Regional Haul Model Operator's Manual - Peterbilt Motors Company
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Regional Haul Model Operator's Manual - Peterbilt Motors Company

Regional Haul Model Operator's Manual - Peterbilt Motors Company Regional Haul Model Operator's Manual - Peterbilt Motors Company

peterbilt.com
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20.05.2014 Views

REAR AXLE AND SUSPENSION It is important that U–bolts remain tight. Severe use of your vehicle can cause them to loosen faster. But all vehicles need to have their U–bolts checked and tightened regularly. Be sure someone with the proper training and the right tools checks and tightens the U–bolts on your Regional Haul vehicle. New springs “settle-in” after the vehicle's initial service, causing the U–bolts to become loose. After the first 500 miles (800 km) of operation, inspect the suspension periodically, as noted below: • Visually check for loose or missing fasteners, cracks in hanger or axle connection brackets. • Check that springs are centered in hangers and in good condition. • Check for cracks, wear marks, splits, or other defects on the surface of the spring. • Replace defective parts. Because repaired springs cannot be fully restored to their original service life, replace the complete assembly if cracks or other defects are detected. • After replacement of any part or discovery of loose components, check the torque of all fasteners. Rear Axle Lubrication PREVENTIVE MAINTENANCE Check oil level with the vehicle parked on level ground and the fluid warm. The level should be even with the bottom of the filler hole. CAUTION: Do not mix lubricants of different grades; although, mixing different brands of the same grade lubricant (meeting MIL–L– 2105–C), is acceptable. Lubricants of different grades are not compatible and could damage the axle. NOTE: In all cases, the lubricant supplier assumes full responsibility for the performance of their product, and for product and patent liability. Initial Change: Change lubricant in new or rebuilt axle assemblies within the first 3,000 to 5,000 miles (4800 to 8000 km). For recommended types and brands of lubricants, contact your Peterbilt Dealer or Authorized Service Center. See the Maintenance Manual and the axle manufacturer's Service Manual for further information on servicing drive axles. – 246 – Y53-6033 Regional Haul (R05/10)

PREVENTIVE MAINTENANCE REAR AXLE AND SUSPENSION Table 11 Drive Axle Lubrication MODEL RECOMMENDED LUBRICANTS AMBIENT TEMPERATURE RANGE ° C ° F VISCOSITY (SAE) EATON, ROCKWELL EP gear oil, MIL-L-2105D, API GL-5. -26 to +38 -15 to +100 80W-90 Synthetic Lubricant: Chevron RPM Synthetic Gear Lubricant, or equal, meeting MIL-L-2105D and Eaton PS-037 specification. -40 to +38 -40 to +100 75W-90 • No initial drain is required on Eaton axles that are factory filled with an Eaton-approved synthetic lubricant. • Petroleum-based lubricants must be drained within the first 5,000 miles (8000 km) if converting to an approved synthetic lubricant. See Table 1, “Recommended Maintenance Intervals,” Page 150 for standard rear axle service intervals. • Use petroleum-based lubricants meeting MIL–L– 2105–C/D grade specifications or approved synthetic lubrication. Do not use oil additives. To change axle lubricant: 1. Park the vehicle on level ground with the axle lubricant at normal operating temperature. 2. Remove filler (1) and drain plug (2). 3. Completely drain the oil and clean the drain plug. CAUTION: Do not overfill axles. 4.Reinstall the drain plug (2) and refill with recommended oil up to the bottom of filler plug hole. 5. Reinstall filler plug (1). Regional Haul (R05/10) Y53-6033 – 247 –

PREVENTIVE MAINTENANCE<br />

REAR AXLE AND SUSPENSION<br />

Table 11<br />

Drive Axle Lubrication<br />

MODEL<br />

RECOMMENDED LUBRICANTS<br />

AMBIENT TEMPERATURE RANGE<br />

° C ° F<br />

VISCOSITY (SAE)<br />

EATON,<br />

ROCKWELL<br />

EP gear oil, MIL-L-2105D, API GL-5. -26 to +38 -15 to +100 80W-90<br />

Synthetic Lubricant: Chevron RPM<br />

Synthetic Gear Lubricant, or equal, meeting<br />

MIL-L-2105D and Eaton PS-037 specification.<br />

-40 to +38 -40 to +100 75W-90<br />

• No initial drain is required on Eaton axles that are factory<br />

filled with an Eaton-approved synthetic lubricant.<br />

• Petroleum-based lubricants must be drained within<br />

the first 5,000 miles (8000 km) if converting to an<br />

approved synthetic lubricant.<br />

See Table 1, “Recommended Maintenance Intervals,”<br />

Page 150 for standard rear axle service intervals.<br />

• Use petroleum-based lubricants meeting MIL–L–<br />

2105–C/D grade specifications or approved synthetic<br />

lubrication. Do not use oil additives.<br />

To change axle lubricant:<br />

1. Park the vehicle on level ground with the axle lubricant<br />

at normal operating temperature.<br />

2. Remove filler (1) and drain plug (2).<br />

3. Completely drain the oil and clean the drain plug.<br />

CAUTION: Do not overfill axles.<br />

4.Reinstall the drain plug (2) and refill with recommended<br />

oil up to the bottom of filler plug hole.<br />

5. Reinstall filler plug (1).<br />

<strong>Regional</strong> <strong>Haul</strong> (R05/10) Y53-6033 – 247 –

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