Rear Drive Wheel with Standard Hubs— Adjusting and Tightening

RXA0059686-UN-11MAR02

A - Lower Hub Center Bolt

B - Outer Hub Sleeve Bolts

C - Inner Jack Screws

D - Adjusting Screw

CAUTION: Avoid personal injury. NEVER run the engine with transmission in gear and rear wheels off the ground. MFWD wheels could pull rear wheels off support. MFWD must be disengaged and transmission in NEUTRAL to rotate axle.

1. Raise tractor on level ground and turn wheels so rack on axle is on top.

2. Loosen lower hub center bolt (A) against retaining nut and loosen outer hub sleeve bolts (B).

   NOTE: Strike end of axle with a heavy hammer and use penetrating oil if sleeves are difficult to break loose.

3. Tighten inner jack screws (C) on upper and lower hub sleeves as necessary to loosen sleeves.

4. NOTE: Observe tread width limitations when adjusting rear wheels.

   Turn adjusting screw (D) to slide wheel to desired position.

5. Loosen the jack screws (C) all the way against stop.

   CAUTION: Avoid the possibility of personal injury. Failure to follow torquing sequence and procedure will result in damage to equipment and may result in personal injury. Wheel bolts are critical and require repeated torquing.

   IMPORTANT: Keep face of hub sleeves even to prevent hub breakage or bolt loosening.

6. Beginning with center bolt in lower sleeve (B) and using a star shaped pattern, torque sleeve bolts to initial torque and then intermediate torque.

   Item	Measurement	Specification
   Initial Sleeve Bolts	Torque	204 N˙m (150 lb-ft)
   Intermediate Sleeve Bolts	Torque	410 N˙m (300 lb-ft)

7. IMPORTANT: Some sleeve bolts may loosen as sleeve is tightened. Repeat star shaped torquing pattern until ALL sleeve bolts maintain the proper torque. Failure to follow procedure could result in damage to equipment and may result in personal injury.

   Drive tractor a minimum of 100 meters (110 yd) and using previously described method torque bolts.

   Item	Measurement	Specification
   Final Sleeve Bolts	Torque	600 N˙m (445 lb-ft)

8. Torque bolts after working 3 HOURS, 10 HOURS, and DAILY during the first week of operation.