CYLINDER & SEAL GP-STICK 3494132 - Caterpillar

Because of the wear characteristic on the outside faces of the two outside 7D7504 Plates, they must be installed in exactly the same position as they were before assembly. Put oil on plates and discs at assembly.(1) 7D7504 Plate thickness: New ... .0950 .0025 in.(2.413 0.064 mm)Minimum worn ... .090 in.(2.29 mm)(2) 5D6329 Disc thickness: New ... .200 .005 in.(5.08 0.13 mm)Minimum worn ... .180 in.(4.57 mm)(3) 7 discs and 8 plates (all new) ... 2.160 .055 in.(54.86 1.40 mm) Minimum thickness (worn plates and discs) ... 1.98 in.(50.3 mm)(4) 6M8252 Spring, piston return: Length under test force ... 2.50 in.(63.5 mm)Test force ... 83.7 4.18 lb.(371 18 N)Free length after test ... 2.81 in.(71.4 mm)Outside diameter ... .776 in.(19.71 mm) To get the minimum permissible thickness, measure the thickness of each plate and disc, then add all of these measurements. When a disc is checked for thickness, measure the depth of each groove in the disc. The depth of a groove must be more than .018 in (0.46 mm).