Snow and Ice Control
19
Figure 9. HMMWV with 9-foot plow, clearing snow from an access road.
The early snowplows were 9 feet wide and worked very well; however, to
improve safety, since 2000, all HMMWV plows are 8 feet wide. This plow is
fully reversible and has an automatic trip-edge.
3. The snow foil (called a Snofoil by the manufacturer) is a rigid extension
to the snowplow blade that deflects light snow away from the HMMWV's hood
and windshield, thus improving plowing visibility, efficiency, and control.
4. Antiwear shoes, also called disc shoes or mushroom shoes, offer maxi-
mum protection against blade wear. The more the blade is used, the more impor-
tant the shoes become. They should be adjusted to exactly the same level as the
cutting edge.
5. The snowplow is connected to the HMMWV by an attachment kit com-
posed of an A-frame, upper and lower gear, jack, and lift arm. The A-frame is
attached to the blade assembly with a center pivot pin that allows the assembly to
be angled left or right 28 degrees. The upper and lower gears and lift arm are the
primary link between the plow and the HMMWV. The upper and lower gears are
connected to the push-plates, which are bolted directly to the vehicle frame. The
upper gear provides the mounting framework for the Solenoid Electric Hydraulic
Pak (SEHP) and lift arm. The lift arm raises and lowers the blade through the lift
cylinder and lift chain.
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