Nilfisk-Advance 7765 Service Manual page 143

Service Manual – Advance 7765 / Nilfisk CR1500
Rear Wheel Motor in Forward or Reverse
When the engine is running and the foot pedal is moved to either the forward or reverse position, the
sends oil to the
Pump Rear Wheel Motor
in the regulates the direction and volume of oil the
Drive Pump
control the machine direction and speed.
The direction in which the foot pedal moves the swash plate in the
direction. The distance to which the foot pedal moves the swash plate in the
speed.
The control the oil flow to the
Check Valves
goes to the
Motor Return Block
Return Block
Vonberg
Check Valve
120 psi
Rear
Wheel
15.4 CIR
Motor
Return Block
Vonberg
Check Valve
120 psi
Rear
Wheel
15.4 CIR
Motor
to drive the machine in the corresponding direction. The swash plate
Drive Pump
.
Relief
Valve
2200
RPM
1.24 CIR
Drive
Pump
Relief
Valve
2200
RPM
1.24 CIR
Drive
Pump
sends to the
Drive Pump
Drive Pump
Drive Pump
charge circuits. The case drain from the
Check
Valve
Tow
(bypass)
Valve
Relief
Check
Valve
Valve
Check
Valve
Tow
(bypass)
Valve
Relief
Check
Valve
Valve
Wheel System, Traction
Drive
Rear Wheel Motor
controls the machine
controls the machine
Rear Wheel
From Main
Broom Motor
From Main
Broom Motor
248
to