John Deere约翰迪尔强鹿柴油发动机气门弹簧的检查和测量

John Deere约翰迪尔强鹿柴油发动机气门弹簧的检查和测量

1. Inspect valve springs for alignment, wear, and damage.

2. Using D01168AA Spring Compression Tester, checkvalve spring tension. Compressed height must bewithin specification given below.

Valve Springs—Specification

Spring Free Length 0 N (0lb-force)1—Height ....................................................... 54.0 mm (2.125 in.)

Spring Compressed 240—280 N(54—62 lb-force)—Height............................................. 46.0 mm (1.81 in.)

Spring Compressed 590—680 N(133—153 lb-force)—Height......................................... 34.5 mm (1.36 in.)