Unverferth 8250 - Wheel and Tires; Wheel Nut Torque Requirements

Unverferth 7250/8250/9250 — Maintenance
4-21(June 2015)
DIAGRAM 1
10 BOLT
Wheels and Tires
WHEEL HARDWARE
SIZE FOOT-POUNDS
3/4-16 (UNF) 365 ft.-lbs.
7/8-14 (UNF) 440 ft.-lbs.
M22x1.5 475 ft.-lbs.
Wheel Nut Torque Requirements
• IMPROPERLY TORQUED WHEEL NUTS/BOLTS CAN CAUSE A LOSS OF IMPLEMENT
CONTROL AND MACHINE DAMAGE. TORQUE WHEEL NUTS/BOLTS TO VALUES IN
TABLE. CHECK TORQUE BEFORE USE, AFTER ONE HOUR OF UNLOADED USE OR
AFTER FIRST LOAD, AND EACH LOAD UNTIL WHEEL NUTS/BOLTS MAINTAIN TORQUE
VALUE. CHECK TORQUE EVERY 10 HOURS OF USE THERE-AFTER. AFTER EACH
WHEEL REMOVAL START TORQUE PROCESS FROM BEGINNING. WARRANTY DOES
NOT COVER FAILURES CAUSED BY IMPROPERLY TORQUED WHEEL NUTS/BOLTS.
Failuretochecktorquebeforerstloadmaydam-
age wheel nut/bolt seats.  Once seats are dam-
aged, it will become impossible to keep nuts/bolts
tight. Tighten nuts/bolts to applicable torque value
shown in table. Start all nuts/bolts by hand to pre-
vent cross threading. Torque nuts/bolts in the rec-
ommendedsequenceasshowninDiagram1.