2002/09/16 A Guard Extends the Service Life of the Lift Cylinder Lubrication Hose {7510} Caterpillar

Reference: Maintenance Manual, RENR4700 (1DE0603), "Machine Repairs and Welding Procedures", "Safety".

Reference: Disassembly and Assembly, RENR4612 (9EL9611), "R1300 LHD Vehicle Systems", "Remove Lift Cylinders".

Reference: Disassembly and Assembly, RENR4612 (9EL9611), "R1300 LHD Vehicle Systems", "Install Lift Cylinders".

A new guard is available to provide protection for the lift cylinder lower lubrication hose. The new guard is adaptable to the following machine: R1300 LHD (S/N: 6QW1-UP). Refer to the following installation procedure for details.

Procedure:

Show/hide table

Personal injury can result from flame cutting or welding on painted areas. The effect of gasses from burned paint is a hazard to the person doing the cutting or welding. Do not flame cut or weld on painted areas.

Show/hide table

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

Show/hide table



Illustration 1	g00915689
View of the lift cylinder to be removed (1) 0DE4352 Hose As (2) Lift Cylinder (3) 5P-4479 Elbow

1. Disconnect 0DE4352 Hose As (1) from lift cylinder (2). Remove 0DE4352 Hose As (1). Discard 0DE4352 Hose As (1) .

2. Remove 5P-4479 Elbow (3) from lift cylinder (2) .

3. Remove lift cylinder (2). Refer to Disassembly and Assembly, RENR4612 (9EL9611), "R1300 LHD Vehicle Systems", "Remove Lift Cylinders".

4. Repeat Steps 1 through 3 for the other side lift cylinder.

Show/hide table



Illustration 2	g00915691
Welding position of the 9EQ0243 Guard (C) 25 mm (0.98 inch) (D) Do not weld around the inner radius (2) Lift cylinder (4) 9EQ0243 Guard

5. Weld 9EQ0243 Guard (4) to lift cylinder (2). Refer to Maintenance Manual, RENR4700 (1DE0603), "Machine Repairs and Welding Procedures", "Safety".

6. Repeat Step 5 for the other side lift cylinder.

Show/hide table



Illustration 3	g00915693
Installation position of the 0DE5304 Hose As (4) 9EQ0243 Guard (5) 2N-1287 Flared Elbow (6) 0DE5304 Hose As

7. Install the lift cylinders. Refer to Disassembly and Assembly, RENR4612 (9EL9611), "R1300 LHD Vehicle Systems", "Install Lift Cylinders".

8. Install 2N-1287 Flared Elbow (5) .

9. Install 0DE5304 Hose As (6) .

10. Repeat Step 8 and Step 9 for the other side lift cylinder.