Nilfisk-Advance 7765 Service Manual page 146

Service Manual – Advance 7765 / Nilfisk CR1500
Troubleshooting
Problem
The machine
"creeps" forward or
backward when the
foot pedal is in the
neutral position.
Specifications
Component Specifications
Component
Tire (rear) drive/steer
Rear Drive Wheel Motor
Drive Pump
Cause
The forward/reverse controls
are out of adjustment.
The cable or forward/
reverse controls are
damaged or dirty.
Specifications
Size 16 in x 6 in [406 mm x 152 mm]
Displacement
Shaft Rotation – Clockwise (as viewed from slot end)
Type – manually-variable displacement, axial piston
pump, tow valve included
Displacement – 1.24 CIR
Speed – 3600 RPM max.
Continuous pressure – 3000 psi [206.8 bar] max.
Relief Setting, Main Ports – 3500 psi [241.3 bar]
Correction
Adjust the forward/reverse controls and/or linkage so
the machine is stationary when the foot pedal is in
the neutral position.
Clean or replace the cable or forward/reverse
controls as necessary.
Standard Motor – 15.4 CIR
High-torque Motor – 19.8 CIR
Wheel System, Traction 251