Lit. No. 44224, Rev. 14 96 August 15, 2011
Annual Fluid Change
1. Perform this operation with the snowplow
attached to the truck on a hard level surface.
Place a sturdy block under the A-frame/
T-frame so the blade will be suspended a few
inches off the ground when lowered.
2. Lower the blade until its weight is supported
by the block.
MAINTENANCE
CAUTION
Do not mix different kinds of hydraulic
fl uid. Some fl uids are not compatible and
may cause performance problems and
product damage.
CAUTION
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.
3. Activate the control FLOAT function and
manually collapse the lift ram all the way. (Not
required for HT Series™ blades.) Turn the
control OFF.
NOTE: Loosen the fi ll plug slowly to relieve
any pressure in the reservoir.
4. Remove the drain plug located in the bottom
of the hydraulic reservoir for straight blades, or
the drain cap located on the fi tting side of the
hydraulic unit for XtremeV™ and XLS™ blades.
(See illustrations on the previous page.)
5. Completely drain reservoir and replace drain
plug/cap.
6. Carefully note hoses routings and positions
of any protective hose wraps 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
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