Product line:
Command / Command PRO
Engine type:
Air-cooled V-twin four-stroke gasoline engine
Application:
Riding mowers, zero-turn mowers, and other outdoor power equipment
Production years covered:
N/A - manual covers the model series, not a single year range
Target audience:
Professional technicians, small-engine repair shops, and DIY owners servicing equipment powered by the CH670/CH22
Purpose:
Factory-level service documentation for repair, maintenance, troubleshooting, and restoration work
Alternative to dealer service:
Enables in-house engine overhaul and diagnostics without dealership dependency
Content depth:
Complete teardown, rebuild, and specification data at engine-component level
Convenience:
Instant PDF download, searchable text, printable pages for shop use
Cost:
One-time purchase replaces repeated service visits for routine and major work
Manual type:
Full service and repair workshop manual
Coverage area:
Kohler Command Model CH670 CH22 22HP engine
Page count:
N/A - not specified in source listing
Delivery method:
Instant digital download after purchase
Binding:
Digital - no physical book shipped
Printing:
Print individual pages or sections as needed
General information:
Safety warnings, identification, and general engine data
Maintenance schedules:
Periodic service intervals and procedures
Fuel system:
Carburetor, fuel pump, and fuel line service
Lubrication system:
Oil pump, oil filter, and lubrication circuit
Cooling:
Air-cooling shrouds, flywheel fins, and cooling service
Ignition system:
Electronic ignition module, spark plugs, and timing
Charging system:
Stator, regulator/rectifier, and electrical output testing
Starting system:
Electric starter motor and starter solenoid service
Cylinder head and valves:
Disassembly, valve service, and reassembly specifications
Pistons and crankshaft:
Piston, ring, connecting rod, and crankshaft inspection and service
Camshaft and valve train:
Camshaft, lifters, and push rod procedures
Governor and throttle:
Governor adjustment and linkage setup
Exhaust:
Muffler and exhaust system removal and installation
Electrical schematics:
Wiring diagrams and electrical troubleshooting
Special tools:
Required and recommended service tool listings
Troubleshooting:
Symptom-based diagnostic charts and test procedures
Complete engine overhaul:
Step-by-step teardown, measurement, and rebuild instructions
Adjustments:
Valve clearance, carburetor, governor, and speed adjustments
Torque specifications:
Factory torque values for all fasteners
Clearances and tolerances:
Wear limits and measurement tables for machining decisions
Level:
Factory workshop level - written for trained technicians, usable by experienced DIY owners
Illustrations:
Exploded views, diagrams, and photos supporting each procedure
Parts information:
Component identification and exploded-view references for part location
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine model:
Kohler CH670 / CH22
Configuration:
V-twin, air-cooled, four-stroke gasoline
Valvetrain:
Overhead valve (OHV)
Displacement:
725 cc (approximately 44.2 cu in)
Fuel system:
Carbureted with integral or mechanical fuel pump
Fuel type:
Unleaded gasoline, 87 octane or higher
Governor:
Mechanical governor with adjustable linkage
Oil capacity:
N/A - consult manual specification tables for exact capacity
Duty rating:
Commercial-grade Command PRO series for heavy-duty equipment
Product type:
Portable engine for lawn and garden equipment
Wheelbase:
N/A - not applicable to an engine manual
Length:
N/A - not specified for this engine in the listing
Curb weight:
N/A - not specified for this engine in the listing
Host equipment fitment:
Dimensions depend on the specific mower or equipment chassis
Engine shutoff:
Key switch / stop switch ground circuit for ignition kill
Interlock support:
Compatible with host-equipment safety interlock wiring (seat, PTO, brake switches)
Manual safety content:
Safety warnings and precautions included at the start of each service section
Crash test ratings:
N/A - not applicable to stationary engines
Passive features:
Recoil/flywheel guards, muffler heat shielding, and debris screens per OEM design
Ignition:
Solid-state electronic ignition (magneto), no breaker points
Charging system:
Flywheel alternator stator with regulator/rectifier
Starting:
Electric start with solenoid; recoil start on some configurations
Governor control:
Mechanical governor for constant speed under load
Infotainment:
N/A - not applicable to an engine manual
Driver assistance:
N/A - not applicable to this product
Oil change:
Initial change after break-in, then per manual schedule (typically every 100 operating hours)
Oil filter:
Replace with oil change on filter-equipped models
Air filter:
Inspect regularly; replace per manual interval or when restricted
Spark plugs:
Inspect, gap, and replace per manual schedule
Valve clearance:
Check and adjust per manual procedure and interval
Cooling system:
Clean flywheel fins, shrouds, and cooling screens periodically
Fuel system:
Inspect lines and filter; clean carburetor as required
Engine oil:
Kohler-approved API service class oil per viscosity chart (10W-30 typical for general use)
Fuel:
Fresh unleaded gasoline; stabilizer recommended for storage
Common wear items:
Spark plugs, air filter, oil filter, fuel filter, starter brushes
Known issues:
Carburetor varnish from stale fuel and cooling fin clogging are typical service items
Brand and Model Background
Manufacturer:
Kohler Co. - Kohler, Wisconsin, USA; engine division founded 1920
Command series origin:
The Command line introduced overhead-valve twin-cylinder power for premium lawn and garden equipment
Command PRO line:
Commercial-duty evolution of the Command series for professional turf equipment
CH22 / CH670 role:
22 HP vertical-shaft V-twin used widely across riding mower and zero-turn brands
Production location:
N/A - specific plant for this model not specified
