HARNESS AS-ENGINE 3134912 - Caterpillar

(1) Clearance between guide and tappet ... 0.0025 to 0.0101 mm (.0001 to .0004 in) The guide and tappet are a matched set. If one part is worn, a new guide and tappet assembly must be installed.(2) Bore in sleeve for the piston ... 34.000 0.015 mm (1.3386 .0006 in) Diameter of piston ... 33.972 0.008 mm (1.3375 .0003 in)(3) 7W0134 Spring: Length under test force ... 33.67 mm (1.326 in)Test force ... 221 11 N (49.7 2.5 lb)Free length after test ... 56.1 mm (2.21 in)Outside diameter ... 27.36 mm (1.08 in)(4) Fuel inlet port.(5) Check valves.(6) Fuel outlet port.