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 ...
Air Application Gauge Tachometer Air Application Gauge PART 4: CONTROLS AND DISPLAYS 11244B 11458 Your tachometer measures the engine speed in revolutions- per-minute (RPM). Watching your tachometer is important to driving efficiently. It will let you match driving speed and gear selection to the operating range of your engine. If your engine speed gets too high, you can select a higher gear to lower the RPM. If your engine speed drops too low, you can select a lower gear to raise the RPM. This gauge will show you how much air pressure is being applied from your foot brake valve or trailer brake hand valve. – 46 – Y53-6015 R(08/07)
PART 4: CONTROLS AND DISPLAYS Primary And Secondary Air Pressure Gauges (Air Reservoir) Primary And Secondary Air Pressure Gauges (Air Reservoir) The secondary gauge indicates pressure in the rear reservoir: These air pressure gauges indicate the amount of air pressure in the brake system in pounds per square inch (psi). The primary gauge shows the front reservoir air pressure: 11464 11465 R(08/07) Y53-6015 – 47 –
- 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 26 and 27: Trailer Brake Hand Valve PART 4: CO
- 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 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
- Page 76 and 77: After Engine Warmup 17.Check spring
- Page 78 and 79: Engine Warmup If the engine still w
- Page 80 and 81: Transmission Warmup CAUTION: The us
- Page 82 and 83: Shifting Gears in a New Vehicle CAU
- Page 84 and 85: Operating the Clutch service depart
- Page 86 and 87: Dual Range (Two Speed) Axles WARNIN
- Page 88 and 89: Automatic and Automated Transmissio
- Page 90 and 91: If Your Vehicle Must Be Towed PART
- Page 92 and 93: Anti-Lock Braking System Operating
- Page 94 and 95: ABS Warning Lamps PART 7: STARTING
- Page 96 and 97: Overheated Brakes PART 7: STARTING
- Page 98 and 99: Parking Brakes and Their Use PART 7
Air Application Gauge<br />
Tachometer<br />
Air Application Gauge<br />
PART 4: CONTROLS AND DISPLAYS<br />
11244B<br />
11458<br />
Your tachometer measures the engine speed in revolutions-<br />
per-minute (RPM). Watching your tachometer is important<br />
to driving efficiently. It will let you match driving<br />
speed and gear selection to the operating range of your<br />
engine. If your engine speed gets too high, you can select<br />
a higher gear to lower the RPM. If your engine speed drops<br />
too low, you can select a lower gear to raise the RPM.<br />
This gauge will show you how much air pressure is being<br />
applied from your foot brake valve or trailer brake hand<br />
valve.<br />
– 46 – Y53-6015 R(08/<strong>07</strong>)
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