ENGINE AR-PRIMARY 4342182 - Caterpillar

(1) Torque for two mounting bolts ... 14 2 N m (10 1 lb ft)(2) Use shims as required to adjust endplay (A): Endplay (A) ... 0.15 0.08 mm (.006 .003 in)(3) Torque for four bolts ... 25 7 N m (18 lb ft)(4) 9T1406 Spring: Length under test force ... 37 mm (1.5 in)Test force ... 31.1 1.6 N (7 .34 lb)Free length after test ... 76.3 mm (3.00 in)Outside diameter ... 23.174 mm (.9124 in)(5) Torque to install valve (not shown) ... 32 5 N m (24 4 lb ft)(6) Torque to install plug (not shown) ... 7 3 N m (5 2 lb ft)(7) 9M1974 Washer (used in 9T1869, 9T1876 & 9T5020 Valves): thickness ... 2 mm (.08 in)Use as required ... three maximum Install washers only at valve end of spring.(8) 8J1630 Spring (used in 9T0110, 9T1876, 9T5019 & 9T5020 Valves): Length under test force ... 55.5 mm (2.19 in)Test force ... 117 6.5 N (26.3 1.5 lb)Free length after test ... 71.9 mm (2.83 in)Outside diameter ... 16.9 mm (.665 in)(8) 9T2570 Spring (used in 9T1869 Valve): Length under test force ... 53.8 mm (2.12 in)Test force ... 182 9 N (41 2 lb)Free length after test ... 77.2 mm (3.04 in)Outside diameter ... 17.2 mm (.68 in)(9) Torque to install plug (earlier) ... 90 5 N m (65 4 lb ft)