John Deere SR1750 HE - Manual (Page 20)

Manual Stair Robot SR1750 HE
Publication: 29-07-04
AATA INTERNATIONAL B.V.
6 Trouble shooting chart
The stairrobot SR 1750 HE is designed and built to function for several years with little
maintenance. In case a problem occurs please make the following checks. If the problem
continues to exist please contact your local dealer
Symptom
Possible course Solution
• Main
motor does
not work
• No
current
• Check electrical wires
and connections
• Check
magneto
switches
• Check
capacitors
• Hydraulic
pump-
motor does not
work
• No
current
• Check electrical wires
and connections
• Check
magneto
switches
• Check
capacitors
• Main
motor stops
• Motor
overheated
• Wait several minutes
• Hydraulic
pump-
motor stops
• Motor
overheated
• Wait several minutes
• Hydraulic
platform
does not lift
completely
• Possible
oil-shortage
• Refill oil with spindle oil;
check oil in oil-tank;
should be 5 mm under
the top of the tank
• Hydraulic
platform
does not go down
• Pressure relieve valve
• Electro-magneto
switch
does not work properly
• Open valve by turning it
counter clockwise,
move the platform up
and down a few times;
adjust the valve to the
weight of the load
• Check electrical wiring
and connections
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