SECTION 7 - ENGINE
7.1
ENGINE TROUBLESHOOTING
The following troubleshooting chart is to be used to
isolate engine problems and give possible causes and
corrective action responses.
The troubleshooting key is generic and can be used for
several types of engines. Use only those possible
causes and corrective actions that apply to the unit.
ENGINE TROUBLESHOOTING
PROBABLE CAUSE
Poor compression
PROBLEM
CORRECTION
Black Exhaust
Repair per instructions in manufacturer’s manual
Use fuel recommended in manufacturer’s manual
Replace per instructions in manufacturer’s manual
Repair per instructions in manufacturer’s manual
Repair per instructions in manufacturer’s manual
Repair per instructions in manufacturer’s manual
Repair per instructions in manufacturer’s manual
Use oil recommended in manufacturer’s manual
Repair per instructions in manufacturer’s manual
Replace per instructions in manufacturer’s manual
Repair per instructions in manufacturer’s manual
Repair per instructions in manufacturer’s manual
Repair per instructions in manufacturer’s manual
Repair per instructions in manufacturer’s manual
Check connections to electric start (if applicable)
Incorrect grade of fuel
Leaking cylinder head gasket
Sticking valves
Worn cylinder bores
Pitted valves and seats
Broken, worn, or sticking piston rings
Incorrect grade of lubricating oil
Poor compression
Blue/White Exhaust
Leaking cylinder head gasket
Worn cylinder bores
Worn valve stem guides
Broken, worn, or sticking piston rings
Worn valve stems or guides
Low cranking speed
Difficult Starting
Controls not in correct operating position Reset controls
Blocked fuel feed line
Poor compression
Remove obstruction
Repair per instructions in manufacturer’s manual
Remove obstruction
Blocked fuel tank vent
Incorrect grade of fuel
Sticking valves
Use fuel recommended in manufacturer’s manual
Repair per instructions in manufacturer’s manual
Repair per instructions in manufacturer’s manual
Repair per instructions in manufacturer’s manual
Repair per instructions in manufacturer’s manual
Worn cylinder bores
Pitted valve stems and seats
Broken, worn, or sticking piston rings
Erratic Running
Controls not in correct operating position Reset controls
Blocked fuel feed line
Poor compression
Remove obstruction
Repair per instructions in manufacturer’s manual
Remove obstruction
Blocked fuel tank vent
Incorrect tappet adjustment
Sticking throttle/restricted movement
Overheating
Repair per instructions in manufacturer’s manual
Lubricate or replace
Allow to cool; determine cause
Sticking valves
Repair per instructions in manufacturer’s manual
Repair per instructions in manufacturer’s manual
Repair per instructions in manufacturer’s manual
Install new spark plugs
Broken, worn, or sticking piston rings
Broken valve spring
Bad spark plugs
7
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| Categories | Ariens Snow Blower Manuals, Snow Blower Manuals |
|---|---|
| Tags | Ariens 932045, Ariens 932046, Ariens 932047, Ariens 932048, Ariens 932311, Ariens 932312 |
| Download File |
|
| Document Type | Service Manual |
| Language | English |
| Product Brand | Ariens, Snow Blower |
| Document File Type | |
| Publisher | ariens.com |
| Wikipedia's Page | Ariens |
| Copyright | Attribution Non-commercial |
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