422F2, 427F2, 428F2, 432F2, 434F2 and 444F2 Backhoe Loaders Machine Systems Caterpillar


Sliding Frame and Bearing - Install

Usage:

427F2 HWK

Installation Procedure



    Illustration 1g03327992


    Illustration 2g03327991

  1. Install wear rings (8) and (11), piston seal (10), and lip seal (12) onto piston (9).

  2. Lubricate piston (9) and the seals with clean hydraulic oil. Install piston (9).

  3. Install O-ring seal (7) onto cap (5). Lubricate O-ring seal (7) and the bore with clean hydraulic oil. Install cap (5) and bolts (6).

  4. Install the remaining cylinder assemblies onto sliding frame (4).


    Illustration 3g03327990

  5. Use a suitable lifting device to position sliding frame (2). The weight of sliding frame (2) is approximately 204 kg (450 lb).

  6. Install bolts (4) and bar (3). Repeat for the other side.

  7. Tighten bolts (1) and bolts (4) to a torque of 230 ± 20 N·m (170 ± 15 lb ft) plus turn an additional 30 degrees.

End By:

  1. Install the swing cylinder.

  2. Install the swing frame.

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