Nilfisk-Advance Condor XL, Руководство по обслуживанию

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Note: When servicing the hydrostatic drive system, always check for any machine creeping
(movement) when the machine is in neutral with the engine running. The machine must not
move either forward or reverse after the foot pedal is released. If machine creeps in neutral,
or if you replace the
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, pedal cable or
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, you will need to
set the hydrostatic drive neutral position, then recalibrate the neutral deadband setting.
1. Empty and remove the recovery tank to access the
Hydroback Adjuster Plate
.
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2. Block the rear wheels.
3. Jack up the front of
the machine until the
front drive wheel is off
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4. Place supports at the
front corners of the
machine.
5. Start the engine and
observe the direction
of the drive wheel
rotation.
6. Loosen the two
5/16”-
18 Hex Head Screws
holding the
Hydroback
Adjuster Plate
to the
chassis.
7. Loosen the jam nut and turn the
Adjustment Screw
clockwise or counterclockwise to move the
Hydroback
Adjuster Plate
and
Hydroback Centering Unit
as required to stop any wheel movement. The
Piston Pump
Lever Weldment
on the
Piston Pump
is now in the neutral position.
8. Tighten the two
5/16”-18 Hex Head Screws
to secure the
Hydroback Adjuster Plate
to the chassis.
9. Tighten the jam nut on the
Adjustment Screw
.
10. Test the neutral adjustment by activating the foot pedal in both forward and reverse, then letting the
foot pedal return to the neutral position.
11. Readjust the
Hydroback Adjuster Plate
neutral position if the neutral setting is not repeatable. If you can’t
get a repeatable neutral position, replace the
Hydroback Centering Unit
and/or
Push/Pull Control Cable
as
necessary.
Hydroback
Centering
Unit
Push/Pull
Control
Cable
Piston Pump
Lever
Weldment
Piston
Pump
Rotary
Sensor
Hydroback
Adjuster
Plate
Adjustment
Screw
5/16”-18 Hex
Head Screw (2)