36
Valley Classic Control Panel
Appendix
Tire Pressure
Proper tire pressure is important! Operating with low
tire pressure will damage the tires and drive train.
Check tire pressure at least three times a year; at
spring start-up, during the irrigation season, and
when performing fall winterization. Valmont recom-
mends you check tire pressures monthly during the
irrigation season. Refer to the decal on the rim for
the proper tire pressure. See Figure 36-1 for recom-
mended tire pressures.
Replacing Tires
When replacing tires on your system, be sure the ply
rating of the new tire is equal to or higher than the
ply rating of the old tire. The 11.2-24 four ply Titan
tires are specially constructed with a 6-ply bead, and
must be replaced with the same Valmont part num-
ber (0991257) or with a 6-ply tire.
!
• TIRES ARE SHIPPED AT A PRESSURE OF
30-35 PSI. BE SURE THE TIRES HAVE BEEN
DEFLATED TO THE CORRECT PRESSURE
(SHOWN ON THE DECAL) BEFORE THE TIRE
IS USED.
Appendix
TIRE PRESSURE TABLE
Span Drive Units
Tire Size Pounds per
Square Inch
Kilo pascal Bar
(Inches) (PSI) (kPa) (bar)
11 X 22.5 Tire 34 234 2.3
11.2 X 24 Tire 34 234 2.3
14.9 X 24 Float Tire 18 124 1.2
14.9 X 24 Turf Tire 18 124 1.2
16.9 X 24 Turf Tire 18* 124 1.2
18.4 X 26 Tire 16 110 1.1
11.2 X 38 Tire 23 158 1.5
11L X 15
Implement Tire
(4 Wheel E-Z Tow Only)
28 206 2.1
Figure 36-1 * Tire pressure may be reduced to 16 PSI (110
kPa) for increased flotation.
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