Snow and Ice Control
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8. The joystick control is electrically powered through the HMMWV's
ignition switch and is protected by a replaceable six-amp in-line fuse. The
"On/Off" switch can turn off the control and prevent blade movement even when
the ignition switch is in the "On"position.
9. The Solenoid Electric Hydraulic Pak (SEHP) provides a fast and uniform
speed for lifting and angling. It takes only 23 seconds to lift and lower the
blade, and it angles from side to side in 56 seconds. The SEHP provides power
lifting and angling with plow control from inside the cab.
WARNING!
You can be seriously injured if the blade hits you or drops on you. Keep
well clear of the blade when it is being raised, lowered, or angled. Do not stand
between the vehicle and the blade or directly in front of the blade.
WARNING!
Hydraulic oil under pressure can cause serious injuries that, if left untreated,
can result in amputation or death. If you are injured by hydraulic oil, get medical
treatment immediately.
WARNING!
Before traveling with the plow in the "Up" position with the safety chain in
place, position the blade so that it does not block headlight beam. Do not change
blade position while vehicle is in motion.
10. Controlling the blade is easily accomplished. First, turn on the vehicle
ignition switch, then turn the control switch to the "On"position. The control
switch is located on the side of the joystick control box. When the switch is on,
the control indicator light should be on.
11. To raise the blade: Place the joystick control in the "Raise" position until
blade has reached the desired height. Blade movement will stop when either the
control is released or the blade reaches its upper limit.
12. To angle the blade to the right: Place the control in the "Right" position.
Release the control when the desired angle is reached. The blade will stop when
it reaches 28 degrees of angle and hits the right blade stop; if this happens, re-
lease the control.
13. To angle the blade to the left: Place the control in the "Left" position.
Release the control when the desired angle is reached. The blade will stop when
it reaches 28 degrees of angle and hits the left blade stop; if this happens, release
the control.
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