Driving & Safety ---
Section 2
Cayman 2005
79
Load and Inflation Tables:
The Load and Inflation Table will help determine correct inflation for the motorhome tires after
properly weighing the motorhome. All pressures are rated at a cold PSI. Cold conditions are defined as
early in the morning before the day's ambient temperature, sun's radiant heat or the heat generated
while driving have caused the tire pressure to temporarily increase. This means that the pressure should
be checked early and when the motorhome has not been driven more than one mile. The check interval
should be in the morning, before the "drive" trip and every morning on extended trips. A quality truck
tire gauge with a multiple angle airhead is needed to ensure access to both dual wheel positions of the
drive axle. Ensure the valve cap is replaced on the stem after the inflation is checked. This guarantees
the valve core will remain free of dirt and foreign material. Material lodged between the valve core and
internal stem can cause slow leaks resulting in tire failure.
Cargo Carrying Capacity:
When weighing the motorhome it is important to understand that each motorhome, even of the
same model year, floorplan and length will weigh different due to options and accessories.
The
Gross Vehicle Weight Rating (GVWR), Gross Combination Weight Rating (GCWR) and/or
Gross Axle Weight Rating (GAWR) must not be exceeded.
GVWR
of the vehicle limits the weight of the entire load combination, regardless of the water,
LP-Gas, passengers and cargo weight.
It is important to understand that the weighing process is performed in two phases. First, by deter-
mining the
Cargo Carrying Capacity (CCC)
; and second, to ensure the
GVWR
is not exceeded when
adjusting tire pressures. The weighing process should start by recording the
GVWR
from the Federal
Weight Label, then weighing the motorhome unloaded, without passengers and with a full fuel tank.
Engine and transmission fluid levels must be full. This is known as the
Unloaded Vehicle Weight
(UVW)
. Once this weight has been recorded it can be subtracted from the
GVWR
.
Next, begin to calculate the
Cargo Carrying Capacity (CCC)
.
Fresh water weight and LP-Gas weight can now be subtracted from the remaining total line A.
• Water weight is the number of gallons multiplied by 8.3.
• LP-Gas weight is the number of gallons multiplied by 4.2.
A 10-gallon water heater with a 40-gallon fresh tank would total 50 gallons times 8.3, or 415
pounds.
A 30-gallon LP-Gas tank will have 24 gallons of LP-Gas due to the 80% valve. This would mean
24 gallons multiplied by 4.2, or 100.8 pounds.
GVWR
35,000
- UVW
20,000
= A
15,000
A
15,000
- 415
= B
14,585
B
14,585
- 100.8
= C
14,484.2
Содержание Cayman 2005
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Страница 76: ...Section 2 Driving Safety Cayman 2005 76 100179D Weight Label...
Страница 81: ...Driving Safety Section 2 Cayman 2005 81 020254 Cargo Carrying Capacity Flowchart...
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Страница 84: ...Section 2 Driving Safety Cayman 2005 84 Weight Record Sheet...
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Страница 86: ...Section 2 Driving Safety Cayman 2005 86 010725 010726c VIEWS Front Rear...
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Страница 108: ...Section 3 Exterior Interior Care Cayman 2005 108 Fabric Specifications Charts...
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Страница 165: ...Appliances Section 4 Cayman 2005 165 NOTES...
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Страница 203: ...Equipment Section 5 Cayman 2005 203 NOTES...
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Страница 229: ...Water Systems Section 6 Cayman 2005 229 WATER SYSTEM DIAGRAM 040487c Typical Layout...
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Страница 250: ...Section 7 LP Gas Systems Cayman 2005 250 NOTES...
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Страница 285: ...Electrical Systems House Section 8 Cayman 2005 285 ELECTRICAL LAYOUT TYPICAL 060191H Inverter Converter Optional...
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Страница 292: ...Section 9 Electrical Systems Chassis Cayman 2005 292 080427f 080387C 080388c...
Страница 315: ...Electrical Systems Chassis Section 9 Cayman 2005 315 ENGINE NO START FLOW CHART...
Страница 316: ...Section 9 Electrical Systems Chassis Cayman 2005 316 NOTES...
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Страница 376: ...Section 10 Chassis Information Cayman 2005 376 LUBRICATION CHARTS 070166G FRONT...
Страница 382: ...Section 10 Chassis Information Cayman 2005 382 METRIC U S CONVERSION CHART...
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Страница 389: ...Cayman 2005 INdex...
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