Multiquip SCRUCTURAL CONCRETE PUMP ST-45HRM - Manual (Page 33)

MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 33
6. Use the volume control, to set the
pump volume to approximately 10
strokes per minute. Turning the
volume control clockwise (CW)
will
decrease pump volume,and
counterclockwise (CCW) will
increase pump volume.
9. Turn the Control Off switch (Figure 10) to the “OFF“ position.
Figure 25. Engine
Tachometer
Figure 24. Hydraulic Oil Temperature Gauge
ST-45 PUMP — INITIAL START-UP PROCEDURE
6. Turn the Volume Control (Figure 23), lock nut
counterclockwise (CCW) to release the volume control
knob.
Figure 23. Volume Control
Figure 22. Pump Control Switch
CONTROL SWITCH
5. Turn the Pump Control switch (Figure 22)
to the “ON” position, a thumping sound
(cylinder stroke) should be heard. The
thumping sound represents the number
of strokes per minute (volume) of the
pump.
Use a wristwatch or stop watch to
determine the number of pump
strokes within 1 minute.
NOTE
7. Let the pump cycle until the hydraulic oil temperature
(Figure 24) is approximately 50 to 60 degrees fahrenheit.
8. While monitoring the tachometer,
(Figure 25) use the Engine
Throttle Control to set the engine
speed to 1500 RPM by following
steps 8A-8C.
A. Unlock the throttle cable. To unlock the throttle cable, turn
the inner most knob counter clockwise (Figure 26.)
Figure 26. Throttle Control Knob (Un-locking)
UNLOCK
LOCK
UNLOCKING
KNOB
THROTTLE
ADJUSTMENT
KNOB (FINE)
(TURN CW/CCW)
THROTTLE
ADJUSTMENT
KNOB (COARSE)
(PUSH/PULL)
PUSH-IN, THEN PULL
TO SET THROTTLE
(RPM’s)
PUSH ALL THE WAY IN
TO IDLE ENGINE
Figure 27. Throttle Control Knob (RPM Adjust)
B. Push the outermost button, Figure 27 (coarse adjust-
ment) inward, then pull outward until engine RPM
reaches desired speed.
C. Turn the unlocking knob (figure 26) clockwise to lock
engine RPM in place.