Service Manual

3. TROUBLESHOOTING AND TEST PROCEDURES
This section has been divided into the troubleshooting and service of individual systems. To
determine what system needs to be evaluated, some preliminary troubleshooting is necessary.
These are checks that can be made with little or no disassembly and would normally be made with
the customer or owner present.
The following form is useful in documenting engine conditions during preliminary troubleshooting:
PRELIMINARY TROUBLESHOOTING
PRODUCT
CUSTOMER NAME
MODEL/SERIAL
ADDRESS
ENGINE MODEL
ENGINE SERIAL
~___.- PHONE
DISTRIBUTORp- DEALER NAME
EVALUATOR DEALER CONTACT/PHONE
PRE-EVALUATION INFORMATION
Purchase Date Date Failed How Used? Residential Commercial
Fuel Mix: Ratio OiVBrand Gasoline/Brand
Symptoms Prior
to Failure?
Engine Compressions? N/A---. PSI ___Compression Specification
PSI
VISUAL ANALYSIS
COOLING FINS: CARBURETOR: FUEL CAP: MUFFLER/EXHAUST PORTS:
Clean Clean- Vented Clean-- Carboned-
Obstructed Contaminated Clogged CRANKCASE: Clean
AIR CLEANER ASM: Comments Distorted Contaminated Burned-
Clean FUEL FILTER: SPARK PLUG: Clean- METAL DISCOLORATION?
Dirty Clean Carboned Fouled- NO---.--
Damaged Clogged Type Yes
10