303 CR Mini Hydraulic Excavator Caterpillar


Fuses - Replace

Usage:

303 DMA


Illustration 1g00846309

The fuse panel is located inside the access cover on the left front side of the seat support. Open the access cover for fuse access.

Fuses - Fuses protect the electrical system from damage that is caused by overloaded circuits. Change a fuse if the element separates. If the element of a new fuse separates, check the circuit and/or repair the circuit.


NOTICE

Always replace fuses with the same type and capacity fuse that was removed. Otherwise, electrical damage could result.



NOTICE

If it is necessary to replace fuses frequently, an electrical problem may exist.

Contact your Caterpillar dealer.


To replace a fuse, use a puller that is stored in the fuse panel. The following spare fuses are contained in the fuse panel:

  • 10 Amperes

  • 20 Amperes

  • 30 Amperes

The following list identifies the circuits that are protected by each fuse. The amperage for each fuse is included with each circuit.



Illustration 2g00825420

(1) Horn - 10 Amp

(2) Spare - 10 Amp

(3) Travel Alarm - 10 Amp

(4) Dome Light and Radio - 20 Amp

(5) Hydraulic System and Fuel Shutoff - 10 Amp

(6) Engine Start - 30 Amp

(7) Heater and Air Conditioner - 20 Amp

(8) Windshield Washer and Lighter - 20 Amp

(9) Engine Speed - 20 Amp

(10) Beacon - 10 Amp

(11) Panel Dimmer - 10 Amp

(12) Spare - 20 Amp

(13) Spare - 30 Amp

(14) Work Lights - 10 Amp

Caterpillar Information System:

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5110B, 5110B L and 5110B MH Excavator Hydraulic System Pilot Manifold
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330C Excavator Machine System Specifications Air Conditioner Lines
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