307B Excavator Machine Systems Caterpillar

Swing Drive - Remove

Usage:

307B 5CW

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Start By:

Remove the swing motor. Refer to Disassembly and Assembly, "Swing Motor - Remove".

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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, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates.

Prior to removal, clean the mounting area of the swing drive.
Drain the oil from the swing drive into a suitable container for storage or disposal. The capacity of the swing drive is 1.5 L (0.4 US gal).
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Illustration 1 g00534278
Fasten Tool (A) to the swing drive. Install the link brackets of Tool (A) at equal distance by using the swing motor mounting bolts and suitable washers.
Remove lubrication hose assembly (1).
Remove 18 bolts (2) and the washers that hold the swing drive to the undercarriage frame.
Remove two corks (3) from the threaded holes in the swing drive housing.
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Illustration 2 g00534279
Install M12 forcing screw (5) in each threaded hole in the swing drive housing. Tighten the forcing screws evenly in order to separate the swing drive from dowels (4) and the undercarriage frame.
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Illustration 3 g00534280
Fasten a suitable lifting device to swing drive (6), as shown. Carefully remove the swing drive from the machine. The weight of the swing drive is 52 kg (115 lb).
Place the swing drive on wood blocks in order to prevent damage to the drive gear.