Lit. No. 85309, Rev. 03 9 July 15, 2020
INSTALLATION INSTRUCTIONS
HYDRAULIC UNIT
The hydraulic unit comes from the factory
pre‑assembled, partially lled, and fully tested.
1. Attach the snowplow to the vehicle according to
the instructions on the back of the blade.
2. Remove the cover from the hydraulic unit. Remove
and discard the factory‑installed pipe plug from
the top of the reservoir and install the breather.
WARNING
Keep 8' clear of the blade when it is being
raised, lowered, or angled. Do not stand
between vehicle and blade or directly in front
of the blade. If the blade hits or drops on you,
you could be seriously injured.
Reservoir
3. Turn the control ON and raise and lower the
snowplow several times. With the snowplow in
the raised position, fully angle the plow from right
to left several times. Activate the control FLOAT
function and make sure the blade is lowered
completely to the ground. Turn the control OFF.
4. Remove the breather and check the uid level.
The uid level should be 1‑1/2"–2" below
the ll hole. If additional uid is needed, add
hydraulic uid rated to –40°F (–40°C), or
other uid conforming to Military Specication
MIL‑H‑5606 A, such as Mobil Aero HFA or Shell
AeroShell
®
Fluid.
NOTE: Loosen the breather slowly to relieve any
pressure in the reservoir.
NOTE: Add uid only when the blade is resting
fully on the ground.
5. Replace and tighten the breather.
CAUTION
Do not mix dierent types of hydraulic uid.
Some uids are not compatible and may
cause performance problems and product
damage.
WARNING
To prevent accidental movement of the blade,
always turn the control OFF whenever the
snowplow is not in use. The power indicator
light will turn OFF.
AeroShell
®
is a registered trademark (
®
) of Shell Oil Company.
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