CASE-TRANSMISSION 8E4952 - Caterpillar

Disassembly Procedure For The Track Adjuster On CIPI Undercarriage Arrangements Which Are Based On 325 and 325B Track Type Excavators
Start By:
Remove the hydraulic track adjuster. Refer to Disassembly and Assembly, "Track Adjuster - Remove" in this manual.
Thoroughly clean the outside of the hydraulic track adjuster prior to disassembly.
Illustration 1 g00555748
(1) Seal (2) Piston (3) Relief valve (4) Fill valve (5) Plate assembly (6) Cylinder
Attach a grease gun to fill valve (4). Pump grease through the fill valve and into cylinder (6) in order to remove piston (2). Remove the piston.
Remove the O-ring seals and the backup rings from the piston.
Remove the two bolts and stopper plate assembly (5) from cylinder (6). Remove relief valve (3) and fill valve (4) from the cylinder. Remove seal (1) from the cylinder.Disassembly Procedure For The Track Adjuster On CIPI Undercarriage Arrangements Which Are Based On 325C Track Type Excavators
Start By:
Remove the hydraulic track adjuster. Refer to Disassembly and Assembly, "Front Idler, Recoil Spring and Hydraulic Track Adjuster - Remove and Install" in this manual.
Thoroughly clean the outside of the hydraulic track adjuster prior to disassembly. The weight of the hydraulic track adjuster is 52 kg (115 lb).
Illustration 2 g00902896
Attach a grease gun to fill valve (6). Pump grease through the fill valve and into cylinder (8) in order to remove piston (4). Remove the piston.
Remove O-ring seals (1), backup rings (2) and backup rings (3) from piston (4) .
Remove the two bolts and stopper plate assembly (7) from cylinder (8). Remove relief valve (5) and fill valve (6) from cylinder (8). Remove seal (9) from cylinder (8) .