154
Short Instructions
SP 500 / 750-15 / 750-18 / 1000 / 1250 Operation Manual
Checking the machine
• Raise the hopper cover and secure with locking pin.
Crushing hazard. Always secure the
hopper cover with the locking pin.
• Press the agitator enable button. Place the agita-
tor handvalve in either the forward or reverse po-
sition. Carefully lift the hopper grate cover. Ensure
the agitator stops when lifted. If the agitator con-
tinues to move, shut down the machine and check
the hopper grate switch.
Do not operator the machine, if the
hopper grate switch is malfunctioning.
• Check your hydraulic pressures. See “Check hy-
draulic pressures” on page 99.
• Lubricate the outlet wear plate with water or
WD40. Spray inside the outlet pipe and in front
of the Rock Valve. DO NOT put your hand inside
the outlet pipe, spray from the outside only. Never
operate the Rock Valve without rst lubricating the
outlet wear plate. Moving the kidney seal against a
dry plate will cause excessive wear and premature
failure.
• Fill the waterbox if you haven’t done so already.
• With the outlet wear plate lubricated and the wa-
terbox lled, stroke the machine a couple of times
by putting the concrete pump in the forward posi-
tion.
• If the machine is stroking properly, you can either
shutdown the machine or begin pumping the job,
see “Pumping the Job” on page 77 to continue.
Shutting the Machine Down
Stopping the engine immediately
after the engine has been working
under load, can result in overheat-
ing and accelerated wear of engine
components.
Avoid accelerating the engine prior to
shutting down the engine.
Avoiding hot engine shutdowns will
maximize turbocharger shaft bearing
life.
To shut the machine down, put all functions in the neu-
tral or OFF position. Reduce engine RPM to a low idle,
allow the engine to idle for 5 minutes in order to cool.
When the engine has cooled, turn the ignition keyswitch
to the OFF position.
After key-o, the DEF pump will circulate the DEF uid
for a given time, in order to cool the DEF injector. The
DEF pump will also purge the DEF system of uid to
protect the lines from freezing in cold conditions. The
SCT screen will remain ON during this process. When
nished the SCT system will shut o and the screen will
go blank.
Disconnecting the battery power too soon may pre-
vent purging of the DEF uid lines after the engine has
shutdown. Do not disconnect the battery until “Wait to
Disconnect” symbol is no longer displayed on the SCT
screen (Figure 23).
Connected
Wait to Disconnect
symbol
Disconnected
Figure 3
Wait to Disconnect symbol / Battery switch
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