

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.