COVER A 4H1750 - Caterpillar

Illustration 1 g00477060
(1) Clearance between guide and tappet ... 0.0025 to 0.0101 mm (.00010 to .00040 inch)Note: The guide and the 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 inch)Diameter of piston ... 33.972 0.008 mm (1.3375 .0003 inch) (3) 7W-0134 Spring Test force ... 211 11 N (47.5 2.5 lb) Length under test force ... 33.67 mm (1.326 inch) Free length after test ... 56.1 mm (2.21 inch) Outside diameter ... 27.36 mm (1.077 inch) (4) Fuel inlet port (5) Check valves (6) Fuel outlet port