83 S650 Operation & Maintenance Manual
HYDRAULIC CONTROLS (CONT’D)
High-Flow Hydraulics Operation
This machine may be equipped with High-Flow
Hydraulics.
Figure 88
The High-Flow function provides additional hydraulic oil
flow to the system to operate an attachment which
requires more hydraulic flow. (EXAMPLE: High-Flow
Planer)
Connect the attachment to the front quick couplers (Item
1) [Figure 88].
Some attachments may have a case drain which needs
to be connected to the small quick coupler (Item 2)
[Figure 88].
Activate the auxiliary hydraulics.
Figure 89
Press the HIGH FLOW button (Item 1) [Figure 89] to
activate high flow auxiliary hydraulics operation.
The light (Item 2) [Figure 89] will be ON.
To deactivate the high flow auxiliary hydraulics operation,
press the HIGH FLOW button (Item 1) [Figure 89] again.
The light (Item 2) [Figure 89] will be OFF.
Quick Couplers
WARNING
AVOID INJURY OR DEATH
Diesel fuel or hydraulic fluid under pressure can
penetrate skin or eyes, causing serious injury or
death. Fluid leaks under pressure may not be visible.
Use a piece of cardboard or wood to find leaks. Do
not use your bare hand. Wear safety goggles. If fluid
enters skin or eyes, get immediate medical attention
from a doctor familiar with this injury.
W-2072-EN-0909
Figure 90
To Connect: Remove dirt or debris from the surface of
both the male and female couplers, and from the outside
diameter of the male couplers. Visually check the
couplers for corroding, cracking, damage or excessive
wear. If any of these conditions exist, the coupler(s)
[Figure 90] must be replaced.
Install the male couplers into the female couplers. Full
connection is made when the ball release sleeves slide
forward on the female couplers.
To Disconnect: Hold the male couplers. Retract the
sleeves on the female couplers until the couplers
disconnect.
WARNING
AVOID BURNS
Hydraulic fluid, tubes, fittings and quick couplers
can get hot when running machine and attachments.
Be careful when connecting and disconnecting quick
couplers.
W-2220-0396
P-85281
1
2
P-76460C
1
2
P-85281A P-90614B
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