OPERATOR AR-ENCLOSED ROPS 2460828 - Caterpillar

Before carrying out arc welding on the machine or on any equipment attached to the machine, disconnect all power and ground leads from the batteries in order to avoid possible damage to electronic components.
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.
Table 1
Part Number (Stick Bracket)     Weight of the Stick Bracket    
169-3071    
84 kg (185 lb)    
169-3438    
193 kg (425 lb)    
Refer to the Service Manual, "Grapple - Remove" in order to remove the push bar from the stick bracket.
Attach an appropriate nylon lifting sling and a hoist to the stick bracket. The weight of each stick bracket is listed in Table 1.
Grind away the weld from the stick bracket and the stick with a hand grinder.
Grind away any remaining weld and grind away any burrs in order to have a smooth surface.
When you have finished welding, remove all of the damaged paint. Paint the bare metal with primer. When the primer is dry, paint the area with a coat of paint.Installation Procedure
The Special Instruction, GEBI0091 is for the installation of the stick bracket for the Mechanical Work Tools. The stick bracket is welded to the stick of the host machine. The weight of each stick bracket is shown in Table 1. If you need more information about the installation of the stick bracket to your machine, consult your Caterpillar dealer.Note: Before you weld the stick bracket to the stick of the host machine, ensure that the ground of the welder is located close to the bracket. The ground of the welder must be placed so that no current can pass through the bearings.Note: Before you perform the steps below, you must ensure that the work tool is compatible to the host machine. Consult your Caterpillar dealer for more information.Note: Before you weld the stick bracket to the stick of the host machine, you must remove the paint. Before you weld the stick bracket to the stick of the host machine, you must remove any grease or dirt.
Table 2
Mounting Dimension    
G112    
1275 mm (50 inch)    
G115    
1275 mm (50 inch)    
G125    
1275 mm (50 inch)    
G140    
1275 mm (50 inch)    
Illustration 1 g00575875
Mount the work tool to the host machine.
Extend the bucket cylinder until the mounting bracket is resting against the stick of the host machine.
Illustration 2 g00575743
In order to locate the stick bracket, extend the bucket cylinder or retract the bucket cylinder until the Dimension (L) is correct. For the correct dimensions, refer to Table 2.
Illustration 3 g00731719
Center the stick bracket on the stick. Measure the clearance (G) on each side of the stick. Refer to Illustration 3.Note: You must follow this procedure if the stick bracket is narrower than the stick of the host machine.
Illustration 4 g00575213
(A) 40° (B) 20 mm (0.78 inch) (C) 13 mm