EPC Parts Catalogs

325 VM and VH Variable Gauge Undercarriage Front Idler, Recoil Spring and Hydraulic Track Adjuster - Remove and Install Caterpillar


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Front Idler, Recoil Spring and Hydraulic Track Adjuster - Remove and Install
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325 VM and VH <BR>Variable Gauge Undercarriage [KENR8182]
325 VM and VH Variable Gauge Undercarriage Sprocket - Remove and Install
325 VM and VH Variable Gauge Undercarriage Recoil Spring - Disassemble
UNDERCARRIAGE
ADJUSTMENT GP-HYDRAULIC TRACK
325 VM and VH Variable Gauge Undercarriage Front Idler, Recoil Spring and Hydraulic Track Adjuster - Remove and Install
1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Start By:

  1. Separate the track assemblies.
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    Illustration 1g02160426

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

    The spring of the recoil spring assembly is compressed under several tons of force.

    Do not attempt to compress or release the tension of the spring with the nut on the end of the retaining rod.

    Damaged threads on the retaining rod or nut can cause the assembly to come apart with force, resulting in injury or death.

    ----------------------

  1. Use a pry bar and move the front idler (1) and recoil spring (2) partially out of the track roller frame.

  1. Attach a suitable lifting device to front idler (1) and recoil spring (2). The weight of front idler (1) and recoil spring (2) is approximately 342 kg (755 lb). Slide front idler (1) and recoil spring (2) out of the track roller frame as one unit.

  1. Leave the suitable lifting device attached and turn front idler (1) and recoil spring (2) around 180 degrees. Install front idler (1) partially into the track frame. The front idler (1) and recoil spring (2) will be supported by the track frame.
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    Illustration 2g02160427

  1. Attach a suitable lifting device to recoil spring (2). The weight of recoil spring (2) is approximately 172 kg (380 lb). Remove bolts (3) and recoil spring (2) .
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    Illustration 3g02160428

  1. Attach a suitable lifting device to front idler (1). The weight of front idler (1) is approximately 170 kg (375 lb). Remove front idler (1) .
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    Illustration 4g02160429

  1. Attach a grease gun to the fill valve. Pump grease through the fill valve and into the cylinder in order to remove piston (5) .

  1. Remove valve (8) and seal assembly (7) .

  1. Remove seal (6) from piston (5) .

  1. Remove lip seal (4) .
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    Illustration 5g02160551

  1. Remove bolts (11), washers (10), and plate (9) .

Installation Procedure

  1. Install the front idler, the recoil spring, and the hydraulic track adjuster in the reverse order of removal.

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