COVER-ACCESS 3772259 - Caterpillar

Illustration 1 g00288119
Do not use caustic (corrosive) materials to clean any parts in this valve group. Caustic materials will cause corrosive and damage to parts.
(1) Torque for the bolt ... 30 7 N m (22 5 lb ft) (2) Torque for the four bolts ... 30 7 N m (22 5 lb ft) (3) Torque for the three bolts ... 30 7 N m (22 5 lb ft) (4) Torque for the two bolts ... 30 7 N m (22 5 lb ft) (5) 8P-5058 Spring Length under test force ... 25.4 mm (1.00 inch) Test force ... 54 N (12 lb) Free length after test ... 32.5 mm (1.28 inch) Outside diameter ... 15.24 mm (.600 inch) (6) 6Y-7267 Spring Color code ... Red stripe Length under test force ... 65.0 mm (2.56 inch) Test force ... 55 3 N (12 1 lb) Free length after test ... 96.1 mm (3.78 inch) Outside diameter ... 8.12 mm (.320 inch) (7) 8P-9738 Load Piston Orifice Orifice thickness ... 4.58 mm (.180 inch) (8) Shims Thickness of one 8J-4452 Shim ... 0.12 mm (.005 inch) One 8J-4452 Shim will change the pressure approximately. ... 33 kPa (5.0 psi) Thickness of one 2S-0675 Shim ... 0.40 mm (.016 inch) One 2S-0675 Shim will change the pressure approximately. ... 77 kPa (11 psi) Thickness of one 9J-1330 Shim ... 0.79 mm (.031 inch) One 9J-1330 Shim will change the pressure approximately. ... 143 kPa (21 psi) (9) 9W-7410 Spring Color code ... Three light blue stripesFirst test: Length under test force ... 79.5 mm (3.13 inch) Test force ... 78 4 N (18 1 lb)Second test Length under test force ... 63.0 mm (2.48 inch) Test force ... 237 9 N (53 2 lb) Free length after test ... 87.6 mm (3.45 inch) Outside diameter ... 14.7 mm (0.58 inch) (10) Shims Thickness of one 5J-2721 Shim ... 0.13 mm (.005 inch) One 5J-2721 Shim will change the pressure approximately. ... 13 kPa (2.0 psi) Thickness of one 6J-3993 Shim ... 0.25 mm (.010 inch) One 6J-3993 Shim will change the pressure approximately. ... 26 kPa (4.0 psi) Thickness of one 5J-1036 Shim ... 0.8 mm (.03 inch) One 5J-1036 Shim will change the pressure approximately. ... 81 kPa (12 psi) (11) 4M-2381 Springs Quantity ... two Length under test force ... 12.2 mm (.48 inch) Test force ... 2.3 .2 N (.52 .04 lb) Free length after test ... 22.6 mm (.89 inch) Outside diameter ... 7.62 mm (.30 inch) (12) 9P-0683 Spring Length under test force ... 25.4 mm (1.00 inch) Test force ... 35.6 2.8 N (8.00 .60 lb) Free length after test ... 66.04 mm (2.600 inch) Outside diameter ... 21.4 mm (.84 inch) (13) 6Y-7268 Spring Length under test force ... 65 mm (2.6 inch) Test force ... 282 14 N