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


Turbocharger
(Schwitzer) (4HD857, 4MD455, 4ME435, 4HD755 And 4HF845)

Usage:




Typical Illustration

Torque for exhaust elbow to turbocharger clamp bolts ... 10 ± 2 lb. ft.(1,4 ± 0,3 mkg)

(1) Shaft end clearance ... .004-.006 in.(0,10-0,15 mm)

Maximum permissible shaft end clearance ... .008 in.(0,203 mm)

(2) Torque for thrust bearing bolts ... 60 lb. in.(69,1 cm.kg)

(3) Thickness of each thrust ring ... .099-.100 in.(2,51-2,54 mm)

(4) Diameter of shaft bearing journal ... .6862-.6865 in.(17,429-17,437 mm)

Bore in bearing ... .6880-.6883 in.(17,475-17,482 mm)

(5) Maximum permissible ring seal gap (worn) ... .009 in.(0,228 mm)

Maximum permissible ring seal groove (worn) ... .068 in.(1,727 mm)

Minimum permissible ring seal width (worn) ... .062 in.(1,574 mm)

(6) Torque for impeller nut ... 30 lb. ft.(4,1 mkg)

(7) Diameter of housing bore ... 1.0628-1.0633 in.(26,995-27,008 mm)

Bearing outside diameter ... 1.0585-1.0590 in.(26,886-26,898 mm)

(8) Width of sleeve ring seal groove ... .128-.130 in.(3,25-3,30 mm)

Side clearance between two ring seals and sleeve groove ... .002-.006 in.(0,05-0,15 mm)

(9) Clearance between housing and impeller ... .018-.022 in.(0,46-0,55 mm)

(10) Torque for band clamp ... 120 lb. in.(138 cm.kg)

(11) Thickness of thrust bearing ... .225-.226 in.(5,72-5,74 mm)

(12) Torque for turbine housing bolts ... 17 lb. ft.(2,4 mkg)

(13) Torque for turbocharger mounting nuts ... 36-44 lb. ft.(5,0-6,1 mkg)

Retighten after engine test to ... 36-44 lb. ft.(5,0-6,1 mkg)

Caterpillar Information System:

D399, G399, D398, G398, D379, G379 ENGINES Front Accessory Drive
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D399, G399, D398, G398, D379, G379 ENGINES Cylinder Liner
D399, G399, D398, G398, D379, G379 ENGINES Crankshaft
D399, G399, D398, G398, D379, G379 ENGINES Service Meter
D399, G399, D398, G398, D379, G379 ENGINES Camshaft And Timing Gears
D399, G399, D398, G398, D379, G379 ENGINES Valve Rocker Arms And Lifters
D399, G399, D398, G398, D379, G379 ENGINES Valve Guide And Seat Inserts
D399, G399, D398, G398, D379, G379 ENGINES Valves
D399, G399, D398, G398, D379, G379 ENGINES Oil Pump<BR> (Single Section 6L5993, 2N2883, 7L2604, 6L8915 And 6L3553)
D399, G399, D398, G398, D379, G379 ENGINES Lubricating Oil Pressure Regulating Valve
D399, G399, D398, G398, D379, G379 ENGINES Oil Pump<BR> (Two Section 5L3022)
D399, G399, D398, G398, D379, G379 ENGINES Turbocharger Lubrication Valve
D399, G399, D398, G398, D379, G379 ENGINES Alternators<BR> 5L1243 (32V-Delco-Remy Number 1117074)
D399, G399, D398, G398, D379, G379 ENGINES Generators<BR> 5L5750 (12V-35A-Delco-Remy Number 1105148)
D399, G399, D398, G398, D379, G379 ENGINES Magnetic Switch<BR> 9F3099 (24V-Delco-Remy Number 0001481)
D399, G399, D398, G398, D379, G379 ENGINES Generator Regulator<BR> 5L4599 (12V-35A-Delco-Remy Number 1119168)
D399, G399, D398, G398, D379, G379 ENGINES Alternator Regulators
D399, G399, D398, G398, D379, G379 ENGINES Oil Pressure Switches
D399, G399, D398, G398, D379, G379 ENGINES Starting Motors
D399, G399, D398, G398, D379, G379 ENGINES Starter Solenoids
D399, G399, D398, G398, D379, G379 ENGINES Ignition System
D399, G399, D398, G398, D379, G379 ENGINES Magneto Drive
D399, G399, D398, G398, D379, G379 ENGINES Differential Pressure Regulator<BR> (7S7810)
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