ISOLATOR 3173214 - Caterpillar

(1) 6N515 Spring for load check valve (right track): Length under test force ... 46.00 mm (1.811 in.)Test force ... 30.4 1.8 N (6.84 .4 lb.)Free length after test ... 75.0 mm (2.95 in.)Outside diameter ... 20.60 mm (.810 in.)(2) 7S8491 Spring for load check valve (swing stick, stick and boom crossover): Length under test force ... 25.4 mm (1.00 in.)Test force ... 19.0 1.6 N (4.31 .35 lb.)Free length after test ... 41.0 mm (1.62 in.)Outside diameter ... 30.2 mm (1.19 in.)(3) 7J7852 Spring for make-up valve: (swing, right track and stick)Length under test force ... 43.2 mm (1.70 in.)Test force ... 8 N (1.8 lb.)Free length after test ... 58.7 mm (2.31 in.)Outside diameter ... 23.1 mm (.91 in.)(4) 5F5835 Spring for line relief valves: (right track and stick)Length under test force ... 27.0 mm (1.06 in.)Test force ... 10.7 to 12.6 N (2.41 to 2.83 lb.)Free length after test ... 30.2 mm (1.19 in.)Outside diameter ... 21.43 mm (.844 in.)Pressure setting for line relief valves:8J328 Valve (stick circuit) ... 30 250 1380 kPa (4400 200 psi)8J6798 Valve (track circuit) ... 33 000 1380 kPa (4800 200 psi)(5) 8J322 Spring for line relief valve: Length under test force ... 36.8 mm (1.45 in.)Test force ... 132 11 N (30.4 2.4 lb.)Free length after test ... 42.2 mm (1.66 in.)Outside diameter ... 11.2 mm (.44 in.)(6) Thickness of 6J8696 Shims ... 1.22 mm (.048 in.) One shim will change pressure ... 5420 kPa (782 psi)Thickness of 5J6153 Shims ... 0.18 mm (.007 in.)One shim will change pressure ... 785 kPa (114 psi) (7) Thickness of 4B4279 Washers ... 1.65 + 0.38 or - 0.36 mm (.065 + .015 or - .014 in.) Two are required in each overspeed valve when balance line is installed between track valves.(8) 8J3599 Spring for track overspeed valve: Length under test force ... 96.5 mm (3.8 in.)Test force ... 550 80 N (123 18 lb.)Free length after test ... 112.8 mm (4.44 in.)Outside diameter ... 24.6 mm (.97 in.)(9), (13) Spool centering shims (swing and track): 8B4624 (four) ... 0.813 mm (.0320 in.)8J1864 (six) ... 0.13 mm (.005 in.)9J8784 (six) ... 0.18 mm (.007 in.)(10), (18) 8J4361 Spring (inner) (swing, stick, boom and stick crossover): Length under test force ... 68.6 mm (2.7 in.)Test force ... 155.7 12.5 N (35.0 2.8 lb.)Free length after test ... 157.5 mm (6.2 in.)Outside diameter ... 33.0 mm (1.30 in.)(11), (17) 8J4360 Spring (outer) (swing, stick, boom and stick crossover): Length under test force ... 39.68 mm (1.562 in.)Test force ... 1185 58 N (266 13 lb.)Free length after test ... 47.63 0.38 mm (1.875 .015 in.)Outside diameter ... 58.73 mm (2.312 in.)(12), (16) Load shims (swing, stick, boom and stick crossover): 4B9605 (twenty-four) ... 0.25 mm (.010 in.)(14) Load shims (track) 9J8781 (two) ... 0.13 mm (.005 in.)9J8782 (two) ... 0.18 mm (.007 in.)9J8783 (two) ... 0.51