Tightening Wheel Bolts with Front-Wheel Drive

RW26463-UN-14AUG99

RW26464-UN-25AUG99

A - Disk-to-rim, tight-fit hole

B - Disk-to-rim, slot-fit hole

C - Disk-to-hub, tight-fit hole

D - Disk-to-hub, slot-fit hole

CAUTION: Avoid personal injury. Never operate tractor with loose wheel bolts or axle components. Wheel bolts are critical and require retightening.

NOTE: Both inner and outer bolt patterns of disk have one tight fit hole and one slot fit hole directly opposite each other.

Tight-fit and slot-fit holes are not found on 24 in. and 26 in. 10-bolt rims or on 26 in. 8-bolt rims.

Wheel disk to rim:

Install bolt in tight fit hole (A) and hand tighten bolt. Install bolt in slot fit (B) and hand tighten bolt. Install and hand tighten remaining wheel disk-to-rim bolts. Tighten all bolts:

Item	Measurement	Specification
Wheel disk to rim	Torque	310 N•m (230 lb-ft)
Wheel disk to rim — Hi-Crop axle	Torque	600 N•m (445 lb-ft)

Drive tractor 100 meters (100 yd) and retighten bolts. Retighten bolts after operating 3 HOURS and 10 HOURS.

Wheel disk to hub:

Install bolt in tight fit hole (C) and hand tighten bolt. Install bolt in slot fit hole (D) and hand tighten bolt. Install and hand tighten remaining wheel disk-to-hub cap screws. Tighten all bolts:

Item	Measurement	Specification
Wheel disk to hub — Hi-Crop axle	Torque	600 N•m (445 lb-ft)
Wheel disk to hub — 7130, 7230, 7330, 7430, 7530	Torque	480 N•m (355 lb-ft)

Drive tractor 100 meters (100 yd) and retighten bolts. Retighten bolts after operating 3 HOURS and 10 HOURS.