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Operating Principles for Cat® 735C, 740C EJ & 745C Trucks
Learn to operate CSeries articulated trucks with this step-by-step guide. Covers safety inspections, cab adjustments, start-up, traction control, loading, dumping, regeneration, and maintenance to ensure efficient and safe operations.
Learn to operate CSeries articulated trucks with this step-by-step guide. Covers safety inspections, cab adjustments, start-up, traction control, loading, dumping, regeneration, and maintenance to ensure efficient and safe operations.
1

Introduction

  • The CSeries of articulated trucks includes machines in the 35, 40, and 45-tonne size classes.
  • New features are explained in the following steps.
2

C Series Machine Walk-Around

Conduct a Safety Walk-Around

  • Check for loose fittings and leaks.
  • Inspect tires for damage.
  • Ensure lights are working.
  • Check fluid levels.
3

Prepare for Operation

  • Isolate the machine.
  • Enter the cab using three points of contact.
  • Climb the steps onto the guarded walkway.
4

C Series In the Cab

Adjust the Operator Seat

  • Adjust seat suspension until the white line is in the green indicator.
  • Move the seat closer or further using the handle.
  • Adjust the seat support for comfort.
5

Set Up Steering and Mirrors

  • Adjust the steering wheel for tilt and reach.
  • Lower the armrest.
  • Position mirrors for optimal visibility.
  • Adjust mirrors manually or with electric controls.
  • Activate heated mirrors if available.
6

Use the CMPD

  • Access information and up to three additional cameras.
  • View data from the optional CAT production measurement system.
7

C Series Start-Up Procedure

Prepare for Start-Up

  • Ensure gear selection is in neutral.
  • Ensure hoist lever is in the hold position.
  • Engage the park brake.
8

Start the Machine

  • Hold the brake pedal and start the engine.
  • Release the park brake and put the machine in gear.
  • Move the hoist lever into the float position.
  • Check the area around you is clear and pull away.
9

C Series Traction Control

Use Automatic Traction Control

The operation of cross axle differential locks is fully automatic and requires no input from the operator.

10

C Series Retarder Operation

Use Automatic Retarder System

  • Choose off, manual (stages one or two), or fully automatic.
  • Pre-select the gear before descending.
  • Select the retardation stage with the lever.
  • Remove foot from the throttle, cover the brake.
  • Press throttle to disengage at the bottom.
11

C Series Loading the AT

Position the Truck for Loading

  • Position truck at a right angle to the bench.
  • Align truck body center with excavator pivot point.
  • Place excavator on a bench above the truck.
  • Ensure bench height matches excavator stick height.
  • Aim for a loading swing of 45 degrees or less.
12

Use Loading Enhancements

  • Use a scissor tailgate for material containment.
  • Utilize liner plates for protection against abrasive materials and rock.
  • Monitor payload with the CAT production measurement system in the cab and via cab-mounted lights.
13

C Series Dumping the Material

Select a Suitable Dump Area

  • Choose a firm, level area for machine stability.
  • Minimize maneuvering to reduce cycle times and fuel consumption.
14

Tip the Material

  • Stop the machine in a straight position.
  • Use the recommended procedure for tipping.
  • Control material discharge manually with the eject lever if using an ejector.
  • Spread material according to ground speed.
  • Eject material safely where tippers cannot be used.
15

C Series Regeneration

Manage Regeneration System

  • Fill DEF tank from ground level as needed.
  • Follow safety procedures for DEF.
  • Automatic mode: regeneration occurs without input.
  • Manual mode: stop machine, select neutral, engage park brake, hold regen switch for 5 seconds.
16

C Series Safety & Maintenance

Ensure Safety During Maintenance

  • Use steering locks when wheels are lifted.
  • Use body lock pin under raised body.
  • Raise/lower hood with switch.
  • Use cab windows or break glass for exit.
  • Stop engine with key or switch.
  • Inflate tires as recommended.
  • Follow manual for maintenance.
17

Conclusion

End of Day Procedures

Correct operation of your CSeries articulated truck ensures a more comfortable, efficient, and profitable machine.