336E Excavator and 336E MHPU Mobile Hydraulic Power Unit Machine Systems Track - Separate - Press Fit Master Pin Caterpillar

Separate Procedure

1. Put the machine on a flat level floor.

2. The master pin of the track must be positioned above the centerline of the sprocket or the idler.
   Show/hide table

   Personal injury or death can result from grease and oil coming out of the relief valve. Grease and oil are under high pressure coming out of the relief valve and can penetrate the body. Do not watch the relief valve to see if grease is escaping. Watch the track or track adjustment cylinder to see if the track is being loosened. Make sure the vent holes are clean before the tension is released on the track.

3. Release the track tension. Refer to Operation and Maintenance Manual, "Track Adjustment - Adjust".
   Show/hide table

   Illustration 1	g01167154

4. Use Tooling (A) in order to support track shoe (2). The weight of track shoe (2) is approximately 34 kg (75 lb). Remove bolts (1). Remove track shoes (2).

   Note: In order to provide additional clearance for the removal of the master pin, remove track shoe (2) on each side of the master pin.

   Show/hide table

   Illustration 2	g01174955

5. Place Tooling (B) on the opposite ends of the track in order to prevent the track from sliding from the roller frame.
   Show/hide table

   Illustration 3	g01999725

6. Use Tooling (A) and a suitable lifting device in order to support the section of track that is above Tooling (B). Use Tooling (C) in order to remove master pin (3). The weight of Tooling (C) is approximately 136 kg (300 lb). Use a suitable lifting device in order to raise the track from Tooling (B). Remove Tooling (B). Lower the track assembly.
   Show/hide table

   Illustration 4	g01998554

7. Remove seals (4) from links (5).