Nilfisk-Advance 7765 Service Manual page 145

Service Manual – Advance 7765 / Nilfisk CR1500
Maintenance and Adjustments
Warning! Before performing any machine maintenance or adjustments (other than the
Hydroback adjustment), make sure the key switch is off, the key is removed from the
machine and the parking brake is engaged.
Lubrication
• Grease the above the steering rack every 100 hours of operation.
Fitting
• Lubricate the drive wheel, swivel wheel bearings and steering rack guide (engine side above rear wheel).
Hydroback Adjustment
1. Jack up the rear of the
machine to get the drive wheel
up off the ground.
2. Install safety blocks or stands
to support the rear of the
machine.
3. Start the engine and observe
the wheel rotation with the
engine idling. If the wheel
is rotating either forward or
reverse with the drive pedal
in the neutral position, adjust
the Hydroback as follows:
a. Loosen the two
3/8"-16
holding the
Screws
.
Arm Adjuster
b. Adjust the
3/8"-16 Adjusting
until the wheel stops
Screw
turning.
c. Tighten the two
.
Screws
Pintle
3/8"-16
3/8"-16
Screw (2)
Hydroback Adjustment (Gasoline/LPG)
Hydroback Adjustment (Diesel)
Wheel System, Traction
3/8"-16
Pintle Arm
Adjusting
Adjuster
Screw
3/8"-16
Screw (2)
Pintle Arm
Adjuster
3/8"-16
Adjusting
Screw
250