Specifications
18
Belt Tension
Tension on TK Gauge (See Tool Catalog)
New Belt
Field Reset
Engine/Electric Motor (Jackshaft) Reading on bottom
span between engine and electric motor
55 to 65
55 to 60
Electric Motor (Jackshaft)/Compressor Reading
between electric motor and alternator (or 1/4 in.
deflection with 10 lb pressure)
55 to 60
55 to 60
Water Pump
40
40
NOTE: Use belt tension gauge (See Tool Catalog) whenever possible to check belt tension.
New belts should be tensioned cold and tensioned cold again after 10 hours of unit operation.
Refrigeration System
Compressor Model
TKO 4.0 hp Scroll
Refrigerant Charge
7 lb (3.2 kg) R-404A
*Compressor Oil Charge
1.6 qt (1.5 liters)
Compressor Oil Type:
R-404A (Solest 35)
Ester base required for Scroll compressor (See
Tool Catalog)
Suction Pressure Regulator Valve Setting:
TS-200
28 to 30 psig (193 to 207 kPa)
TS-300
36 to 38 psig (248 to 262 kPa)
High Pressure Cutout Switch:
Open
470 ± 7 psig (3241 ± 48 kPa)
Close
375 ± 38 psig (2586 ± 262 kPa)
Liquid Injection Valve:
Closed
Below 250 F (121 C)
Begins to Open
250 F (121 C)
Fully Open
260 F (127 C)
Compressor High Temperature Cutout Switch: Opens
293 ± 0.3 F (145 ± 5 C)
Closes
142 ± 27 F (61 ± 15 C)
* When the compressor is removed from the unit, oil level should be noted or the oil removed from the
compressor should be measured. This is to be sure that the same amount of oil can be added before placing the
replacement compressor in the unit.
Engine Clutch - Hilliard
Model
(Dwg. No. 2C38624G01)
Engagement
600 ± 100 RPM
Dynamic Torque
66 ft-lb (89.5 N•m) minimum @ 1600 RPM
Summary of Contents for 919180
Page 4: ...4...
Page 10: ...Table of Contents 10...
Page 32: ...Unit Description 32 Unit Photographs Figure 3 Front View Figure 4 Back View AJA584 AJA585...
Page 33: ...Unit Description 33 Figure 5 Left Side View Figure 6 Right Side View AJA586 AJA58...
Page 35: ...Unit Description 35 Figure 8 North American Power Receptacle Box AJA58...
Page 38: ...Unit Description 38...
Page 58: ...Electrical Maintenance 58...
Page 66: ...Engine Maintenance 66 Figure 37 Fuel and Oil System Components...
Page 84: ...Engine Maintenance 84...
Page 96: ...Refrigeration Maintenance 96...
Page 118: ...Hilliard Clutch Maintenance 118...
Page 136: ...Cycle Diagrams 136...
Page 140: ...Wiring and Schematic Diagrams Index 140...
Page 141: ...141 Truck S Model SR 30 Schematic Diagram Page 1 of 2...
Page 142: ...142 Truck S Model SR 30 Schematic Diagram Page 2 of 2...
Page 143: ...143 Truck S Model 30 Units with P T Wiring Diagram Page 1 of 2...
Page 144: ...144 Truck S Model 30 Units with P T Wiring Diagram Page 2 of 2...
Page 145: ...145 Truck S Model 50 Schematic Diagram Page 1 of 2...
Page 146: ...146 Truck S Model 50 Schematic Diagram Page 2 of 2...
Page 147: ...147 Truck S Model 50 Units with P T Wiring Diagram Page 1 of 2...
Page 148: ...148 Truck S Model 50 Units with P T Wiring Diagram Page 2 of 2...