Spring Hanger Replacement (Front Hanger-Tandem Axle)
Spring Hanger Replacement (Front Hanger-Tandem Axle)
Removal Procedure
1. Set the parking brake.
2. Block the front wheels.
3. Place a suitable lifting device under the forward rear axle.
4. Remove the dual wheel assembly, if necessary. Refer to Tire and Wheel Removal and Installation (Disc Type-Single Front/Rear) Tire and Wheel Removal and Installation (Disc Type-Single Front/Rear)Tire and Wheel Removal and Installation (Disc Type-Dual) Tire and Wheel Removal and Installation (Disc Type-Dual)Tire and Wheel Removal and Installation (Cast Type-Single Front/Rear) Tire and Wheel Removal and Installation (Cast Type-Single Front/Rear)Tire and Wheel Removal and Installation (Cast Type-Dual) Tire and Wheel Removal and Installation (Cast Type-Dual).
5. Remove the load from the spring and the spring eye pin (3).
6. Raise the frame using a suitable lifting device.
7. Remove the following components:
* The eye pin clamp bolt nut
* The washer
* The bolt (2)
8. Remove the lubrication fitting from the spring eye pin (3).
9. Remove the spring eye pin (3). Drive out the eye pin using a drift and a hammer from the outer side.
10. Raise the frame.
11. Lower the axle until the spring hammer clears the spring.
12. Remove the following components:
* The nuts
* The washers
* The bolts
* The spring hanger
Installation Procedure
Notice: Refer to Fastener Notice in Cautions and Notices.
1. Install the following components. Use the bolts with washers on the insider and the outside of the frame.
* The spring hammer
* The bolts
* The washers
* The nuts
Tighten the spring hammer nut to 155 Nm (115 lb ft).
2. Install the spring eye pin (3).
1. Lower the frame and raise the axle in order to align the spring eye (5) and the spring front hanger (6).
2. Apply a thin coat of chassis lubricant to the spring eye (5) and the spring eye pin (3).
3. Align the milled flat near the end of the eye pin with the clamp bolt (2) hole in the spring hanger (6).
4. Use a hammer from the outer side in order to drive the spring eye pin (3) through the spring front hanger (6) and the spring eye (5).
3. Install the following components:
* The clamp bolt (2)
* The washer
* The nut
Tighten the eye pin clamp bolt nut to 75 Nm (55 lb ft).
4. Install the dual wheel assembly, if removed.
5. Remove the blocks from the wheels.