Komatsu PC2000-8 BACKHOE, Operation & Maintenance Manual

Page: 204 / 504

DETAILED CONTROLS AND GAUGES
OPERATION
3-138
Circuit Breaker Capacity And Name Of Circuit
Circuit breaker (A)
Circuit breaker (B)
No.
Fuse
capacity
Circuit name
1 20A Pump controller 2
2 20A Pump controller 1
3 30A Work lamp
4 30A Head lamp (right)
5 30A Head lamp (left)
6 20A Right bank engine controller
7 20A Left bank engine controller
8 20A Starting switch, Pump controller, Monitor
9 20A
VHMS controller, ORBCOMM controller,
Electric priming pump (if equipped)
10 20A VHMS controller
No. Capacity Circuit name
1 60A
Left front lamp, Right front lamp, Working
lamp, Pump controller 1, Pump controller 2,
VHMS controller, Bottom dump solenoid valve,
Rotating lamp, Rear and side lamp, Radio,
Wiper, Window washer
2 60A
Swing holding brake solenoid valve, Machine
push-up, Boom anti-vibration solenoid valve,
PPC oil pressure lock solenoid valve, Starting
motor cut relay, Cigarette lighter, Horn, Flash-
ing lights, Air conditioner unit (top), Air condi-
tioner unit (bottom), 12V power source, Spare,
Additional power source
3 60A
VHMS controller, ORBCOMM controller, Elec-
tric priming pump (if equipped), Starting switch,
Pump controller, Monitor, Left bank engine
controller, Right bank engine controller, Radio
backup, Network pass power source, Engine /
Pump / Cab base room lamp, Room lamp,
Emergency stop circuit, Step light, Hydraulic
ladder
4 105A Left bank engine preheater
5 105A Right bank engine preheater