Pump Release Valves - Husqvarna MZ25 / 968999780 Operator's Manual

Pump release valves

IMPORTANT INFORMATION
Tighten the valve moderately.
Do not overtighten the valve when closing.
That can damage the valve seat.
Pump release valves are located at the front and rear
of the pump. They are used to release the system
so the machine may be moved by hand when not
running. Tilt seat forward to gain access to the pump.
The rear bypass valve sits directly opposite the front
valve, below the seat support. It is not visible in the
illustration.
Use a 17 mm open end wrench or socket and ratchet.
Turn the outer locknut 2-3 turns. Using an 8mm
wrench or socket, turn the inner nut one turn.
Reverse the procedure to reset the pump.
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OPERATION
Pump release valve
8011-507
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