Start By:
- Connect the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect" for the machine that is being serviced.
- Release the pressure in the system. Refer to Disassembly and Assembly, "System Pressure - Release" for the machine that is being serviced.
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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. |
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Personal injury can result from hydraulic oil pressure and hot oil. Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system. Make sure all of the attachments have been lowered, oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. |
Note: Put identification marks on all lines, on all hoses, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.
- Make sure that the decking blade is lowered to the ground without any downward pressure.
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Illustration 1 g00604711 - Attach a hoist and suitable lifting slings to lift cylinder (1), as shown.
- Remove bolt (2), lock (3), and pin (4).
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Illustration 2 g00604714 Note: Make sure that there are no personnel near the machine when you start the engine.
- Start the engine. Move the control lever for the decking blade to the RAISE position in order to retract the lift cylinder. Stop the engine.
- Carefully lower lift cylinder (1) onto the trunnion, as shown.
- Remove two bolts (5) and clip (6).
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Illustration 3 g00604715 - Disconnect two lines (7).
- Remove bolt (8) and pin (9).
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Illustration 4 g00604716 - Remove bearing (10) from the decking blade.
- Lower the temperature of bearing (10) and install bearing (10) on the decking blade.
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Illustration 6 g00604715 - Attach a hoist and suitable lifting slings to the lift cylinder. Place the lift cylinder in position for installation.
- Install pin (9) and bolt (8).
- Connect two lines (7).
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Illustration 7 g00604714 - Install clip (6) and two bolts (5).
Note: Make sure that there are no personnel near the machine when you start the engine.
- Start the engine. Move the control lever for the decking blade to the LOWER position in order to expand the lift cylinder. Stop the engine.
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Illustration 8 g00604711 - Raise lift cylinder (1) into position. Install pin (4), lock (3), and bolt (2).
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| Illustration 5 | g00604716 |
End By:
- Separate the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect" for the machine that is being serviced.