VALVE GP-BRAKE CONTROL 9W1617 - Caterpillar

Personal injury or death can result from fumes, gases and ultraviolet rays from the weld arc.Welding can cause fumes, burn skin and produce ultraviolet rays.Keep your head out of the fumes. Use ventilation, exhaust at the arc, or both, to keep fumes and gases from your breathing area. Wear eye, ear and body protection before working.Protect yourself and others; read and understand this warning. Fumes and gases can be dangerous to your health. Ultraviolet rays from the weld arc can injure eyes and burn skin. Electric shock can cause death.Read and understand the manufacturer's instructions and your employer's safety practices. Do not touch live electrical parts.See "American National Standard Z49.1, Safety in Welding and Cutting" published by the American Welding Society.American Welding Society
2501 N.W. 7th Street
Miami, Florida 33125
See "OSHA Safety and Health Standards, 29 CFR 1910", available from U.S. Department of Labor.U.S. Department of Labor
Washington, D.C. 20210
Personal injury or death can result from improper lifting or blocking.When a hoist or jack is used to lift any part or component, stand clear of the area. Be sure the hoist or jack has the correct capacity to lift a component. Install blocks or stands before performance of any work under a heavy component.Approximate weights of the components are shown. Clean all surfaces where parts are to be installed.
D5G Undercarriage Arrangements
Necessary Parts
Table 1
Parts for the D5G Undercarriages    
Item     Qty     Part Number     Description     Notes    
1     2     5T-1352     Spacer     Recoil spring spacer    
2     2     231-0072     Spring        
3     4     6S-6154     Gusset     Purchase or Fabricate    Preparation of the Undercarriage
Note: Check the track roller frame for wear while the track is off of the machine. Repair any worn parts or replace any worn parts such as track rollers, carrier rollers, idlers, etc.
Remove the recoil spring. Refer to Disassembly and Assembly, "Recoil Spring-Remove" in the Service Manual for the proper procedure.Preparation for Service
Illustration 1 g01232443
Gusset
Fabricate four 6S-6154 Gussets or order four 6S-6154 Gussets (3) from 12 mm (0.50 inch) thick mild steel or a better grade of plate. Use a wire wheel to remove the paint from the inside of both existing gusset plates. Remove the paint from both of the track roller frames. Refer to Illustration 2.
Illustration 2 g01232659
Clamp one 6S-6154 Gusset on the inside of the existing gusset. Refer to Illustration 3.
Illustration 3 g01232687
Apply a 6 mm (0.25 inch) butt weld along the angled surface of the gussets. Apply a 6 mm (0.25 inch) fillet weld on the bottom and the side of the gusset plates. Refer to Illustration 4.
Illustration 4 g01232690
Repeat the same procedure for all other track frame gussets. Do not allow any weld or weld splatters to enter the bore (4) .
Illustration 5 g01232692
Adjuster Rod for the Recoil Spring with Spacer (1) 5T-1352 Spacer
Illustration 6 g01232693
Adjuster Assembly with Idler (2) 231-0072 Recoil Spring
Install the spacer (1) onto the adjuster rod. Refer to Illustration 5. Install the