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MaYCO LS600p CONCReTe pUMp • OpeRaTiON MaNUaL — Rev. #0 (05/13/13) — page 51
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 (Figure 57) to 
the 
JOG position.
Figure 57. Cylinder Stroke  
Control Switch (JOG)
2.  Place and hold the 
manual cylinder jogging switch 
(Figure 58) to either 
JOG “A” or JOG “B” position to 
test the pressure of that cylinder.
Figure 58. Manual Cylinder Jogging Switch
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.
AUTOMATIC
JOG
CENTER
OFF
JOG
“A”
JOG
“B”
CYLINDER STROKE
MAIntEnAncE
3.  The
 pumping pressure gauge (Figure 59) should 
read approximately 4300 ~ 4400 PSI.
Figure 59. 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.
Long Term Storage (Trailer)
1.  Check brake system for proper fluid level in master 
cylinder and bleed all lines.
2.  Lubricate all links and pivots to prevent any rusting.
3.  Remove wheel and drum assemblies and spray a good 
anti-corrosion compound (CRC formula 5-56) under 
rubber boot on forward end of brake wheel cylinder. 
Avoid spraying drum and brake lining.
4.  Grease all bearings and reinstall wheel and drum 
assemblies.
5.  Make sure breakaway cable is fully released.
6.  After extended storage, refer to the Maintenance Steps 
listed above to insure that the trailer is ready for towing.
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.