SECTION 2 - MECHANICAL SERVICE
page 2-26
WHEEL BOLT TORQUE
LOCATION TIRE SIZE TIRE PRESSURE WHEEL BOLT
TORQUE
CENTER SECTION 31 x 13.5 x 15 14PR 621 kPa
(90 psi )
115 to 128 N-m
(85 to 95 lbf- ft)
WING 31 x 13.5 x 15 10PR
414 kPa
(60 psi)
115 to 128 N-m
( 85 to 95 lbf- ft)
*Manufacturers recommended torque values
MAINTENANCE
Refer to Section 1 for safety information regarding tire service.
Maintain recommended pressures; do not exceed.
Do not allow build-up of mud between tires and support structures. Dried mud can destroy tire tread/sidewalls very quickly.
Maintain bolt torque specified to prevent fatigue failure of the rim at the hub interface.
TIRE HUB AND SPINDLE SPECIFICATIONS
TIRE
VALVE RIM
HUBS SPINDLE
MAX.
LOADDescription
Load
Range
Operating
Pressure
Mfr. #
#
Bolts
B.C.
Diamete
Pilot
Diameter
Offset Material Diameter
31x13.5x15 10PR
414 kPa
TR415 15x8LBH
H81
1
8
*20.3
cm
*15.2 cm
*-3.5
cm
SP
*5.1 cm 2155 kg
60 psi
8" 6" -1.5" 2" 4750 lb
31x13.5x15 14PR
620 kPa
TR415 15X10LBH
H81
2
8
*20.3
cm
*15.2 cm
*-3.5
cm
C1045
*6.4 cm 2722 kg
90 psi
8" 6" -1.5" 2.5" 6000 lb
*approximate metric equivalent.
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