Hydraulic System; Fluid Level; Annual Fluid Change - Blizzard 7600LT Owner's Manual

HYDRAULIC SYSTEM

Fluid Level

CAUTION
Do not mix diff erent kinds of hydraulic fl uid.
Some fl uids are not compatible and may cause
performance problems and product damage.
NOTE: Remove breather slowly to relieve any
pressure in reservoir.
1. With the snowplow attached to the vehicle and the
blade on the ground, turn control OFF.
Arm / Blade
Power
Operation
Switch
Switch
Switch
Label
2. Move the power switch to the center or "OFF"
position.
3. While holding the power switch RIGHT, push
DOWN and hold the Arm/Blade Operation switch.
The arm will disengage mount adapter and fully
retract the lift ram.
4. Remove the breather. Fill to 1" from the top of the
reservoir and replace the breather.
Speed Adjustment
Breather
Drain Plug
Lit. No. 40595, Rev. 05
MAINTENANCE
Light
Tower
Blade Drop
Motor
Valve
Manifold
Reservoir
5. Turn control ON. Raise and lower the blade to
reposition the draw latch.
For fl uid recommendations, see the following Annual
Fluid Change section.

Annual Fluid Change

Change the fl uid at the beginning of each
plowing season. Failure to do this could
result in condensation buildup during the
non-snowplow season.
Do not mix diff erent kinds of hydraulic fl uid.
Some fl uids are not compatible and may
cause performance problems and product
damage.
1. Perform this operation with the snowplow attached
to the truck on a hard, level surface.
2. Lower blade to ground and turn control OFF.
3. While holding the power switch RIGHT, push
DOWN and hold the Arm/Blade Operation switch.
The arm will disengage mount adapter and fully
retract the lift ram.
NOTE: Loosen breather slowly to relieve any
pressure in the reservoir.
4. Remove the drain plug located in the bottom of the
hydraulic reservoir.
5. Completely drain reservoir and replace drain plug.
6. Carefully note hose routing for proper reassembly.
7. Remove the angle ram hoses from the fi ttings
on the hydraulic unit and place in a drain pan
or suitable container. (See the following
illustrations and Hydraulic Hose or Fitting
Replacement instructions.)
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CAUTION
CAUTION
May 1, 2021