HPU300 Hydraulic Power Pack Caterpillar


Hydraulic System Oil Level - Check

Usage:

HPU300 AP3

------ WARNING! ------

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.


------ WARNING! ------

Pressurized System. Hydraulic oil escaping under pressure can penetrate the skin and cause serious injury or death. Do not operate the power pack with leaking or damaged hydraulic components. Open the breather filter slowly to release the pressure inside the reservoir. Wear protective equipment. If oil contacts the eye, flush immediately with clean water and seek medical treatment. Malfunctioning or leaking threaded fittings, hose connections, and pressure lines must be immediately repaired by a Cat dealer (search for hydraulic leaks with a piece of cardboard).



NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.

Dispose of all fluids according to local regulations and mandates.



NOTICE

Possible damage due to wrong hydraulic oil. Neither the power pack nor the excavator must be filled with biodegradable hydraulic oil. Only use hydraulic oil according to the Lubricant Viscosities. The power pack and the excavator must be filled with hydraulic oil of the same grade. Have the hydraulic oil only changed by a Cat dealer.



NOTICE

Possible damage to hydraulic system due to incorrect hydraulic oil level. The hydraulic oil level must be in the middle between the MIN and MAX marks. Check the hydraulic oil level once a day.



NOTICE

Possible damage to hydraulic system due to dirty hydraulic oil. If the hydraulic oil in the sight glass is cloudy, this indicates that there is water or air in the hydraulic system. Consult your Cat dealer. Consult your Cat dealer if the hydraulic oil filter is dirty.




    Illustration 1g06024001

  1. Put the power pack on firm, level, and horizontal ground.

  2. Check the oil level on sight glass (A). After the operating temperature is reached, the oil level must be in the middle between the MIN and MAX marks. Add oil if the oil level is lower.


    Illustration 2g06024002

  3. Unscrew breather filter (B) slowly to release the pressure inside the reservoir slowly.


    Illustration 3g06024005

  4. Add hydraulic oil.

    Note: Refer to "General Hazard Information" for information that pertains to containing fluid spillage.

  5. Install the breather filter

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