Douglas Dynamics SnowEx Automatixx SPEEDWING 77840-3 Manuel d'instructions d'installation - Page 10
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OPERATIONAL TEST AND FINAL ADJUSTMENTS
HYDRAULIC UNIT
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.
The hydraulic system comes from the factory
preassembled, partially fi 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.
AeroShell
®
is a registered trademark (
Lit. No. 52308, Rev. 06
Breather
Drain Plug
®
) of Shell Oil Company.
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.
3. Turn the control ON and raise and lower the
snowplow several times. With the plow 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.
Do not mix diff erent types of hydraulic fl uid.
Some fl uids are not compatible and may
cause performance problems and product
damage.
4. Remove the breather and check the fl uid
level. The fl uid level should be 1"–1-1/2" below
the fi ll hole. If additional fl uid is needed, add
SnowEx
Rapid Action Hydraulic Fluid rated
®
to –40°F (–40°C), or other fl uid conforming to
Military Specifi cation MIL-H-5606 A, such as
Mobil Aero HFA or Shell AeroShell
fl uid is 1"–1-1/2" below the fi ll hole.
NOTE: Loosen the breather slowly to relieve any
pressure in the reservoir.
NOTE: Add fl uid only when all rams are retracted
and blade is resting fully on the ground.
5. Replace and tighten the breather.
10
WARNING
CAUTION
Fluid 4 until
®
May 1, 2021