SHIM 0339498 - Caterpillar

Illustration 1 g00122901
Check the relief valve pressure setting in the hoist control valve: Oil temperature during the test ... 40° 3°C (104° 5°F) Relief valve pressure setting ... 17240 + 520 - 0 kPa (2500 + 75 - 0 psi) Flow rate at the pump port of the hoist control valve ... 490 10 L/min (129 3 US gpm) Pressure at the pilot port of the hoist control valve ... 850 50 kPa (123 7 psi)Then, cycle the pressure at the pilot port from 0 to 850 kPa (0 to 123 psi) in order to ensure repeatability. (1) Apply 7M-7456 Compound to the threads of the two bolts. (3) 3H-2549 Shim Quantity ... 5 Thickness ... 0.25 mm (0.010 inch)Note: Shims (3) must contact plug (2). Change the quantity of shims (3) in order to adjust the relief valve pressure setting. (4) 9T-5734 Spacer Quantity ... 6 Thickness ... 1.2 mm (0.047 inch)Note: Spacers (4) must contact spring (5). Change the quantity of spacers (4) in order to adjust the relief valve pressure setting. (5) 2J-6089 Spring Length under test force ... 36.25 mm (1.427 inch) Test force ... 278 14 N (62.50 3.15 lb) Free length after test ... 44.12 mm (1.737 inch) Outside diameter ... 12.50 mm (0.492 inch) (6) 8J-2634 Spring (inner) Length under test force ... 62.5 mm (2.46 inch) Test force ... 114.6 22.7 N (25.77 5.11 lb) Free length after test ... 69.85 mm (2.75 inch) Outside diameter ... 20.62 mm (0.812 inch) (7) 8J-2635 Spring (outer) Length under test force ... 60.96 mm (2.40 inch) Test force ... 161.0 24.5 N (36.20 5.50 lb) Free length after test ... 69.85 mm (2.75 inch) Outside diameter ... 30.48 mm (1.20 inch) (8) 7S-8491 Spring Length under test force ... 25.4 mm (1.00 inch) Test force ... 19.2 1.6 N (4.31 0.35 lb) Free length after test ... 41.15 mm (1.62 inch) Outside diameter ... 30.175 mm (1.188 inch)