Husqvarna MZ 52 Owners Manual - Page 50
Problem, Cause, Fuse has blown
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TROUBLESHOOTING GUIDE Problem Cause Machine vibrates • Blades are loose • Blades are incorrectly balanced • Engine is loose Engine overheats • Clogged air intake or cooling fins • Engine overloaded • Poor ventilation around engine • Defective engine speed regulator • Too little or no oil in the engine • Fouled spark plug Battery not charging • Poor contact with battery terminal cable connectors • Charging lead is disconnected • Fault in engine charging system Machine moves slowly, unevenly, or not at all • Parking brake on • Bypass valve on pump open • Drive belt for the transmission gears slack or has come off • Air in hydraulic system Mower deck not engaging • Drive belt for the mower deck has come loose • Contact for the electromagnetic coupling has loosened • Blade switch is faulty or has come loose from the cable contact • Fuse has blown Hydraulic drive leaks oil • Damaged seals, housing, or gaskets • Air trapped in hydraulic system Uneven mowing results • Unequal tire pressure on the left and right sides • Bent blades • Suspension for the mower deck is uneven • Blades are dull • Driving speed too high • Grass is too long • Grass collected under the mower deck 50