3306B Industrial Engine Caterpillar


Fuel Transfer Pump

Usage:

3306B 1BM



Illustration 1g00300118

(1) Distance between the guide and the tappet ... 0.003 to 0.010 mm (.0001 to .0004 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 the sleeve for the piston ... 34.000 ± 0.015 mm (1.3386 ± .0006 inch)

Diameter of the piston ... 33.972 ± 0.008 mm (1.3375 ± .0003 inch)

(3) 7W-0134 Spring

Length under test force ... 33.67 mm (1.326 inch)
Test force ... 221.00 ± 11.00 N (49.683 ± 2.473 lb)
Free length after test ... 56.1 mm (2.21 inch)
Outside diameter ... 27.4 mm (1.08 inch)

(4) Fuel inlet port

(5) Check valves

(6) Fuel outlet port

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