Component Identification for Figure 3-66:
Item Description
Elevated Cab
1a Power Supply Receptacle—4P3W 100A, 250VDC
2 Circuit Breaker Load Center
18a Main Breaker (50 amp)
18b Control Console Heater Breaker (15 amp)
18c Battery Pad Heaters Breaker (15 amp)
18d Engine Coolant, and Oil Heater Breaker (20 amp)
18e Hydraulic Reservoir Heaters Breaker (15 amp)
18f Spare
Standard Cab
1b Power Supply Receptacle—3P4W 50A, 125/250 VDC
2 Circuit Breaker Load Center
19a Main Breaker (50 amp)
19b Engine Coolant Heater Breaker (20 amp)
19c Treadle Valve Heater, and Front Control Console Heater
Breaker (15 amp)
19d Hydraulic Reservoir Heaters, Engine Oil Heater, and
Battery Pad Heaters Breaker (15 amp)
Standard and Elevated Cabs
3 Thermostat Controls
4 Heater Controls
5 Brake Pedal Valve Thermostat
6
Brake Pedal Valve Heater
1
(15 amp)
7 Hydraulic Oil Thermostat (under cover)
8 Hydraulic Oil Heaters
9 Battery Thermostat
10 Battery Heater (two places)
11 Engine Oil Heater
12
Engine Coolant Heater
2
13 Engine Oil Thermostat
14 Radiator Fan Switch
15 Air Dryer
1
Not provided on some cranes
2
Heater has built-in thermostat
197036C
81012560D
18a
18d
19a
19b
19c
19d
18e
18f
18c
18b
Breaker Arrangements
FIGURE 3-66 continued
Elevated Cab
Standard Cab