68 S850 Operation & Maintenance Manual
HYDRAULIC CONTROLS (CONT’D)
Reversing Fan
This machine may be equipped with a Reversing Fan.
The function of the reversing fan is to clear dust and
debr
is from the rear grille. This is accomplished by
reversing the direction of the cooling fan for several
seconds.
The operator can select automatic or manual operation of
th
e reversing fan.
Figure 81
A
utomatic:
• Press the top of the Reversing Fan switch (Item 1)
[Figure 81] on the right switch panel to put the switch
into the middle position.
• The machine will reverse the fan automatically based
on fluid temperature as long as automatic operation is
selected.
Manual:
• Fully press the top of the Reversing Fan switch (Item
1) [Figure 81] on the right switch panel to perform
one reversing cycle.
• The switch will return to automatic operation when
released.
The top of the switch will light in
the Automatic and
Manual positions.
Press the bottom of the switch to disengage.
NOTE: To protect vital systems, the fan will not
reverse when fluid temperatures approach
overheating conditions. Cleaning or servicing
the cooling system may be required to
continue operation. (See Cleaning (Later
Models) on Page 132.)
Dealer Copy -- Not for Resale
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