FULLER & JOHNSON - Service Manuals
7 manuals available for download
FULLER & JOHNSON gasoline engines represent a historic lineage of reliable American industrial power equipment, engineered for farm and small machinery applications throughout the early 20th century. Our comprehensive collection of original service manuals, repair guides, and owner's manuals provides technicians and equipment owners with authentic technical documentation for restoring, maintaining, and troubleshooting these classic engines. Whether you need detailed workshop instructions, parts lists, or diagnostic guidance, our PDF downloads deliver the original manufacturer specifications and operating procedures essential for proper engine service and long-term reliability.
Fuller & Johnson Farm Pump Engine Manual
Instruction and parts manual for the Fuller & Johnson Farm Pump Engine. This workshop guide covers complete setup and operating procedures, cylinder and bearing lubrication schedules, engine starting and stopping sequences, and practical guidance for cold-weather operation. Also includes detailed throttle valve adjustment instructions and gasoline management best practices to keep the engine running smoothly. Form 385, published by Fuller & Johnson Mfg. Co., Madison, Wisconsin, established 1840. An essential service reference for owners and technicians maintaining these robust single-cylinder farm engines.
Model N 1.5 HP Gasoline Engine Operating Manual
Operating and maintenance manual for the Fuller & Johnson Model N 1.5 horsepower gasoline engine, featuring detailed repair procedures and original price list. Published October 10, 1923, this workshop manual covers foundation and installation, pre-starting inspection, valve maintenance and cleaning, ignition system examination and adjustment, proper lubrication schedules, water-cooled hopper operation, fuel tank setup, engine starting techniques, throttle control, governor adjustment, and valve timing specifications. Includes practical guidance on routine maintenance and operational best practices. Documents two engine mounting configurations: portable skid frame and iron sub-base installation. Essential reference for mechanics and equipment operators maintaining early small-horsepower stationary engines.
Model N 2.5 HP Gasoline Engine Operating Manual
Operating manual and repair pricing guide for the Fuller & Johnson 2.5 H.P. Model N gasoline engine, issued October 10, 1923. This workshop manual provides complete operating instructions covering engine foundation setup and correct location, detailed startup and running procedures, valve adjustment specifications, ignition timing and settings, proper lubrication practices, fuel tank preparation, water cooling system maintenance, and operational best practices for reliable performance. Technical diagrams illustrate the throttle valve, damper mechanism, suction tube, and check valve assembly, alongside a valve setting reference diagram to guide adjustment work. An essential service manual for owners and technicians maintaining this classic stationary engine.
Model N Gasoline Engines Instruction Manual
Instruction manual and parts price list for Fuller & Johnson Model N gasoline engines in 3, 5, 7, 9, and 12 horsepower ratings. This workshop manual covers complete operating instructions, engine installation procedures, and foundation design with detailed foundation plan (Figure 1), installation photographs (Figure 2), and dimensional specifications table for concrete foundation construction. Essential reference for setup, maintenance, and parts identification. Published by Fuller & Johnson Manufacturing Co., Madison, Wisconsin.
Model NB 4 & 6 HP Gasoline Engines Operating Manual (1927)
Operating manual and spare parts list for Fuller & Johnson Model NB 4 and 6 horsepower gasoline engines, originally issued in July 1927. Provides complete startup procedures covering foundation and engine location, fuel tank and water cooling system preparation, valve cleaning and adjustment, battery connections, and ignition settings with technical diagrams. Includes detailed instructions for engine starting and operation, throttle management, governor control, exhaust valve timing, exhaust piping configuration, and gear synchronization. Essential reference for owners and technicians servicing these classic single and twin-cylinder engines from the early gasoline engine era.
Model NB Gasoline Engines Operating Instructions (1925)
Operating instructions and spare parts list for Fuller & Johnson 4 H.P. and 6 H.P. Model NB gasoline engines, issued June 1, 1925. This workshop manual covers complete engine setup and commissioning, including starting procedures, operation under load, and proper shutdown sequence. Maintenance sections detail water-cooling hopper management, fuel tank filling and fuel quality, valve adjustment and seating procedures, exhaust valve operation, engine speed control through the governor mechanism, and timing gear alignment. Additional guidance addresses ignition timing and battery connections, exhaust piping installation, and established operating practices to ensure reliable performance. The spare parts list identifies replacement components for routine maintenance and wear items.
Model NC 3.5 HP Engine Operating Instructions
Operating instructions and spare parts list for Fuller & Johnson Model NC 3.5 horsepower gasoline engines. This workshop manual covers engine foundation and mounting location, complete starting procedure, throttle control operation, water cooling system maintenance and servicing, fuel tank specifications and capacity, magneto installation for the Type EK Wico system, ignition timing adjustment, and routine care instructions. Includes annotated technical diagram showing engine component layout and detailed magneto operation and maintenance procedures to keep your engine running reliably.