Tightening Front Wheel Bolts—MFWD

CAUTION:

RW26463-UN-14AUG99

RW26464-UN-25AUG99

A - Wheel-to-Rim Tight Fit Hole

B - Wheel-to-Rim Slot Fit Hole

C - Disk-to-Hub Tight Fit Hole

D - Disk-to-Hub Slot Fit Hole

NOTE: Both inner and outer bolt patterns of disk have one tight fit hole and one slot fit hole 180° from each other, for improved wheel centering.

IMPORTANT: Front duals are not approved or recommended for use with standard MFWD and/or TLS™ Plus tractors.

Wheel Disk-to-Rim

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

   Item	Measurement	Specification
   Wheel Disk-to-Rim Bolts 8 Position Wheel (M16 Hardware)	Torque	300 N·m (225 lb-ft)

   Item	Measurement	Specification
   Wheel Disk-to-Rim Bolts 16 Position Wheel (M22 Hardware)	Torque	600 N·m (445 lb-ft)

   NOTE: See Determining Rim Type in this section if unsure of hardware size.
   

IMPORTANT: Carefully follow procedure for tightening wheel bolts. Failure to do so could lead to wheel hub damage.

Wheel Disk-to-Hub (Eight-Position and Two-Position Wheels)

1. Install cap screw in tight fit hole (C) and hand tighten cap screw.
2. Install cap screw in slot fit hole (D) and hand tighten cap screw.
3. Install and hand tighten remaining wheel disk-to-hub cap screws.
4. Tighten all cap screws to specifications.

   Item	Measurement	Specification
   Wheel Disk-to-Hub Bolts	Torque	600 N·m (445 lb-ft)

5. Drive tractor 100 m (100 yd) and retighten bolts.
6. Retighten bolts after working 3 HOURS, 10 HOURS, and DAILY for the first week of operation and then every 250 hours.

IMPORTANT: Carefully follow procedure for tightening wheel bolts. Failure to do so could lead to wheel hub damage.