DAMPER GP 8N0339 - Caterpillar

src="//c1.a2109.com/cat2/se/senr/senr2561a00044.png">
3408 OIL FILTER BASE SHOWN(1) Bypass valve for the oil cooler. (2) Bypass valve for the oil filter. (3) Torque for the two center studs under the filter base [put 9S3263 Thread Lock on last 7.6 mm (.30 in.) of thread at base end of studs] ... 80 14 N m (60 10 lb.ft.) Put clean engine oil on the filter seals. Put the filters in position on stud (3) and tighten until the seals make contact with the base. Turn the filters 270° (3/4 of one turn) more.(4) 4N8150 Spring for either bypass valve (1) or (2): Length under test force ... 55.25 mm (2.175 in.) Test force ... 75 5 N (17 1.3 lb.)Free length after test ... 93.7 mm (3.69 in.) Outside diameter ... 20.6 mm (.81 in.)Pressure difference to open either bypass valve ... 255 20 kPa (37 3 psi)