TUBE AS 4Q6268 - Caterpillar

Installation Procedure
No clearance for person in this area when lift arm lowers. Severe injury or death from crushing could occur.Install lift arm support pins before servicing machine in this area.Remove lift arm support pins and secure before resuming operation.
Before operating the machine, be sure the lift arm support pins are removed and placed in the stored position. Damage to the front frame and to the lift arm can result if the machine is operated with the lift arm support pins installed in the lift arm.
The lift arm support pins are located on both sides of the lift arm. Install the lift arm support pins before performing service work in the bucket control group area of the machine.
Park the machine on a flat, level surface in a straight ahead position.
Engage the parking brake.
Install the steering frame lock.ReferenceRefer to Disassembly and Assembly, "Steering Frame Lock - Remove and Install".
Illustration 1 g01282957
Raise the lift arm until lift arm support pin (1) can be aligned with the front frame tower.
Illustration 2 g01272525
Hold back pin lock (3). Turn lift arm support pin handle (2) counterclockwise (clockwise for the left side lift arm support pin), then push lift arm support pin (1) fully into the lift arm assembly, as shown. Release pin lock (3) to lock lift arm support pin (1) in position.
Repeat Step 5 for the left side lift arm support pin.
Lower the lift arm until lift arm support pins (1) contact the front frame tower.
Move the bucket fully to the DUMP position.Removal Procedure
No clearance for person in this area when lift arm lowers. Severe injury or death from crushing could occur.Install lift arm support pins before servicing machine in this area.Remove lift arm support pins and secure before resuming operation.
Illustration 3 g01282957
Raise the lift arm until lift arm support pins (1) are above both sides of the front frame tower.
Illustration 4 g01272525
Hold back pin lock (3). Using lift arm support pin handle (2), pull lift arm support pin (1) out from the lift arm assembly. Turn lift arm support pin handle (2) clockwise (counterclockwise for the left side lift arm support pin). Release pin lock (3) to lock lift arm support pin (1) in position.
Repeat Step 2 for the left side lift arm support pin.
Lower the bucket to the ground.
Remove the steering frame lock.ReferenceRefer to Disassembly and Assembly, "Steering Frame Lock - Remove and Install".