Wisconsin VH4, VH4D Gas Engine Shop Service Manual



  • Covers Wisconsin VH4, VH4D 4 Cyl Air-Cooled Engine
  • 96 pages
  • Instant PDF Download
  • Searchable, printable
  • Compatible with Windows/Mac/Tablet

This manual covers service and overhaul of the Wisconsin VH4, VH4D 4 Cyl Air-Cooled Engine. It includes detailed specs, illustrations and service procedures to guide the mechanic with correctly repairing the engine to the manufacturer’s specifications. Also included are detailed parts lists and illustrations. This downloadable Wisconsin engine service manual is also known as the repair manual or workshop manual.

Wisconsin VH4, VH4D Gas Engine Shop Service Manual Contents:

Air Cleaner and Pre-Cleaner
Battery Ignition – Wiring and Timing Diagram
Bore, Stroke and Displacement
Carburetor Adjustment
Zenith Carburetor Repair
Clutch Adjustment
Clutch Reduction Unit
Compression – Restoring
Disassembly and Reassembly
Air Shrouding
Camshaft Gear
Carburetor and Manifold
Crankshaft (End Play)
Cylinder Block
Cylinder Head
Fuel Tank
Gear Cover
Idler Gear and Shaft
Oil Pan
Oil Pump
Piston Ring and Rod Clearance Chart
Piston Rings
Pistons and Connecting Rods
Distributor – Battery Ignition
Distributor and Generator Maintenance
Distributor Timing
Engine Sectional Views
Firing Order
Flywheel Alternator
Fuel Pump and Priming
Fuel Strainer
General Information and Design
Governor Adjustment
Governor – Operation
Ignition Switch
Ignition System
Illustration of Engine and Power Unit
Lubrication System
Lubrication System – Illustration
Magneto Breaker Point Adjustment
Magneto Ignition Spark
Magneto Repair
Magneto Timing Diagram
Magneto Timing
Neon Lamp Timing
Oil Filter
Oil Grade
Oil Pressure
Overheating, Keep Engine Clean
Parts List Section
Reduction Gears
Safety Precautions
Safety Switch – High Temperature
Service Station Directory- See Back of Manual
Spark Plugs
Starting and Operating Instructions
Starting and Operation of New Engine
Starting Procedure
Stopping Engine – Vapor Lock and Dieseling
Storage of Engine for Winter
Testing Rebuilt Engine
Troubles -Causes and Remedies
Backfiring Through Carburetor
Starting Difficulties
Surging or Galloping
Valve Tappets
Warm-Up Period – Overspeeding


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