ROD AS 2143850 - Caterpillar

Illustration 11 g00525999
Fasten a hoist and suitable lifting straps (6) to the wheel, as shown.
Remove 30 bolts (7) from the rim.
Use the hoist to carefully remove the wheel. The weight of the wheel is 1680 kg (3704 lb).
Remove all debris from the axle.
Repeat steps 8 through 11 for the LH side of the machine.Installation of Rim Extension on the Wheel
The 155-7239 Guard is used to protect the axle. Use 070-0133 Guard for 1016 mm (40 inch) wheels. The Guards will be welded to the inside diameter of the wheels.
Illustration 12 g00684763
Position either Guard (1) on the inside diameter of the wheel. Place the chamfered edge of the guard toward the wheel.
Tack weld the guard in place.
After the guard is positioned correctly, weld the guard to the wheel. Use a 8 mm (0.32 inch) bevel weld (A) on the inside of the guard.Note: Only weld the gap on the guard after the guard has been positioned correctly.
Once the guard has been attached, use a 1.5 mm (0.06 inch) butt weld (B) to close the gap on the guard.
Repeat the above steps for the opposite wheel.Installation of Welded Frame Components for 2Q-8292 Axle Guard Kit (Front)
Note: Illustration 13 refers to the location of the welded parts on the frame.
Illustration 13 g00526680
LH side view of front frame (A) 225 2 mm (8.86 0.08 inch) (B) 291.7 2 mm (11.48 0.08 inch) (C) 21.8 1.5 mm (0.86 0.06 inch) (D) 21.8 1.5 mm (0.86 0.06 inch) (E) 202 1.5 mm (7.95 0.06 inch) (F) 121.8 1.5 mm (4.79 0.06 inch) (G) 193 1.5 mm (7.60 0.06 inch) (H) Use a 6 mm (0.24 inch) fillet weld with 1.5 mm (0.06 inch) penetration. The weld is required on three sides of the angle (2). (1) 161-2409 Block (2) 161-2678 Angle (3) 161-2432 Block (4) 161-2410 Block (5) 092-5168 Block
Illustration 14 g00526836
View K-K of Illustration 13 (L) 40.2 1.5 mm (1.58 0.06 inch) (T) Use a 8 mm (0.31 inch) fillet weld with 1.5 mm (0.06 inch) penetration. Weld M to N on 4 bosses. (P) Use a 10 mm (0.39 inch) fillet weld with 1.5 mm (0.06 inch) penetration. Weld both sides of 2 blocks.
Illustration 15 g00526864
Section J-J of Illustration 13 (Q) 70.2 1.5 mm (2.76 0.06 inch) (R) Use a 8 mm (0.32 inch) fillet weld with 1.5 mm (0.06 inch) penetration. Weld both sides of 2 blocks. (S) Use a 10 mm (0.39 inch) fillet weld with 1.5 mm (0.06 inch) penetration. Weld three sides of 2 blocks.
Tack weld the angle in position. Finish welding after the guard assemblies have been positioned onto the frame.
Repeat welding the process for the opposite side of the front frame.Installation of Front Guard Assemblies
Note: Refer to Illustration 16 for steps 1 through 6.
Illustration 16 g00730957
Install the following parts on the 161-2159 Guard (RH) (20) .
One 161-6011 Plate (21)
Four 8T-4121