OPERATOR'S MANUAL
Table Of Contents
- How to Use This Manual
- Safety Signals
- Vehicle Safety
- How to Find What You Want
- A Special Word About Repairs
- Shop Manuals
- Preventive Maintenance Section
- Additional Sources of Information
- Start–Up
- Instruments and Controls
- Introduction
- Warning Lights and Buzzer
- Self Test
- Speedometer and Odometer
- Tachometer
- Coolant (Water) Temperature Gauge
- Engine Oil Pressure Gauge
- Dual Air Pressure Gauge (Air Reservoir)
- Fuel Gauge
- Voltmeter (option)
- Transmission Temperature Gauge (option)
- Air Filter Restriction Indicator (option)
- Headlight Switch
- Daytime Running Lights (option)
- Panel Lights
- ID and Clearance Lights
- Windshield Wipers/Washer
- Ignition Key Switch
- Parking Brake
- Cruise Control Switch
- Hand Throttle Control
- Heating and Air Conditioning
- Accessories
- Seats
- Steering Column and Mirrors
- Operating the Engine
- Operating the Transmission
- Using the Brake System
- Operating the Rear/Drive Axle
- More Driving Tips and Techniques
- Vehicle Recovery and Spring Brakes
- Shut–Down
- Introduction
- Maintenance Schedule and Lubrication
- Engine Maintenance
- Cooling System
- Brake System
- Air System
- Tires and Wheels
- Heater and Air Conditioner
- Electrical System
- Cab Maintenance
- Transmission and Clutch
- Steering and Driveline
- Front Axle and Suspension
- Rear Axle and Suspension
- Frame and Fifth Wheel
- Noise and Emission Control
- Consumer Information and Vehicle Identification
Operating the Engine Operating Instructions
– 62 –
PB1318 3/01 Model 330
Cruise Control (Option)
This feature improves fuel mileage and reduces driver
fatigue by maintaining a constant vehicle speed. The
cruise control will only operate above a programmed min-
imum vehicle speed, 15 mph for the CAT 3126B engine,
30 mph for the Cummins ISC engine.
Engaging the Cruise Control
NOTE: Ensure that the vehicle speed is above the
minimum cruise control speed and the engine
speed is above 1100 rpm.
1. Move the ON/OFF switch to the ON position.
NOTE: Toggling the SET/RESUME switch to the
RESUME position at this point will select the previ-
ously set cruise speed.
2.Accelerate the vehicle to the desired cruise
speed.
3. Toggle the SET/RESUME switch lever to the SET posi-
tion to set the cruise speed.
•To decrease the cruise set speed, hold the SET/
RESUME switch in the SET position and coast to a lower
speed.
•To increase the cruise set speed, hold the SET/
RESUME switch in the RESUME position; this will accel-
erate the vehicle to a higher speed.
Disengaging the Cruise Control
Do one of these steps to disengage the cruise control:
• Move the ON/OFF switch to the OFF position.
or
• Depress the brake pedal.
or
• Depress the clutch pedal.
02901










