SECTION 3
OPERATION
control is used to remotely trip the latch,
closing the
the water spray system, push the water spray switch to
shut-off valve.
the ON position. This will produce pressurized water
spray on the Guide Roll and Drive Roll drums. The
pressurized supply to the Guide Roll drum can be turned
3-27. RESETTING EMERGENCY ENGINE
STOP
off (if conditions dictate) by rotating the Front Spray
(Detroit Diesel Only) (see figure 3-5).
Shut-off lever. The water spray switch should be in the
OFF position when the water spray system is not needed.
3-28. The emergency engine stop must be manually
reset before the engine can be restarted. To reset the
CAUTION: Do Not operate water system without water.
emergency stop, push the cam-pin handle (located on the
Damage to pump may result.
engine air inlet housing) downward. This will open the
shut-off valve. Then push the EMERGENCY STOP
3-23.
UNIT SHUTDOWN (see figure 3 -1).
Control lever against the instrument panel.
a. Set the Direction-Throttle bail to the "neutral"
position.
b. Set the Park Brake Control Lever to the BRAKE
ON position (UP).
c. Set the IGNITION key to the "off" (vertical)
position.
d. On units equipped with a diesel engine, pull the
ENGINE STOP out. Hold in this position until the engine
stops.
NOTE: If the Detroit Diesel engine fails to stop, pull out
the EMERGENCY STOP lever. Reset the control
as specified in paragraph 3-28. Troubleshoot the
system to determine the malfunction bed fore
operating the unit again.
e. Position the Vandalism Shield over the
FIGURE 3-5.
instrument panel. If the unit is to be left unattended, lock
the shield.
3-29.
MOVING THE UNIT (see figure 3 -6).
3-24. EMERGENCY ENGINE STOP (Detroit Diesel
3-30.
Before moving a malfunctioning unit,
the
Only) (see figure 3-1).
transmission by-pass valve MUST be opened. If the
valve is not opened, the drive drum will have restricted
3-25. A manually operated EMERGENCY STOP
movement.
Control is mounted on the instrument panel to shut down
the Detroit Diesel engine in the event of a serious engine
Rotate the slotted cam 90 degrees clockwise. On
malfunction. If the engine continues to run after the ~
units equipped with a Sundstrand Transmission, pull up
ENGINE STOP has been pulled out, or if the engine
and lock the control cable located under the hood on the
overspends, the shut-down device will prevent damage to
hydraulic tank side of the unit.
the engine by cutting off the air supply and thus stop the
engine.
CAUTION: The by-pass valve is not intended for towing
a unit from one jobsite to another. Tow at
3-26. The shut-down device (figure 3-5) consists of an
speeds of one (1 ) to two (2) M PH (1.61-3.22
air shut-off valve mounted in the engine air inlet housing.
km/in) for as short a distance as possible.
The shut-off valve is retained in the open position by a
latch. A cable connected to the EMERGENCY STOP
3-7.
