Manitowoc MLC300 Service And Maintenance Manual

Reference Only
Manitowoc Published 11-22-17, Control # 257-02 3-7
MLC300 SERVICE/MAINTENANCE MANUAL ELECTRICAL SYSTEM
3
NOTE: Sockets for circuit breakers CB7, CB10—CB14,
and CB58—CB60 are not used.
Circuit
Breaker
Amps Description of Item Protected
Circuit
Breaker
Amps Description of Item Protected
CB1 15 Does not leave the Junction Box CB36 15 IOLC31 (+UB input supply)
CB2 10 ECM Start Relay (K7) CB37 15 IOLC31 (+UB input supply)
CB3 15 Spare CB38 15 IOLC31 (+UB input supply)
CB4 15
External Key Switch, Setup Remote
Receiver, and Displays
CB39 15 CCMC11 (+UB input supply)
CB5 15
Dome Light, Horn, Radio, Bed Service
Lights
CB40 15 CCMC11 (+UB input supply)
CB6 15
Ignition Switch Circuits and Boom Top
Warning Light
CB41 25
24 V
DC
-to-12 V
DC
Converter (seat
motors and power points)
CB8 15 Control Modules +UE Power Supply CB42 15 Heater/AC, ECU Power Interface
CB9 15 Diesel Heater CB43 15 Wipers
CB15 10 Spare CB44 15
Back Panel Lights, Diagnostic Port,
Cameras, and Work Lights
CB16 10 Engine CPC4 (MTU engine) CB45 15 SCM-00, IOSA22 (+UB input supply)
CB17 30
Engine ECM (Cummins engine)
Engine MCM (MTU engine)
CB46 15 Joysticks, Jog Dial, Park Switches
CB18 10 Spare CB47 15 Spare
CB19 15
DEF Heater Relays (K8, K12, K13)
(Cummins engine)
CB48 15 Diesel Heater
CB20 15 Spare CB49 15 IOLC33 (+UB input supply)
CB21 15 IOLC30 (+UB input supply) CB50 15 IOLC33 (+UB input supply)
CB22 15 IOLC30 (+UB input supply) CB51 15 IOLC34 (+UB input supply)
CB23 15 IOLC30 (+UB input supply) CB52 15 IOLC34 (+UB input supply)
CB24 15 IOLC30 (+UB input supply) CB53 15 IOLC34 (+UB input supply)
CB25 15 IOLC32 (+UB input supply) CB54 15 Not Used
CB26 15 IOLC32 (+UB input supply) CB55 15 Spare
CB27 15 IOLC32 (+UB input supply) CB56 15 Spare
CB28 15 IOLC32 (+UB input supply) CB57 15
CCMB11 and IOSB22
(+UB, UE, KL15 input supply)
CB29 15 SCMD01 (+UB, KL15) CB61 120 Main Circuit Breaker
CB30 15 Spare CB62 40 Engine ACM (MTU engine)
CB31 15 CCM-10 (+UB input supply)
CB32 15 CCM-10 (+UB input supply) F1 10 Power Point (right 12 V outlet)
CB33 15 CCM-10 (+UB input supply) F2 10 Power Point (left 12 V outlet)
CB34 15 CCM-10 (+UB input supply) F3 10 Radio
CB35 15 IOLC31 (+UB input supply) F4 10 Spare

Manitowoc MLC300 Specifications

General

Brand	Manitowoc
Model	MLC300
Category	Construction Equipment
Language	English