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
Summary of Contents for Cayman 2005
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Page 76: ...Section 2 Driving Safety Cayman 2005 76 100179D Weight Label...
Page 81: ...Driving Safety Section 2 Cayman 2005 81 020254 Cargo Carrying Capacity Flowchart...
Page 83: ...Driving Safety Section 2 Cayman 2005 83 020255k Actual Worksheet...
Page 84: ...Section 2 Driving Safety Cayman 2005 84 Weight Record Sheet...
Page 85: ...Driving Safety Section 2 Cayman 2005 85...
Page 86: ...Section 2 Driving Safety Cayman 2005 86 010725 010726c VIEWS Front Rear...
Page 87: ...Driving Safety Section 2 Cayman 2005 87 010723f 010724e Roadside Curbside...
Page 95: ...Driving Safety Section 2 Cayman 2005 95 NOTES...
Page 96: ...Section 2 Driving Safety Cayman 2005 96 NOTES...
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Page 108: ...Section 3 Exterior Interior Care Cayman 2005 108 Fabric Specifications Charts...
Page 109: ...Exterior Interior Care Section 3 Cayman 2005 109...
Page 134: ...Section 3 Exterior Interior Care Cayman 2005 134 NOTES...
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Page 165: ...Appliances Section 4 Cayman 2005 165 NOTES...
Page 166: ...Section 4 Appliances Cayman 2005 166 NOTES...
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Page 203: ...Equipment Section 5 Cayman 2005 203 NOTES...
Page 204: ...Section 5 Equipment Cayman 2005 204 NOTES...
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Page 229: ...Water Systems Section 6 Cayman 2005 229 WATER SYSTEM DIAGRAM 040487c Typical Layout...
Page 230: ...Section 6 Water Systems Cayman 2005 230 NOTES...
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Page 250: ...Section 7 LP Gas Systems Cayman 2005 250 NOTES...
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Page 286: ...Section 8 Electrical Systems House Cayman 2005 286 NOTES...
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Page 292: ...Section 9 Electrical Systems Chassis Cayman 2005 292 080427f 080387C 080388c...
Page 315: ...Electrical Systems Chassis Section 9 Cayman 2005 315 ENGINE NO START FLOW CHART...
Page 316: ...Section 9 Electrical Systems Chassis Cayman 2005 316 NOTES...
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Page 376: ...Section 10 Chassis Information Cayman 2005 376 LUBRICATION CHARTS 070166G FRONT...
Page 382: ...Section 10 Chassis Information Cayman 2005 382 METRIC U S CONVERSION CHART...
Page 384: ...Section 10 Chassis Information Cayman 2005 384...
Page 385: ...Chassis Information Section 10 Cayman 2005 385...
Page 386: ...Section 10 Chassis Information Cayman 2005 386...
Page 387: ...Chassis Information Section 10 Cayman 2005 387...
Page 389: ...Cayman 2005 INdex...
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