

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
Step 1 of 17Introduction
- 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
Step 2 of 17C 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
Step 3 of 17Prepare for Operation
- Isolate the machine.
- Enter the cab using three points of contact.
- Climb the steps onto the guarded walkway.
4
Step 4 of 17C 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
Step 5 of 17Set 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
Step 6 of 17Use the CMPD
- Access information and up to three additional cameras.
- View data from the optional CAT production measurement system.
7
Step 7 of 17C 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
Step 8 of 17Start 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
Step 9 of 17C 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
Step 10 of 17C 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
Step 11 of 17C 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
Step 12 of 17Use 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.
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Step 13 of 17C 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.
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Step 14 of 17Tip 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
Step 15 of 17C 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.
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Step 16 of 17C 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
Step 17 of 17Conclusion
End of Day Procedures
Correct operation of your CSeries articulated truck ensures a more comfortable, efficient, and profitable machine.