RESTRICTOR 3628949 - Caterpillar

Use a stable work platform placed in a secure location when lubricating the pillar, working on the fuel tank, or working on the hydraulic tank. If a secure location is not available, use the appropriate safety equipment to prevent falling off of the machine. Failure to work from a secure location may result in injury or death from a slip or a fall.
Note: In order to lubricate the extendable stick, use an external platform that enables three-point contact at all times.Two chains are used for extending the stick and for retracting the stick. One chain is located on the top of the boom. The other chain is located on the bottom of the boom.
Illustration 1 g01018448
Service PositionNote: The chains must be lubricated with SAE 10W50 oil. Two lubricating devices are provided on the boom.
Remove the plastic cap on each lubricating device and fill the device with oil.
Install the plastic caps.As the stick is moved, the chains will pass under the lubricating device. A brush on the lubricating device will apply oil to the chains.