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6-7-06 - Fifth Proof
5-7
Troubleshooting
• Idle speed adjusting screw
improperly set.
• See engine manual.
• Idle fuel adjusting needle
improperly set (some
models).
• See engine manual.
• Low compression.
• See engine manual.
• Restricted fuel tank cap vent. • Open vent on fuel tank cap.
• Engine overheated-cooling
system/air circulation
problem.
• Clean cooling fins and
remove any debris from
around engine.
Engine Overheats
• Air intake/grass screen,
cooling fins, or cooling
shrouds clogged.
• Clean cooling fins and
remove any debris from
around engine.
• Excessive engine load.
• Reduce load on engine.
• Low crankcase oil level.
• Add engine oil.
• High crankcase oil level.
• Drain engine oil and replace
with proper quantity.
• Faulty carburetor.
• See engine manual.
• Lean fuel mixture.
• See engine manual.
• SMART-SPARK™
malfunction (applicable
models).
• See engine manual.
Engine Knocks
• Excessive engine load.
• Reduce engine load.
• Low crankcase oil level.
• Add engine oil.
• Old or improper fuel.
• Drain fuel system and
replace with fresh, clean fuel.
• Internal wear or damage.
• See engine manual.
• Hydraulic lifter malfunction.
• See engine manual.
• Quality of fuel.
• Drain fuel system and
replace with fresh, clean fuel.
• Incorrect grade of oil.
• Drain engine oil and replace
with proper grade of oil.
Problem
Possible Causes
Corrective Action
Содержание BOXER 427 Operators
Страница 2: ...6 7 06 Fifth Proof...
Страница 6: ...6 7 06 Fifth Proof iv Mertz Manufacturing LLC P O Box 150 Ponca City OK 74602 Affix Stamp Here...
Страница 8: ...6 7 06 Fifth Proof vi...
Страница 18: ...6 7 06 Fifth Proof 1 8 Safety Precautions...
Страница 31: ...6 7 06 Fifth Proof 3 5 Pre Start Inspection and Operation Figure 3 4 Lubrication Points 2128...
Страница 52: ...6 7 06 Fifth Proof 3 26 Pre Start Inspection and Operation...
Страница 74: ...6 7 06 Fifth Proof 4 22 Routine Service and Maintenance...
Страница 85: ...6 7 06 Fifth Proof...