Peterbilt Model 320 Operator's Manual after 8-07 - Peterbilt Motors ...

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Setting Ride Height PART 7: STARTING & OPERATING THE VEHICLE 02941A Typical Height Control Valve (Top View) 02941B Typical Height Control Valve (Rear View Looking Forward) • At least one of the mounting holes in the height control valve bracket will be slotted to permit rotating the valve. • On dual-valve systems, begin with the LH valve on the next step. 2. Loosen the fasteners mounting a height control valve to its bracket. – 102 – Y53-6015 R(08/<strong>07</strong>)
PART 7: STARTING & OPERATING THE VEHICLE Driving With Deflated Air Springs WARNING! • The rear of a vehicle will drop about 3 1/2 inches (88 mm) when the air springs are deflated. Ensure that no persons or objects that could be injured or damaged are under the vehicle before deflating the air springs. • To minimize risk of damage or injury, do not use a dump valve to deflate the air springs. Rotate the height control valve(s) manually to ensure positive control of air spring deflation. • To minimize risk of injury, keep away from air springs as they are being inflated. 3. Rotate the valve either clockwise or counterclockwise until air pressure in the air springs provides the ride height specified for that suspension. Measure the ride height from the bottom of the frame rail to the approximate centerline of the rearmost drive axle hub: • For tandem axles, make the vertical measurement at the centerline of the suspension (see illustration in "Setting Ride Height"). • For a single axle, make the measurement in front of the axle, in the area forward of the tires but not past the suspension bracket. 4. When at the correct ride height, ensure that the height control valve lever is in the neutral position, then install either the built-in alignment pin or a 1/8-inch (3 mm) dowel (see "Setting Ride Height"). 5. Torque the mounting fasteners to 55 — 75 Lb. in. (6.2 —8.5N.m.). 6. Remove the alignment pin or dowel. 7. Repeat Steps 2 through 6 above for the RH valve on vehicles with a dual-valve system. Driving With Deflated Air Springs If an air spring is ruptured, there will be enough air pressuretodrivethevehicletoasafestopoffthehighwayto investigate the problem. R(08/<strong>07</strong>) Y53-6015 – 103 –
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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:
Page 44 and 45:
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
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
Page 100 and 101: Manually Releasing Spring Brakes PA
Page 102 and 103: Before Stopping The Engine PART 7:
Page 104 and 105: Setting Ride Height PART 7: STARTIN
Page 108 and 109: Driving Tips And Techniques WARNING
Page 110 and 111: Dual Steer Vehicle Operation NOTE:
Page 112 and 113: Dual Steer Vehicle Operation PART 7
Page 114 and 115: Preventive Maintenance Schedule PAR
Page 140 and 141: Master Lubrication Index WARNING! E
Page 142 and 143: Fuller Transmission Lubrication PAR
Page 144 and 145: Spicer Transmission Lubrication Rec
Page 146 and 147: Meritor Axle Lubrication PART 8: MA
Page 148 and 149: Wheel Bearing Lubrication PART 8: M
Page 150 and 151: Brake Adjustment PART 8: MAINTENANC
Page 152 and 153: Brake Adjustment PART 8: MAINTENANC
Page 154 and 155: Tires Checking Inflation Pressure G
Page 156 and 157:
Tires PART 8: MAINTENANCE AND SERVI
Page 158 and 159:
Page 160 and 161:
Page 162 and 163:
Wheels And Rims Wheels And Rims PAR
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Wheels And Rims PART 8: MAINTENANCE
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Vehicle Loading PART 8: MAINTENANCE
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Air Dryer then goes to the reservoi
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Engine Cooling System Engine Coolin
Page 172 and 173:
Engine Cooling System ELC Extender
Page 174 and 175:
Battery Care Electrical CAUTION: Do
Page 176 and 177:
Battery Care • Keep the battery c
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Battery Care damage to the vehicle,
Page 180 and 181:
Fuel Filters WARNING! A mixture of
Page 182 and 183:
Frame Fastener Torque Specification
Page 184 and 185:
Accessory Drive Belts • Always to
Page 186 and 187:
Anti-lock Braking System (ABS) Serv
Page 188 and 189:
Heater controller for that axle to
Page 190 and 191:
Painted Surfaces Special Precaution
Page 192 and 193:
Interior General Cleaning Guideline
Page 194 and 195:
Tampering with Noise Control System
Page 196 and 197:
Inspection & Maintenance Instructio
Page 198 and 199:
Air Intake System Shields and Skirt
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PART 9: VEHICLE IDENTIFICATION NUMB
Page 202 and 203:
Component Identification Federal Sa
Page 204 and 205:
California Vehicle Code, Section 99
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PART 11: SUBJECT INDEX PART 11: SUB
Page 208 and 209:
PART 11: SUBJECT INDEX Transmission
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PART 11: SUBJECT INDEX Windshield W
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Peterbilt Motors Company P.O. Box 9
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Peterbilt Model 320 Operator's Manual after 8-07 - Peterbilt Motors ...

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