Lit. No. 44227, Rev. 10
11
June 1, 2008
44600-1, 44650-1, 44675-1, 44685-1, 44695-1, 44775-1, 44785-1, 44795-1
FILLING HYDRAULIC UNIT
1. Attach the snowplow to the
vehicle according to the
instructions on the headgear.
2. With snowplow in retract
(vee) position and lift
ram fully retracted,
fi
ll the
reservoir with FISHER
®
EZ Flow Hydraulic
Fluid to –40°F (–40°C), or
other
fl
uid conforming to
Military Speci
fi
cation MIL-H-5606A, such as Mobil
Aero HFA or Shell AeroShell
®
Fluid 4. Replace
fi
ll
plug.
NOTE: Add
fl
uid only when all rams are retracted.
3. Turn control ON and completely extend and retract
the driver-side wing several times. With all rams
fully retracted, turn control OFF.
4. With the lift ram fully retracted,
fi
ll the reservoir
with hydraulic
fl
uid. Replace
fi
ll plug.
NOTE: Remove
fi
ll plug slowly to relieve any
pressure in reservoir.
5. Repeat steps 3 and 4 for the passenger-side wing.
6. Turn control ON and raise and lower snowplow
several times. Activate control FLOAT function and
manually collapse lift ram all the way after each
lowering of blade. With all rams fully retracted,
turn control OFF.
7. Fill reservoir to top of
fi
ll hole and replace
fi
ll plug.
WARNING
Keep 8' clear of the blade drop zone when it is
being raised, lowered or angled. Do not stand
between the vehicle and blade or directly in
front of blade. If the blade hits you or drops
on you, you could be seriously injured.
WARNING
To prevent accidental movement of the
blade, always turn the ON/OFF switch to OFF
whenever the snowplow is not in use. The
control indicator light will turn off.
CAUTION
Do not mix different types of hydraulic
fl
uid.
Some
fl
uids are not compatible and may
cause performance problems and product
damage.
CAUTION
DO NOT raise blade at this time as this may
cause pump cavitation.
Fill
Plug
Drain
Cap
FLUID CAPACITY
•
Insta-Act
®
Unit Reservoir
1-3/4 quarts
•
Insta-Act System Total
2-3/8 to 2-3/4 quarts
AeroShell
®
is a registered trademark (
®
) of Shell Oil Company.
