Husqvarna Z1-9 Collection System 968999196 - Manual (Page 14)

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PROBLEM POSSIBLE CAUSE CORRECTION
Engine Does Not Start. 1. Spark plug wire disconnected. 1. Reconnect wire.
2. Engine ON/OFF switch in OFF position. 2. Put switch in ON position.
3. Fuel tank empty.
3. Add gasoline.
4. Stale gasoline. 4. Drain gasoline and add fresh
gasoline.
5. Dirty air filter. 5. Clean or replace.
Engine Runs Poorly. 1. Bad spark plug. 1. Inspect spark plug.
2. Dirty air filter. 2. Clean or replace.
3. Incorrect choke setting. 3. Put choke in correct setting.
4. Stale gasoline. 4. Drain gasoline and add fresh
gasoline.
5. Dirt or water in fuel tank. 5. See engine service dealer.
Engine Overheats. 1. Carburetor out of adjustment. 1. See engine service dealer.
2. Oil level is low. 2. Check and add oil.
Loss of Vacuum. 1. Vacuum inlet clogged. 1. Remove hose and clean inlet.
2. Container full. 2. Inspect and empty.
3. Engine not reaching full RPM. 3. See “Engine Runs Poorly”
above.
4. Fan blades bent or broken. 4. Replace/repair impeller.
Unusual vibration 1. Solid object jammed in unit. 1. Check and remove any
or noise. obstruction.
2. Engine crankshaft 2. See engine service dealer.
bent or damaged.
3. Loose engine mounting bolts/nuts.
3. Tighten bolts/nuts.
4. Loose or missing bolts on unit. 4. Tighten or replace bolts.
5. Engine shaft bearings damaged. 5. See engine service dealer.
6. Impeller bent or damaged. 6. Repair/replace impeller.
Unit difficult to close. 1. Door too tight. 1. Adjust arm tightness
2. Obstructions keeping door from 2. Clear obstructions.
completely closing.
Door doesn’t shut tightly. 1. Door tightness not adjusted correctly. 1. Adjust arm tightness
SERVICE AND MAINTENANCE
Trouble Shooting Guide
DANGER
Before servicing unit, wait for all moving parts
to come to a complete stop. Turn engine off
and remove the spark plug wire.