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8.42 Steering and Suspensions NOTE: By design, the BIASED COUPLE design of RAIL SLIDERS Wear Limit Replace sliders when wear exceeds notch. If sliders look Removal 1. Remove the rear suspension. NOTE: Some models may allow the rail sliders to be 2. Remove front rail slider retaining bolt, located at the rail tip. 3. Use a block of wood or a drift punch and hammer to drive 4. With the rail slider at room temperature, install a new rail NOTE: Lightly coat rail slider track clip area with a Break-In After installing new rail sliders they must be “broke in” for REAR SUSPENSION REMOVAL AND Removal 1. Support the rear of the machine so that the track is off the 2. Loosen the rear idler bolts, then push the rear idler shaft 3. Carefully release the torsion spring pressure (if equipped). 4. Remove the support from the tunnel letting the suspension 5. Remove the fasteners securing the skid to the tunnel. 6. Place a protective mat on the floor and tip the unit over on 7. Collapse the torque arms, and remove the suspension from Installation 1. With the unit on its left side, place the suspension in the 2. Align the front and rear torque arms with the tunnel NOTE: On IQ 121 and Switchback skids, verify the 3. Set the machine upright. 4. Install the remaining two new torque arm mounting 5. Torque the rear suspension mounting bolts to specification. 6. Align the track guides/clips with the suspension rails. 7. Adjust the rear idler to achieve the correct amount of track A B CAUTION Always use new fasteners when securing the torque arms to the tunnel. |