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PAGE 50 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
Wear Plate Installation
1. Install the two cylinder
O-rings
.
2. Using silicon sealant, coat the circumference of the
concrete cylinders, the back of the wear plate and
around the five bolt holes. Next, install the wear plate
and the five bolts. The bolts must all be equally snugged
and tightened to 100 lbf·ft each.
Wear Ring Installation
1. Install the wear ring into the
nun plate
.
2. Install the steel insert ring inside of the rubber
energizer ring.
3. Install the energizer ring assembly into the nun plate.
4. After installing the above-mentioned components
the machine can be reassembled by reversing steps
1 through 5 of the Wear Plate and Cutting Ring
Replacement Procedure.
Heat Exchanger Cooling Fan
This section is intended to make sure the cooling fan is
working properly. Under normal conditions the fan should
be running any time the engine is turned on.
Pressure Test
1. To determine the pressure of the hydraulic system,
set the
cylinder stroke control switch
the
JOG
position.
Figure 53. Cylinder Stroke
Control Switch (JOG)
NOTICE
If the hydraulic oil temperature exceeds 170°F (77°C),
shut down the pump.
DO NOT
continue to operate the
pump. Failure to shut down the pump will result in severe
damage to the pump.
2. Place and hold the
manual cylinder jogging switch
JOG “A”
or
JOG “B”
position to
test the pressure of that cylinder.
Figure 54. Manual Cylinder Jogging Switch
3. The
pumping pressure gauge
read approximately 3,100–3,200 PSI.
Figure 55. Pumping Pressure Gauge
Long-Term Storage (Pump)
Remove the battery.
Drain the fuel tank completely. Treat with a fuel stabilizer
if necessary.
Clean exterior with a cloth soaked in clean oil.
Store unit covered with plastic sheet in moisture- and
dust-free location out of direct sunlight.
0
PUMPING
PRESSURE
1000
2000
3000
5000
4000
CAUTION
NEVER
store the pump with fuel in the tank for any
extended period of time.
ALWAYS
clean up spilled
fuel immediately.
MAINTENANCE
Summary of Contents for MAYCO LS300G
Page 2: ...PAGE 2 MAYCO LS300G CONCRETE PUMP OPERATION MANUAL REV 2 09 09 19 PROPOSITION 65 WARNING...
Page 5: ...MAYCO LS300G CONCRETE PUMP OPERATION MANUAL REV 2 09 09 19 PAGE 5 NOTES...
Page 73: ...MAYCO LS300G CONCRETE PUMP OPERATION MANUAL REV 2 09 09 19 PAGE 73 NOTES...
Page 85: ...MAYCO LS300G CONCRETE PUMP OPERATION MANUAL REV 2 09 09 19 PAGE 85 HYDRAULIC SYSTEM DIAGRAM...