MULTIQUIP LS450 - Setup; Location of Pump; Rear Stabilizer Jacks

MAYCO LS450 CONCRETE PUMP • OPERATION MANUAL — REV. #2 (02/23/21) — PAGE 33
SETUP
LOCATION OF PUMP
1. Place the pump in the best location on the site to pump
concrete efficiently.
2. Lay down the hose in the shortest distance possible.
Rear Stabilizer Jacks
To reduce excessive vibration and rocking of the pump, set
the rear stabilizers as follows:
1. Locate both the left and right rear stabilizer jacks
(Figure 17).
Figure 17. Locating Rear Stabilizer Jacks
2. Remove the cotter pin (Figure 18) from the handle
T-bolt eye, then pull the handle T-bolt to release the
stabilizer jack.
Figure 18. Rear Stabilizer Jack
WARNING
NEVER place feet under jacks while operating.
ALWAYS retract rear stabilizer jacks prior to towing.
ALWAYS retract rear stabilizer jacks prior to servicing
to relieve load (working pressure).
REAR
ST
ABILIZER
JACKS
3. Position both rear stabilizer jacks on firm (not loose),
level ground (Figure 19).
Figure 19. Rear Stabilizer Jack Stand Deployment
4. Align the hole on the stabilizer jack with the hole on the
frame body and insert the handle T-bolt.
5. Insert the cotter pin into the handle T-bolt eye to lock
the stabilizer jack.
Hydraulic Rear Stabilizer Jacks (Optional)
If your pump comes equipped with hydraulic rear stabilizers
(Figure 20), they can be controlled as follows:
1. Push down the middle control lever to extend the right
hydraulic rear stabilizer.
Figure 20. Control Levers for Hydraulic
Rear Stabilizers
2. Push up the middle control lever to retract the right
hydraulic rear stabilizer.
3. Push down the rightmost control lever to extend the
left hydraulic rear stabilizer.
4. Push up the rightmost control lever to retract the left
hydraulic rear stabilizer.
INCORRECT CORRECT
RIGHT HYDRAULIC
STABILIZER JACK
LEFT HYDRAULIC
STABILIZER JACK
MIDDLE CONTROL LEVER
(CONTROLS RIGHT
HYDRAULIC STABILIZER)
RIGHTMOST
CONTROL LEVER
(CONTROLS LEFT
HYDRAULIC
STABILIZER)