DIAGNOSTIC & TROUBLESHOOTING
107
ELECTRO-HYDRAULIC FUNCTIONS
PROBLEMS
PROBABLE CAUSES
SOLUTIONS
No functions are
operational
Electric power cut off
Make sure the switch on the control box is ON and power is available
Check that power is available to the controller and valves.
Hydraulic supply is cut off
Make sure tractor SCV is in continuous mode with approx. 8--11l/min (2-3 gpm) flow.
Make sure flow is directed to the “P” line.
Make sure there are no leaks at the manifold.
By-pass valve is defective (SV7)
The by-pass valve on the manifold is defective (SV7) or its solenoid is burnt or has
receives no power when any of the function is activated. Check connections and valve
coil, or replace valve
One of the functions is
not
available (i.e. the spout
deflector can be lifted,
but
can’t be brought down)
Valve disconnected or burnt
coil
Check the voltage at the coils when activated
A hose is leaking
Inspect the hoses and cylinders or motor for leaks
The spout bounces
violently (Stinger
extension)
Failed accumulator
Lower the spout and stop to check that the cylinder shows at least 5mm of travel.
Replace accumulator.
Flow control orifice is blocked
Lower the spout completely, turn off the tractor, remove the accumulator and inspect
the orifice disk in the port for any blockage.
IMPORTANT: Always lower the spout completely (by-pass the limit switch) before
removing the accumulator
Manual
N
o. F6918E003E v1.2
Содержание Scorpion 300
Страница 1: ...Operator s Manual FORAGE HARVESTER Manual No F6918E003E v1 2...
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Страница 18: ...SAFETY RULES 18 Figure 5 Safety Decals Figure 6 Safety Decals Manual No F6918E003E v1 2...
Страница 19: ...SAFETY RULES 19 Figure 7 Safety Decals Figure 8 Safety Decals Manual No F6918E003E v1 2...
Страница 20: ...SAFETY RULES 20 Figure 9 Safety Decals Manual No F6918E003E v1 2...
Страница 21: ...SAFETY RULES 21 Figure 10 Safety Decals Manual No F6918E003E v1 2...
Страница 84: ...MAINTENANCE AND ADJUSTMENTS 84 Figure 93 Universal joints transmission chain Manual No F6918E003E v1 2...
Страница 85: ...MAINTENANCE AND ADJUSTMENTS 85 Figure 94 Feedrolls linkage bearings and chains Manual No F6918E003E v1 2...
Страница 88: ...MAINTENANCE AND ADJUSTMENTS 88 Figure 98 Processor rolls lubrification Manual No F6918E003E v1 2...
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