TROUBLESHOOTING IV 39...
Page 230: ...IV 84 HYDRAULIC UNITS PILOT VALVE INSPECTION AND ADJUSTMENT IV 79 TROUBLESHOOTING IV 80...
Page 261: ...IV 115 HYDRAULIC UNITS TRAVEL MOTOR DISASSEMBLY AND ASSEMBLY Special tools...
Page 263: ...IV 117 HYDRAULIC UNITS TRAVEL MOTOR...
Page 282: ...IV 136 HYDRAULIC UNITS TRAVEL MOTOR...
Page 283: ...V 1 V TROUBLESHOOTING...