Lit. No. 95902/95903, Rev. 01
16
June 15, 2008
MAINTENANCE
Hydraulic Hopper Spreaders
1. Check
hydraulic
fl
uid level before every use. Add
fl
uid as required.
2. Periodically inspect the hoses and
fi
ttings for
damage and possible leaks.
3. Change the hydraulic
fl
uid after the
fi
rst 50 hours
of operation of a new unit.
4. Reservoir should be drained through the drain
plug only, NOT through the suction outlet.
• Flush and re
fi
ll reservoir annually, or sooner if
fl
uid
shows signs of break-down or contamination.
• The use of proper hydraulic
fl
uid in the system is
critical to satisfactory performance. Only clean, new
hydraulic
fl
uid, of the proper type and viscosity as
recommended by the pump manufacturer, should
be used.
• Keep all hydraulic
fl
uids in original containers. Use
only clean measuring containers and funnels when
pouring
fl
uids. Keep all containers closed when not
in use.
To keep your spreader functioning properly, observe
the following recommendations:
After each use:
• Wash out hopper and rinse off all external
surfaces.
• Apply dielectric grease to all electrical connections
to prevent corrosion.
• Lubricate all grease
fi
ttings. Use a good quality
multi-purpose grease.
• Oil drive chain.
At the end of each season:
• Wash out hopper and all external surfaces.
• Apply dielectric grease to all electrical connections
to prevent corrosion.
• Lubricate all grease
fi
ttings. Use a good quality
multi-purpose grease.
• Oil or paint all bare metal surfaces.
• Oil drive chain.
Troubleshooting
PROBLEM
CORRECTION
1. Unit speed does not increase with the dial setting.
A. Increase the truck engine speed.
B. Check condition of pump.
C. Check for adequate PTO percent.
2. Unit stalls under load.
Check circuit pressure. 900-1200 PSI maximum with
relief valve lifting at 1500 PSI.
3. Unit speed
fl
uctuates momentarily when control is
fi
rst turned ON.
A. Oil is cold. Wait until oil has warmed up.
B. Change to lighter weight oil.
4. Pump blows seals at start up.
Pump installed backwards. Replace seals and
reverse pump in driveline. (Note arrow on pump.)
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