D399, G399, D398, G398, D379, G379 ENGINES Caterpillar


Fresh And Auxiliary Water Pumps; (4L8800, 6L8983, 6L4754, 2N955 And 7L3222)

Usage:




(Fresh Water Pump Illustrated)

(1) Torque for impeller nut ... 55 lb. ft.(7,6 mkg)

(2) Clearance between impeller and cover ... .005-.020 in.(0,13-0,50 mm)

(3) Torque for pulley nut (fresh water pump only) ... 100 lb. ft.(13,8 mkg)

(4) Bore in bearing ... 1.248-1.249 in.(31,70-31,72 mm)

Maximum permissible bearing clearance ... .008 in.(0,20 mm)

(5) Diameter of pump shaft ... 1.245-1.246 in.(31,62-31,65 mm)

(6) Shaft end clearance ... .002-.006 in.(0,05-0,15 mm)

Maximum permissible end clearance of shaft ... .009 in.(0,22 mm)

Caterpillar Information System:

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D399, G399, D398, G398, D379, G379 ENGINES Starting Motors
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D399, G399, D398, G398, D379, G379 ENGINES Alternator Regulators
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D399, G399, D398, G398, D379, G379 ENGINES Prelube Pump Motor; (Later Type)
D399, G399, D398, G398, D379, G379 ENGINES Prelube Motor Relay; (Later Type)
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D399, G399, D398, G398, D379, G379 ENGINES Cylinder Block
D399, G399, D398, G398, D379, G379 ENGINES Piston And Rings
D399, G399, D398, G398, D379, G379 ENGINES Connecting Rod
D399, G399, D398, G398, D379, G379 ENGINES Cylinder Head
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