305.5 and 306 Mini Hydraulic Excavators Machine Systems Caterpillar


Cab - Remove

Usage:

305.5 CXZ

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
138-7575  Link Bracket 


    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.


  1. Drain the engine coolant into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change".

  2. Drain the hydraulic oil into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change".

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

    Personal injury can result from contact with refrigerant.

    Contact with refrigerant can cause frost bite. Keep face and hands away to help prevent injury.

    Protective goggles must always be worn when refrigerant lines are opened, even if the gauges indicate the system is empty of refrigerant.

    Always use precaution when a fitting is removed. Slowly loosen the fitting. If the system is still under pressure, release it slowly in a well ventilated area.

    Personal injury or death can result from inhaling refrigerant through a lit cigarette.

    Inhaling air conditioner refrigerant gas through a lit cigarette or other smoking method or inhaling fumes released from a flame contacting air conditioner refrigerant gas, can cause bodily harm or death.

    Do not smoke when servicing air conditioners or wherever refrigerant gas may be present.

    Use a certified recovery and recycling cart to properly remove the refrigerant from the air conditioning system.


  3. Recover the air conditioner refrigerant from the air conditioner system. Refer to Service Manual, SENR5664, "Air Conditioning and Heating Systems with R-134a Refrigerant" for the correct procedure. Refer to Special Publication, NEDG5065, "Air Conditioning Tools" for the correct tools.


    Illustration 1g01162577

  4. Remove bolts (1) and panel (2).


    Illustration 2g01162436

  5. Remove cotter pin (3) and pin (4) in order to disconnect throttle cable (5). Loosen nut (6) and push throttle cable (5) through the bottom of the cab.


    Illustration 3g01162563

  6. Remove bolts (8). Repeat for the other side. Slide frame assembly (7) for the seat forward.


    Illustration 4g01162571

  7. Disconnect heater hoses (9) and (10). Push heater hoses (9) and (10) through the bottom of the cab.


    Illustration 5g01162585

  8. Disconnect six hose assemblies (11) and four hose assemblies (12).


    Illustration 6g01162603

  9. Disconnect harness assembly (13). Disconnect hose (14). Disconnect harness assembly (15) from horn (16).


    Illustration 7g01162617

  10. Disconnect hose assemblies (17).


    Illustration 8g01162620

  11. Disconnect air conditioning hose assemblies (18) and (19).


    Illustration 9g01162621

  12. Disconnect hose assemblies (20).


    Illustration 10g01162625

  13. Cut all cable straps and disconnect harness assembly (21).


    Illustration 11g01162635

  14. Remove bolt (25) and disconnect harness assemblies (22), (23), and (24).


    Illustration 12g01162637

  15. Remove bolts (26) and remove panel (27).


    Illustration 13g01162642

  16. Disconnect hose assemblies (28) from the bottom right side of cab (29).


    Illustration 14g01162645

  17. Attach Tooling (A) and a suitable lifting device to cab (29). The weight of cab (29) is approximately 430 kg (950 lb).


    Illustration 15g01162655

  18. Remove bolts (30). Repeat for the rear of cab (29). Remove cab (29).

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