STIHL 028 and 038 Chainsaw Service Manual

STIHL 028 and 038 Chainsaw Technical Documentation

• Covers 1979–2007 STIHL 028 and 038 chainsaw variants, including AV, AVQ, AVE, and AVEQ electronic ignition, Quickstop, and standard configuration models
• Original OEM publication 1118-080-1805, documenting technical specifications, component construction, and maintenance intervals for professional and owner service
• Contains 12 detailed troubleshooting charts covering engine, clutch, ignition, oil pump, and carburetor systems
• Accessible from your device as soon as the order is placed
• Indexed PDF search covers every chapter and appendix
• Detailed cross-sectional diagrams and exploded-view illustrations for all major engine and drivetrain assemblies
• Technical specifications section details tolerances for bore, stroke, compression ratios, and torque values for assembly
• This 149-page manual serves as the primary technical reference for the 1118-series chainsaw build, providing exact adjustment values for ignition timing, carburetor settings, and leakage testing thresholds

Engine and Component Documentation

This 149-page STIHL 028 and 038 chainsaw manual provides in-depth technical documentation for the complete engine assembly, including the two-part, drop-forged crankshaft and cylinder block. The service manual outlines the construction of the ignition systems, including breaker-controlled and transistor-controlled modules, with specific diagnostic procedures for testing primary and secondary windings. Documentation for the oil pump and chain brake systems is provided, covering the operation of the centrifugal clutch and the automatic oil delivery mechanism. Detailed exploded-view diagrams illustrate every component for reassembly reference.

Precision Technical Data Preview

Engine maximum torque is documented at 2.65 Nm at 6000 rpm. Magneto edge gap is specified at 4–8 mm for breaker-controlled systems. Intake valve control lever adjustment is critical for carburetor function. Crankcase leakage test pressure for the STIHL 028 is specified at 0.5 bar. High-speed adjustment screw settings are documented at approximately 1 1/4 turns open. Cylinder base screw torque is 7.8 Nm. The manual covers what an OEM service publication includes for these models. Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. This 149-page STIHL OEM service manual covers the 1979–2007 028 and 038 series, providing technical data for the engine, chassis, fuel, and ignition systems to support maintenance and component assembly.

Document Reference: 1118-080-1805