Peterbilt Model 320 Operator's Manual after 8-07 - Peterbilt Motors ...
Peterbilt Model 320 Operator's Manual after 8-07 - Peterbilt Motors ... Peterbilt Model 320 Operator's Manual after 8-07 - Peterbilt Motors ...
Trailer Brake Hand Valve PART 4: CONTROLS AND DISPLAYS Trailer Brake Hand Valve 02884 High Beam Headlight Switch Button 02885 Trailer Brake Hand Valve If your vehicle is a tractor, it will be equipped with a trailer brake hand valve. This hand valve provides air pressure to apply the trailer brakes only. It operates independently of the foot treadle valve. To operate the trailer brake hand valve: Pull down on the lever on the right side of the steering column, below the steering wheel. – 22 – Y53-6015 R(08/07)
PART 4: CONTROLS AND DISPLAYS Electric Horn WARNING! It is dangerous to use air-applied trailer brakes for parking or holding a vehicle. Air system pressure can bleed down and release the brakes. You could have a vehicle rollaway resulting in an accident. You or others could be badly injured. Always apply the parking brakes for parking or holding your vehicle on grade. NOTE: The trailer brake is not to be used as the main means of braking. To use this brake frequently instead of using the foot brake will wear out the trailer brake sooner. See "Parking Brakes and Their Use" for more complete information on when and how to use your trailer brake. Or see the Index, under Brake. Electric Horn Air Horn 02886 Electric Horn Button Your Peterbilt has an air horn in addition to an electric horn. Control the air horn by pulling on the lanyard extending from the overhead header panel. Your vehicle has an electric horn. To sound the horn, press on the button in the center of the steering wheel. At a righthand stand-up drive station, the horn button is located on the dash panel to the right of the steering wheel. R(08/07) Y53-6015 – 23 –
- Page 3: Quick Table of Contents PART 1: INT
- Page 6 and 7: Additional Sources of Information S
- Page 8 and 9: Vehicle Safety NOTE: Gives you info
- Page 10 and 11: PART 2: CAB AND FRAME ACCESS Be car
- Page 12 and 13: Climbing Onto the Deck Plate WARNIN
- Page 14 and 15: Cab Tilting PART 3: GETTING TO YOUR
- Page 16 and 17: Raising the Cab PART 3: GETTING TO
- Page 18 and 19: Lowering the Cab PART 3: GETTING TO
- Page 20 and 21: Your Instrument Panel PART 4: CONTR
- Page 22 and 23: Warning Alarms PART 4: CONTROLS AND
- Page 24 and 25: Turn Signal and Indicator Lights PA
- Page 28 and 29: Ignition Switch Dash-Mounted Featur
- Page 30 and 31: Panel Light Knob Headlights PART 4:
- Page 32 and 33: Windshield Wipers and Washers PART
- Page 34 and 35: Air Suspension Deflate Switch (Dump
- Page 36 and 37: Engine Brake Cruise Control Switch
- Page 38 and 39: Fifth Wheel Lock (Slider Adjustment
- Page 40 and 41: Heating And Air Conditioning Contro
- Page 42 and 43: Heating And Air Conditioning Contro
- Page 44 and 45: Heating And Air Conditioning Contro
- Page 46 and 47: Gauges And Displays Cigarette Light
- Page 48 and 49: Speedometer-Message Center (SMC)
- Page 50 and 51: Air Application Gauge Tachometer Ai
- Page 52 and 53: Engine Oil Pressure Gauge WARNING!
- Page 54 and 55: Water Temperature Gauge cept for ce
- Page 56 and 57: Front Drive Axle or Rear Drive Axle
- Page 58 and 59: Air Filter Restriction Indicator Ga
- Page 60 and 61: Mirrors Mirrors WARNING! Optional c
- Page 62 and 63: Lap/Shoulder Belt PART 5: SEAT AND
- Page 64 and 65: Proper Safety Belt Adjustment PART
- Page 66 and 67: Pregnant Women PART 5: SEAT AND RES
- Page 68 and 69: Tether Belts PART 5: SEAT AND RESTR
- Page 70 and 71: Inspection of the Restraint System
- Page 72 and 73: Inspection of the Restraint System
- Page 74 and 75: Checking Under the Hood or Cab PART
Trailer Brake Hand Valve<br />
PART 4: CONTROLS AND DISPLAYS<br />
Trailer Brake Hand Valve<br />
02884<br />
High Beam Headlight Switch Button<br />
02885<br />
Trailer Brake Hand Valve<br />
If your vehicle is a tractor, it will be equipped with a trailer<br />
brake hand valve. This hand valve provides air pressure to<br />
apply the trailer brakes only. It operates independently of<br />
the foot treadle valve.<br />
To operate the trailer brake hand valve: Pull down on<br />
the lever on the right side of the steering column, below<br />
the steering wheel.<br />
– 22 – Y53-6015 R(08/<strong>07</strong>)
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