1969-1979 International Cub 154, 184 & 185 Lo-Boy Tractor and Mower Service Manual
Diagnostic procedures and component service for your International Cub Lo-Boy tractor, covering engine removal, installation, and detailed component repair. Ref: GSS-1408
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Sample pages from the 1969-1979 International Cub 154, 184 & 185 Lo-Boy Tractor and Mower Service Manual manual
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Models Covered & Key Technical Specifications
1969-1979 International Cub 154, 184 & 185 Lo-Boy Tractor and Mower Service Manual
Covers your Lo-Boy tractor with detailed service information for engine, components, and troubleshooting.
- Engine Specifications: 59.5 cubic inches displacement, 7.5:1 compression ratio, 16° BTDC high idle ignition timing.
- Valve Specifications: .015 inch cold valve lash, 45-1/2 degree valve refacing angle.
- Connecting Rod Specifications: 1.625 + .025 inches bearing OD and spread, .002 - .003 inch rod bearing running clearance.
- Piston Specifications: 2.6230 - 2.6234 inches piston diameter, 3 rings per piston.
- Crankshaft Specifications: 1.623 - 1.624 inches main journal diameter, .004 - .008 inch thrust bearing side clearance.
- Timing Gear Specifications: 36 teeth camshaft gear, 90 ft. lbs. idler shaft retainer bolt tension.
Professional Workshop Service Manual & Technical Specifications
Commercial Calibration Training Manual: Tractor Service Manual for International Cub 154, 184 and 185 Lo-Boy Tractors and Mowers 1969-1979 Overhaul-Reference
Product-Line: Tractor // Repair-Classification: Engine & Drivetrain Logic // Operational-Scope: Service Procedures. The documentation provides guidance on:
Engine
Specifications Engine Removal Engine Installation
Cylinder Head
Valves Connecting Rods, Pistons and Piston Rings Crankcase Cylinder Re-Boring Procedure Timing Gear Train and Front Cover
Camshaft
Crankshaft and Main Bearings Lubricating Oil Pump Cooling System Trouble Shooting Tune-Up
Carburetor
Specifications General Description Carburetor Operation Liquid Level Check (Carburetor on Engine) Removal and Installation of Carburetor Inspection and Repair Diagnosing Engine Troubles Fuel System Conditions Affecting Power Loss Fuel System Conditions Affecting Fuel Economy Principles of Operation Governor Removal, Inspection and Repair Adjustments
Main Clutch Shaft and Engine Clutch
154 & 185 Tractors (Below Serial No. U018709) 154 & 185 Tractors (Above Serial No. U018709) 184 Tractor Adjustments
Transmission and Differential
Specifications Transmission Countershaft spacer lengths Differential General
Creeper Drive (154 & 185 Tractors)
Removal Disassembly Inspection and Repair Reassembly
Creeper Drive (184 Tractor)
Removal Installation
Final Drive and Brakes
Specifications Final Drive Rear Axles Differential Shafts Brakes Brake Adjustment - Single Pedal Brakes Brake Adjustment - Two Pedal Brakes
Independent Power Take-Off and Mower
154 & 185 Tractors Checks Before Removal Removal Disassembly Inspection and Repair Reassembly and Installation IPTO Adjustments 184 Tractor Electric IPTO Clutch and Drive Shaft Assembly Drive Belt Replacement MOWER Mower Spindle Assembly Drive Belt Tension Blade Care
Hydraulic Lift and Three-Point Hitch
CONTENTS Specifications Hydraulic Lift Checking the Hydraulic System Hydraulic Pump Control Valve Circuit Relief Valve Hydraulic Cylinder (Cessna) Hydraulic Cylinder (IH) Three-Point Hitch Removal Adjustments Lift Links and Leveling Screws Hitch Upper Link
Electrical
CONTENTS SPECIFICATIONS 154 & 185 TRACTORS Motor Generator Voltage Regulator Distributor Electric PTO Clutch WIRING DIAGRAM 154 & 185 TRACTORS SAFETY STARTING CIRCUIT SPECIFICATIONS 184 TRACTOR WIRING DIAGRAM SAFETY STARTING CIRCUIT RESISTOR UNIT This manual details procedures for the disassembly, inspection, repair, and reassembly of various tractor components. Structured guidance covers engine systems, fuel delivery, lubrication, cooling, ignition, and more. It documents torque specifications for cylinder head installation to ensure proper seal compression uniformity.
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