Nilfisk-Advance 7765 Service Manual page 142

Service Manual – Advance 7765 / Nilfisk CR1500
Tow Valve in Bypass Position
When the engine is off, the
rear wheel. The machine is equipped with a
machine.
When the is rotated to the bypass (open) position, the oil is free to flow to and from the
Tow Valve
through the
Motor Tow Valve
Information/Towing or Pushing the Machine
Note that while only one drive wheel direction is shown in the drawing below, the
same when the drive wheel is moved in either forward or reverse.
Return Block
Vonberg
Check Valve
120 psi
Rear
Wheel
15.4 CIR
Motor
acts like a hydraulic pump and makes it difficult to rotate the
Rear Wheel Motor
Tow Valve
when the rear wheel is rotated, bypassing the
subsection in this manual.)
Relief
Valve
2200
RPM
1.24 CIR
Drive
Pump
to eliminate this problem when towing or pushing the
Drive Pump
Check
Valve
Tow
Valve
(open)
Relief
Check
Valve
Valve
Wheel System, Traction
Rear Wheel
. (Refer to the
General
functions the
Tow Valve
From Main
Broom Motor
247