Lit. No. 69829, Rev. 01 8 December 15, 2016
69400, 69450, 69450-1, 69450-2
FILLING THE HYDRAULIC UNIT
1. Attach the snowplow to the vehicle according to
the instructions on the back of the blade.
The HT Series™ snowplow hydraulic system
comes pre-assembled, fi lled and fully tested from
the factory.
2. When checking the fl uid level of a hydraulic unit
at installation, remove the factory-installed pipe
plug. With the blade in the lowered position, the
fl uid level should be within 2-1/2" from the top of
the fi ll hole. If additional fl uid is needed, fi ll the
reservoir with FISHER
®
EZ Flow 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
®
Fluid 4.
3. Replace the pipe plug removed in Step 2 with the
breather/fi ll plug (included in the parts box).
WARNING
Keep 8' (2.5 m) 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.
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.
CAUTION
Do not mix different types of hydraulic fl uid.
Some fl uids are not compatible and may
cause performance problems and product
damage.
FLUID CAPACITY
• Insta-Act
®
Unit Reservoir 1-3/4 quarts
• Insta-Act System Total 2-3/8 to 2-3/4 quarts
Drain
Plug
Breather/Fill Plug
AeroShell
®
is a registered trademark (
®
) of Shell Oil Company.
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