Fuel Transfer Pump
Usage:
(1) Inlet check valve.
(2) Spring (7C5294)
Color code ... one brown stripe
Rate test:
a. Load spring to ... 100 N (22.5 lb)
b. Compress spring an additional ... 5 mm (.2 in)
c. Load must then be ... 162.5 ± 4.5 N (36 ± 1 lb)
d. Free length ... 40.96 mm (1.613 in)
(3) Piston assembly.
Piston diameter (new) ... 17.472 ± 0.008 mm (.6879 ± .0003 in)
Bore in sleeve for piston (new) ... 17.500 ± 0.008 mm (.6890 ± .0003 in)
(4) Outlet check valve.
(5) Piston check valve.
(6) Tappet diameter (new) ... 5.000 ± 0.005 mm (.1969 ± .0002 in)
Clearance between tappet diameter and bore in sleeve (new) ... 0.00635 ± 0.00381 mm (.00025 ± .00015 in)
(7) Cam.
(8) Fuel passage.
Caterpillar Information System:
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