The tools listed are needed for the following procedure:
MEL1242 – Power Ram
MEL1202B – Axle Bearing Service Set
NOTE: The procedure shown is for removing the front axle, bearings and sprocket. This procedure can also be used for the rear axle, bearings and sprocket. (See Rear Cover Removal And Installation on Page 40-30-3.)
Use jackstands to support the rear of the loader. (The loader wheels should remain on the ground.)
Raise the lift arms and install an approved lift arm support device. (See Installing on Page 10-20-1.)
Raise the operator cab. (See Raising on Page 10-30-2.)
Remove the control panel. (See Removal and Installation on Page 50-100-2.)
Remove the twelve front cover mounting bolts (Item 1) and the front cover (Item 2) from the chaincase [Figure 40-20-6]. (See Front Cover Removal And Installation on Page 40-30-1.)
Loosen the axle sprocket mounting bolt (Item 1) [Figure40-20-7].
Lift and block the loader. (See Procedure on Page 10-10-1.)
Remove the fluid from the chaincase. (See Removing And Replacing Oil on Page 10-130-1.)
Remove the axle hub. (See Axle Seal Removal And Installation on Page 40-20-2.)
Remove the sprocket mounting bolt (Item 1) [Figure 40-20-7].
Installation: Tighten the sprocket mounting bolt to 300 – 330 ft.-lb. (407 – 447 N•m) torque.
Install the MEL1242 power ram (Item 1) [Figure 40-20-8] between the two sprockets.
Put a spacer between the power ram and axle. Push the axle out to the end of the power ram stroke. Add another spacer and push the axle again. Repeat this procedure until the axle is free from the sprocket and inner bearing.
Remove the drive chain from the sprocket (Item 1) [Figure 40-20-9] and remove the sprocket from the chaincase.
Remove the inner bearing (Item 2) [Figure 40-20-9] and remove the axle from the axle tube. (See Axle Sprocket And Bearings Removal And Installation on Page 40-20-4.)
Installation: Pack both axle bearings with grease before installing them.
A bearing puller (Item 1) [Figure 40-20-10] is needed for the following procedure:
Put the axle/outer bearing assembly in the bearing puller as shown and put in the hydraulic press [Figure 40-20-10].
Be sure the bearing puller makes good contact with the inner race of the bearing and press the bearing off the mounting surface of the axle.
Be sure to hold onto the axle during removal as it will slide freely along the axle shaft after removal from the bearing mounting surface and until the bearing contacts the spline on the shaft.
Press the splined end of the axle free from the bearing [Figure 40-20-11].
Installation: A piece of round tubing (Item 1) [Figure 40-20-12] is needed to install the bearing on the axle shaft.
The tubing needs to measure approximately 0.500 in. (12,7 mm) to 1.0 in. (25,4 mm) in length. The inside diameter of the tubing should not be under 2.100 in. (53,3 mm) and the outside diameter should not be over 2.400 in. (60 mm),
A bearing puller (Item 2) [Figure 40-20-12] is also needed to install the bearing on the axle.
Put the tubing (Item 1) on the bearing puller (Item 2) [Figure 40-20-12].
Put the bearing (Item 3) [Figure 40-20-12] on the tube as shown.
Put the spline end of the axle shaft (Item 4) [Figure 40-20-12] in the bearing and press the bearing onto the axle.
Be sure to hold onto the axle during installation, as it will slide freely along the axle shaft after the spline end has passed through the bearing and until it reaches the bearing mounting surface on the axle.
When the bearing reaches the bearing mounting surface, continue the installation until the bearing is fully seated [Figure 40-20-13].
Use the tools provided in the MEL1202B Axle Bearing Service Set for bearing cup removal and installation. A slide hammer is also necessary for this procedure.
Use the long rod and bearing cup tool to remove the inner bearing cup [Figure 40-20-14].
Hit the long rod with a hammer to remove the bearing cup from the axle tube [Figure 40-20-14].
To remove the outer bearing cup, place the bearing cup tool (Item 1) [Figure 40-20-15] on the slide hammer.
Leave the bearing cup tool loose until the tool is installed inside the tube [Figure 40-20-15]
After the bearing cup tool is inside the axle tube, pull the tool against the bearing cup and tighten the nut (Item 2) [Figure 40-20-15] on the tool.
Use the slide hammer and remove the bearing cup from the axle tube [Figure 40-20-16].
Use the bearing cup installation tools (Item 1) [Figure 40-20-17] and (Item 1) [Figure 40-20-18] and the long threaded rod (Item 2) [Figure 40-20-18] from the service set to install the inner and outer bearing cups.
Put the inner bearing cup in the axle tube (Item 2) [Figure 40-20-17].
Put the installation tool (Item 1) [Figure 40-20-17] in the axle tube.
Install the long threaded rod (Item 2) [Figure 40-20-18] into the axle tube and through the installation tool (Item 1) [Figure 40-20-17].
Secure the tool to the threaded rod with a nut (Item 3) [Figure 40-20-17].
Put the installation tool (Item 1) [Figure 40-20-18] in the axle tube with the threaded rod through the hole in the tool.
Secure the tool to the threaded rod with a nut [Figure 40-20-18].
Hold the inside nut (Item 3) [Figure 40-20-17] with a wrench and tighten the outside nut as shown in photo [Figure 40-20-18].
Tighten the nut until the bearing cup is seated.
To install the outer bearing cup, use the short rod and the bearing cup tool used for removing the bearing cups.
Put the bearing cup tool on the short rod.
Put the bearing cup in the axle tube and put the tool into the tube over the bearing cup [Figure 40-20-19].
Hit the short rod with a hammer until the bearing cup is seated inside the axle tube.