Husqvarna PZ6029D Owners Manual - Page 56

Problem, Cause, Hydraulic drive leaks oil.

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troubleshooting guide Problem Engine overheats. Battery not charging. Machine moves slowly, unevenly, or not at all. Cause • Clogged debris screen or radiator fins. • Engine overloaded. • Electric fan not functioning. • Poor ventilation around engine. • Blown fuse for electric fan. • Defective engine speed regulator. • Engine alternator belt damage (broke or slipping) • Too little or no oil in the engine. • Low coolant • Poor contact with battery terminal cable connectors. • Charging lead is disconnected. • Alternator not charging. • 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. Hydraulic drive leaks oil. • Drive belt for the mower deck has come loose. • Contact for the electromagnetic coupling has loosened. • The blade switch is faulty or has come loose, from the cable contact. • The fuse has blown. • Low oil pressure, high water temperature. • 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. • The grass is too long. • Grass collected under the mower deck. 56

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TROUBLESHOOTING GUIDE
56
Problem
Cause
Engine overheats.
•
Clogged debris screen or radiator fins.
•
Engine overloaded.
•
Electric fan not functioning.
•
Poor ventilation around engine.
•
Blown fuse for electric fan.
•
Defective engine speed regulator.
•
Engine alternator belt damage (broke or slipping)
•
Too little or no oil in the engine.
•
Low coolant
Battery not charging.
•
Poor contact with battery terminal cable
connectors.
•
Charging lead is disconnected.
•
Alternator not charging.
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.
•
The blade switch is faulty or has come loose, from
the cable contact.
•
The fuse has blown.
•
Low oil pressure, high water temperature.
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.
•
The grass is too long.
•
Grass collected under the mower deck.