SECTION5ELECTRICAL.qxd (EN)

SECTION 5 ELECTRICAL General Information .............................. 5.1 Specifications ............................................................................... pg. 5-2 Introduction .................................................................................. pg. 5-3 Wiring Schematic .................................. 5.2 ROPS Harness ............................................................................. pg. 5-4 Engine Harness ............................................................................ pg. 5-4 Schematic ........................................................................pg. 5-5, 5-6, 5-7 Instrumentation .....................................

5.3 Dash Panel ................................................................................... pg. 5-8 Switch and Bulb Replacement ..................................................... pg. 5-8 Fuel Gauge ................................................................................... pg. 5-9 Fuel Sender ................................................................................ pg. 5-10 Hour Meter ................................................................................. pg. 5-10 Ignition Switch ...................................... 5.4 Ignition Switch Test ....................................................................

pg 5-11 Engine Glow Plugs ............................... 5.5 Glow Plug Test ........................................................................... pg. 5-12 Indicator Test ............................................................................. pg. 5-12 Battery ................................................... 5.6 Removal & Inspection ...................................................... pg. 5-13, 5-14 Boosting ..................................................................................... pg. 5-14 Electrical Panel ..................................... 5.7 Circuit Breaker, Fuse & Relay .................................................. pg.

5-15 Starter Circuit ........................................ 5.8 Schematic ................................................................................... pg. 5-16 Charging Circuit ................................... 5.9 Schematic ................................................................................... pg. 5-17 Safety Circuit ...................................... 5.10 Schematic ................................................................................... pg. 5-18 General Information ...................................................................p g. 5-19 Cooling Fan Circuit ............................

5.11 Schematic ................................................................................... pg. 5-20 General Information ................................................................... pg. 5-21 Auxiliary Circuit ................................. 5.12 Schematic ................................................................................... pg. 5-22 Auxiliary Control Handle .......................................................... pg. 5-23 Accessory Circuit ................................ 5.13 Schematic ................................................................................... pg. 5-24 Trouble Shooting ................................

5.14 Guide ................................................................................ pg. 5-25, 5-26 5 5-1

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GENERAL INFORMATION 5.1 Ignition .......................................................... 12 Volts Grounding .................................................... Negative Alternator Brand ................................... Nippondenso Alternator Rating ........................................... 60 Amp Alternator Type ............................. Internal Regulator Battery ............................................................ One (1) Battery Rating ............................................ 730 CCA, .................................................. 125 Reserve Minutes Battery Type ............................................

SERV 3478 Starter Brand ......................................... Nippondenso Pre - Heater ........................................ (4) Glow Plugs Glow Plug Location ............................ Cylinder Head Circuit Breaker ....................................... (1) 40 Amp, ............................................. Starter / Ignition Switch Protection .......... Fuse Block in Engine Compartment Fuse Rating: Engine Shut Off Solenoid ............................. 15 Amp Alternator ....................................................... 10 Amp Safety Circuit ................................................. 10 Amp Horn ...............................................................

10 Amp Aux. Hydraulics ............................................. 10 Amp Cab Heater ..................................................... 10 Amp Back up Alarm ............................................... 10 Amp Dome Light .................................................... 10 Amp Starter ................................................. 40 Amp Relay* Glow Plugs ........................................ 40 Amp Relay* Cooling Fans ............................... (2) 40 Amp Relay* * ............................. Linked to 10 Amp Fuse in Panel 5 5-2

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GENERAL INFORMATION 5.1 Introduction Seat pressure switch The photographs below and at right show the safety switches and their location. These photographs will assist you when referencing the electrical circuit drawings. The parking brake will not release and the lift and tilt hydraulic functions will not operate when any one of these circuits have failed or malfunctioned. Connector Be sure to disconnect the seat pressure switch connec- tor before removing the seat from the loader and be careful not to pinch the wires upon installation.

C807 Seat belt switch Main harness plug connection 5 C2458 C2451 Control valve Parking brake switch (optional) Solenoid spool locks C2348 C1106 Restraint bar switch Hydraulic brake valve C2027 C2362 5-3

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WIRING SCHEMATIC 5.2 5 5-4 Engine Harness Connector Diagram C2459a Legend. Shown is the wire color and function of each pin terminal in the connector plug.

C2459a 12 13 11 1 10 2 9 3 8 4 7 6 5 PIN WIRE COLOR FUNCTION 1 Tan Starter relay 2 Blk / Wht Fuse block 3 Red / Wht Glow plug relay 4 White Circuit breaker 5 Purple Engine oil pressure 6 Pink Air filter 7 Pple / Wht Coolant temperature 8 Wht / Brn Horn button 9 Brn / Wht Brake light switch 10 Red / Org Rear light 11 Org / Blue Fuel level (+) 12 Blue / Wht Hydraulic temperature 13 Grey / Wht Alternator (L) 14 Grey Seat Belt PIN WIRE COLOR FUNCTION 1 Tan Starter relay 2 Blk / Wht Fuse block 3 Red / Wht Glow plug relay 4 White Circuit breaker 5 Purple Engine oil pressure 6 Pink Air filter 7 Pple / Wht Coolant temperature 8 Wht / Brn Horn button 9 Brn / Wht Brake light switch 10 Red / Org Rear light 11 Org / Blue Fuel level (+) 12 Blue / Wht Hydraulic temperature 13 Grey / Wht Alternator (L) 14 Grey Seat Belt ROPS Harness Connector Diagram C2459 Legend.

Shown is the wire color and function of each pin terminal in the connector plug. 12 13 11 1 10 2 9 3 8 4 7 6 5 C2459 ROPS Harness Connector Diagram C2459 Legend. Shown is the wire color and function of each pin terminal in the connector plug. PIN WIRE COLOR FUNCTION 1 Purple Eng. oil press. indicator 2 Org / Blue Fuel level (+) gauge 3 Grey Charge (L) indicator 4 Grey / Wht Brake light 5 Blue Hyd. temp. indicator 6 Yl / Red Spare 7 Wht / Brn Horn 8 Brown Aux. indicator 9 White / Pple Spare 10 Red Seat belt indicator 11 Tan Ignition (50) 12 Red / Wht Ignition (19, 17) 13 Pple / Wht Coolant temp. indicator

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