PAGE 26 — MAYCO LS400/LS500 PUMP — OPERATION AND PARTS MANUAL — REV. #6 (09/19/11)
LS400/LS500 PUMP — SET-UP
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 15).
2. Remove the
cotter pin
from the handle tee bolt eye,
and then
pull
the handle tee to release the stabilizer
jack (Figure 16).
3. Position both rear stabilizers jacks on firm (not loose)
level
ground (Figure 17).
4. Align the hole on the stabilizer jack with the hole on the
frame body and
insert
handle tee bolt.
5. Insert the cotter pin into handle tee bolt eye to lock the
stabilizer jack.
Figure 15. Locating Rear Stabilizer Jacks
Figure 17. Rear Stabilizer Stand Deployment
HYDRAULIC REAR STABILIZER JACKS (OPTIONAL)
If your pump comes equipped with hydraulic rear stablizers,
they can be controlled as follows:
1. Push down the middle control lever (see Figure 18) to
extend the right hydraulic rear stabilizer.
2. Push up the middle control lever (see Figure 18) to retract
the right hydraulic rear stabilizer.
3. Push down the rightmost control lever (see Figure 18)
to extend the left hydraulic rear stabilizer.
4. Push up the rightmost control lever (see Figure 18) to
retract the left hydraulic rear stabilizer.
REAR
STABILIZER
STAND
BOLT EYE
HANDLE
T-BOLT
COTTER
PIN
Figure 18. Control Levers for Hydraulic Rear Stabilizers
Figure 16. Rear Stabilizer Jack
NEVER place feet under jack while operating.
ALWAYS retract rear stabilizer jacks prior to towing.
ALWAYS retract rear stabilizer jacks prior to servicing to
relieve load (working pressure).
WARNING - REAR STABILIZER SAFETY
RIGHT HYDRAULIC
STABILIZER JACK
LEFT HYDRAULIC
STABILIZER JACK
MIDDLE CONTROL LEVER
(CONTROLS RIGHT
HYDRAULIC STABILIZER)
RIGHTMOST
CONTROL LEVER
(CONTROLS LEFT
HYDRAULIC
STABILIZER)
REAR
STABILIZER
JACKS