Nilfisk-Advance 7765 Service Manual page 21

Service Manual – Advance 7765 / Nilfisk CR1500
• The
Cylinder Control
controls the
Valve
oil flow to the scrub
deck cylinder and
squeegee deck
cylinder.
Return Block/Manifold
The
Return Block
(called the "Return
Manifold" in the Parts
List) collects the oil
from the various
hydraulic machine
components and
directs it back into the
reservoir.
To Rear Case Drain
Port on Reservoir
From Side
Broom Valve
To Reservoir
From Case Drain on
Rear Wheel Motor
From Case Drain on
Main Broom Motor
and Drive Pump
From Front Port on
Hopper Lift Cylinder
From Port "T1" on
Main Control Valve
To Charge Circuit
on Drive Pump
Front
Cylinder
Control Valve
To Lower Port on
Scrub Deck Cylinder
From Port "T" on
Power Steering Unit
From Drive
Pump
Hydraulic System
To Lower Port on
Squeegee Deck Cylinder
To Upper Port on Scrub
Deck Cylinder
To Upper Port on
Squeegee Deck Cylinder
From Rear
Oil Cooler
Vonberg
Check
Valve
Return
Block
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