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Specifications (Rev. 04/02)
2
ENGINE (continued)
Radiator Cap Pressure
7 psi (48 kPa)
Drive
Direct to compressor; belts to fans, alternator and water
pump
BELT TENSION
Tension No. on TK Gauge P/N 204-427
Alternator Belt
35
Lower Fan Belt (Engine to Idler)
67
Upper Fan Belt (Fan to Idler)
74
REFRIGERATION SYSTEM
Compressor
Thermo King X430
Refrigerant Charge—Type
13 lb (5.9 kg)—R-404A
Compressor Oil Charge
4.3 qt (4.1 liters)*
Compressor Oil Type
Polyol Ester type P/N 203-413
Throttling Valve Setting
23 to 25 psi (159 to 172 kPa)
Heat/Defrost Method
Hot gas
High Pressure Cutout
470 ± 7 psi (3241 ± 48 kPa)
Automatic reset @ 375 ± 38 psi (2586 ± 262 kPa)
* When the compressor is removed from the unit, oil level should be noted or the oil removed from the
compressor should be measured so that the same amount of oil can be added before placing the
replacement compressor in the unit.
ELECTRICAL CONTROL SYSTEM
Voltage
12.5 Vdc
Battery
One, group C31, 12 volt battery
#2 Circuit Fuse (F9—2AA Circuit)
40 amp
Damper Fuse (F3—29F Circuit)
15 amp
High Speed Solenoid Fuse (F18—7D Circuit)
15 amp
#8 Circuit (F21—8F Circuit)
15 amp
Other Fuses
2, 3, or 5 amp
Battery Charging
12 volt, 37 Amp, brush type alternator
Voltage Regulator Setting
13.8 to 14.2 volts @ 77 F (25 C)
NOTE: The Alternator Field Fuse (F15) must be removed for the Bosch Alternator.
Summary of Contents for SB-III 30 SR+
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Page 111: ...101 Early Model Coiled Wire Fuse Link Wiring Schematic ...
Page 112: ...102 Early Model Coiled Wire Fuse Link Wiring Diagram Page 1 of 4 ...
Page 113: ...103 Early Model Coiled Wire Fuse Link Wiring Diagram Page 2 of 4 ...
Page 114: ...104 Early Model Coiled Wire Fuse Link Wiring Diagram Page 3 of 4 ...
Page 115: ...105 Early Model Coiled Wire Fuse Link Wiring Diagram Page 4 of 4 ...
Page 116: ...106 Late Model Fuse Link in Battery Cable Wiring Schematic ...
Page 117: ...107 Late Model Fuse Link in Battery Cable Wiring Diagram Page 1 of 4 ...
Page 118: ...108 Late Model Fuse Link in Battery Cable Wiring Diagram Page 2 of 4 ...
Page 119: ...109 Late Model Fuse Link in Battery Cable Wiring Diagram Page 3 of 4 ...
Page 120: ...110 Late Model Fuse Link in Battery Cable Wiring Diagram Page 4 of 4 ...