CASE 4-390, 4T390 and 4TA-390 Engine Service Manual (7-91612)

CASE 4-390, 4T390 and 4TA-390 Engine Service Manual

The CASE 4-390, 4T390 and 4TA-390 Engine Service Manual (Publication No. 7-91612) is a detailed technical guide designed for full servicing and overhaul of these CASE engine models. It provides precise specifications, torque values, diagnostic procedures, and step-by-step repair instructions for all engine components including pistons, crankshafts, turbochargers, fuel systems, and valve assemblies. Ideal for professional mechanics and equipment technicians working with agricultural or construction applications.

Model Covers:

CASE 4-390 Engine
CASE 4T390 Engine
CASE 4TA-390 Engine

File Format: PDF

Size: 64.55 MB

No. of pages: 343

Language: English

Delivery Method: Instant Download – Access your file immediately after purchase.

📑 Table of Contents Overview:

General Specifications and Torque Charts

• Torque specs for decimal, metric hardware, and hydraulic fittings
• General service notes and engine identification marks

Engine Service and Components

• Run-in procedures for rebuilt engines with or without dynamometer
• Detailed service for crankshaft, pistons, cylinder block, and head
• Turbocharger maintenance and valve train servicing
• Specifications for camshaft, valve springs, rocker arm, and gears

Fuel System

• Fuel filter replacement and system bleeding procedures
• Lift pump service and primer pump testing (diaphragm and piston types)
• Support for CAV and Bosch Model A injection pump configurations

The CASE 4-390, 4T390 and 4TA-390 Engine Service Manual is a must-have for any technician performing diagnostics, rebuilds, or scheduled maintenance on these high-performance diesel engines.