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MAYCO LS400/LS500 PUMP — OPERATION AND PARTS MANUAL — REV. #6 (09/19/11) — PAGE 27
2. Turn the
Cylinder Stroke Control Switch
to the
AUTOMATIC position (Figure 20).
3. Place the
Pumping Control Switch
to the CENTER
OFF position (Figure 21) for normal pumping operation.
Figure 19. Emergency Stop Switch
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LS400/LS500 PUMP — START-UP PROCEDURE
DO NOT attempt to operate this concrete pump until
the Safety, General Information and Inspection
sections have been read and understood.
STARTING PROCEDURE
If the Emergency Stop switch is in the
CLOSED position (stop), engine will not start.
To start the engine, make sure the
Emergency Stop switch is in the OPEN
position (fully extended).
WARNING - GENERAL SAFETY GUIDELINES
1. Locate the Emergency Stop Switch (Figure 19) on the
Hydraulic Pump Control Box. Turn the Emergency Stop
switch clockwise and release (open). This will allow the
engine to start.
Figure 20. Cylinder Stroke
Control Switch (Automatic)
5. To start the engine, insert the key (Figure 23) into the
ignition switch and turn the key to the ON position.
6. When the ignition key is in the ON position, the Digital
Readout Screen (primary) will cycle through 3 displays
as shown in Figure 24.
LOCAL
REMOTE
CENTER
OFF
4. Place the
Direction Control Switch
to the FORWARD
position (Figure 22).
AUTOMATIC JOG
Figure 21. Pumping Control Switch (OFF)
FORWARD REVERSE
Figure 22. Direction Control Switch (FORWARD)
Figure 23. Ignition Switch
7. Turn the key to the START position and listen for the
engine to start. In warm weather let engine warm up for
5 minutes. In cold weather let engine warm up for 10
minutes.
LS 400 OFF
0000 ENG RPM
BATTERY 12.5 V
LOW OIL PSI
1
LS 400 OFF
0000 ENG RPM
BATTERY 12.5 V
LOW RPM FAULT
1
LS 400 OFF
0000 ENG RPM
BATTERY 12.5 V
END OF MESSAGE
1
Figure 24. Primary Screen (Ignition Key ON)