Driving & Safety
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2 0 0 2 N E P T U N E
2 • 63
NOTE: The most accurate method to determine proper tire
pressure is a four corner weigh. A slide-out motorhome will
require each tire to be weighed independently. Weighing an
axle will net the total weight carried by that axle. When cal-
culating the drive axle dual tire pressure using a independ-
ent corner weigh method, divide the total weight by two to
determine the weight carried by each tire. When weighing
the entire drive axle, divide the total weight by four to deter-
mine the approximate weight carried by each tire.
Example:
The motorhome must be weighed fully loaded to obtain accurate scale read-
ings and to determine the proper tire pressure.
• Take the rear axle Gross Axle Weight Rating (GAWR) and divide
it by two. Record the figure next to scale B, GAWR ÷ 2. Example:
If rear axle GAWR is 13,000 lbs. GAWR ÷ 2 would be 6,500 lbs.
• Weigh the driver’s side rear corner (scale B) and record the scale
reading next to Gross Axle Weight (GAW) for scale B. Example:
Scale B reading is 5,100 lbs.
• Repeat procedure for the rest of the scale readings.
• Add the GAWR from scales B and D and enter the sum next to the
final GAWR. Example 13,000.
• Add the GAW from scales B and D and enter this sum next to the
final GCAW. Example: 10,000.
• Compare scale readings GCAW against GAWR readings. All figures
on line 2 are not to exceed figures on line 1.
• Use tire chart with scale reading to determine correct tire pressure.
NOTE: Scale readings and Gross Axle Weight Ratings
are fictitious. Actual scale readings and Gross Axle Weight
Ratings will vary with model and options.
Summary of Contents for 2002 NEPTUNE
Page 12: ......
Page 28: ...General Information 2 0 0 2 N E P T U N E 1 28 NOTES...
Page 32: ......
Page 73: ...Driving Safety 2 0 0 2 N E P T U N E 2 73 Rear View VIEWS Front View OM010726 OM010725...
Page 74: ...Driving Safety 2 0 0 2 N E P T U N E 2 74 Curbside View Roadside View OM010724 OM010723...
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Page 202: ...Water Systems 2 0 0 2 N E P T U N E 6 202 NOTES...
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Page 218: ...LP Gas System 2 0 0 2 N E P T U N E 7 218 NOTES...
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Page 279: ...Electrical Systems Chassis 2 0 0 2 N E P T U N E 9 279 NOTES...
Page 280: ...Electrical Systems Chassis 2 0 0 2 N E P T U N E 9 280 NOTES...
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Page 331: ...Chassis Information 2 0 0 2 N E P T U N E 10 331 MAINTENANCE RECORD...
Page 332: ...Chassis Information 2 0 0 2 N E P T U N E 10 332 MAINTENANCE RECORD...
Page 333: ...Chassis Information 2 0 0 2 N E P T U N E 10 333 MAINTENANCE RECORD...
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Page 337: ...INDEX...
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