Troubleshooting - Craftsman 675 Series Operator's Manual

Before performing any type of maintenance/service, disengage all controls and stop the engine. Wait
until all moving parts have come to a complete stop. Disconnect spark plug wire and ground it against the
engine to prevent unintended starting. Always wear safety glasses during operation or while performing any
adjustments or repairs.
This section addresses minor service issues. To locate the nearest Sears Service Center or to schedule service, simply contact Sears
at 1-800-4-MY-HOME®.
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Engine fails to start
Engine running erratically/
inconsistent RPM (hunting or
surging)
Engine Overheats
Cylinder rod will not move
Will not split logs
Leaking Cylinder

TROUBLESHOOTING

WARNING
CAuSE
1. Spark plug wire disconnected.
2. Fuel tank empty or stale fuel.
3. Choke lever not in CHOKE position.
4. Faulty spark plug.
5. Blocked fuel line.
6. Dirty air cleaner.
1. Unit running with CHOKE applied (if so
equipped).
2. Spark plug wire loose.
3. Blocked fuel line or stale fuel.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
6. Carburetor not adjusted properly.
1. Engine oil level low.
2. Dirty air cleaner.
3. Carburetor not adjusted properly.
1. Broken drive shaft.
2. Shipping plugs left in hydraulic hoses.
3. Set screws in coupling not adjusted properly.
4. Loose shaft coupling.
5. Gear sections damaged.
6. Damaged relief valve.
7. Hydraulic lines blocked.
8. Incorrect oil level.
9. Damaged or blocked directional valve.
1. Reservoir fluid level low.
1. Broken seals.
2. Scored cylinder.
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1. Connect wire to spark plug.
2. Fill tank with clean, fresh gasoline.
3. Move choke to CHOKE position.
4. Service spark plug following instructions in the
Maintenance section.
5. Clean fuel line.
6. Service air cleaner following instructions in the
maintenance section.
1. Move choke lever to RUN position.
2. Connect and tighten spark plug wire.
3. Clean fuel line; fill tank with clean, fresh (less than
30 days old) gasoline.
4. Drain fuel tank. Refill with fresh fuel.
5. Clean or replace air cleaner.
6. Contact Sears service center.
1. Fill crankcase with proper oil.
2. Service air cleaner following instructions in the
maintenance section.
3. Contact Sears service center..
1. Return unit to Sears service center.
2. Disconnect hydraulic hoses, remove shipping plugs,
reconnect hoses.
3. See operator's manual for correct adjustment.
4. Correct engine/pump alignment as necessary.
5. Return unit to Sears service center.
6. Return unit to Sears service center.
7. Flush and clean hydraulic system.
8. Check oil level. Refill if necessary.
9. Return unit to Sears service center.
1. Refill transmission fluid.
1. Return unit to Sears service center.
2. Return unit to Sears service center.
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