Tanco Autowrap 1300 EH User manual

31
Tanco Autowrap 1300 EH
Operator’s manual
14.0 CHECK POINTS BEFORE TROUBLE SHOOTING.
In this chapter we have some general check points that have to be examined first if something is
wrong with the machine. In chapter 17.0 we have a more detailed trouble shooting.
There are three basic assumptions that have to be fulfilled if the machine shall function properly:
1. The oil pressure from tractor should be 180 bar.
2. The return flow of oil has to be as free as possible, max. 10 bar counter pressure.
3. Enough electric power to all functions.
14.1 OIL PRESSURE.
In order to check that the oil pressure into the machine is high enough, a guage may be applied
to the oil pressure hose, for example on the quick coupler.
If the pressure is less than 180 bar, there will be less power for the functions. The first place you
trace this is at the ROLLERS OUT / IN.
OIL AMOUNT.
The oil amount that the tractor delivers must be minimum 15 liters/minute, but it is
recommended that it is 25 liters/minute. (Max. allowed oil amount is 40 liters/minute).
REMEMBER! Large oil amount = Valves get hot. (Small oiltank = insufficient cooling).
14.2 RETURN PRESSURE.
The return pressure can be too high. With high return pressure the machine's functions will get
less power. High return pressure means also that you need more power to operate the valves.
MAX. ALLOWED RETURN PRESSURE IS 10 BAR.
We recommend "free return" directly to the tank.
14.3 ELECTRIC POWER.
It is important to check that all functions receive enough electric power.
If not, some, or all functions may fail.
Is the battery voltage high enough?
If the voltage falls below 9 volts the valves will not be able to open.
Are the cables correctly connected to the battery?
Follow directions in chapter 4.4
Is the connection between battery cable and control unit OK?
Clean off the poles and check the plug.
Is the connection between remote control unit and machine OK?
Change contacts if any doubt about the condition.
Is the fuse on the battery cable OK?
PLEASE CONTACT YOUR DEALER IF YOU ARE IN DOUBT ABOUT ANYTHING.
(Remember always to give your dealer the serial number and production year of your
machine when contacting dealer and when ordering spare parts).

32
Tanco Autowrap 1300 EH
Operator’s manual
15.0 PROCEDURE OF TROUBLE SHOOTING.
15.1 SOLENOID VALVES.
When checking if the Solenoid valves are receiving electric power, you do this in the following
way:
1. Unscrew the nut that holds the solenoid.
2. The solenoid is easy to move without electric power.
3. Push the current function on the remote control. If the solenoid gets power, it will be
difficult to move, it "sticks". This is the best and easiest way to check if the solenoid valve
is receiving electric power. Another way is to hold a screwdriver up to the magnet. If it
"sticks", the solenoid is receiving electric power.
The power supply to the valve can also be measured with a voltmeter, but then the contact must
be connected to the solenoid, so it is using power.
To have reliable functions, the voltage should not be lower than 11,5 volts, even if the solenoid
valve usually works with a little lower voltage.
15.2 Only for solenoid valves to the main functions.
If the electric supply is in order and one of the functions fails, the reason can be dirt that tightens
or prevents the sliding shaft (spool) from moving.
Try to maneuver the function manually, by pressing the point of a screwdriver into the end of the
valve housing. At the same time the corresponding switch on the control unit has to be
operated to get electric power to the master valve. If the function is working again after this,
the dirt may have been pushed out in the oil system and the machine can be operated normally
again.
Take care so that the machines moving parts, do not cause damage to persons
or objects.

33
Tanco Autowrap 1300 EH
Operator’s manual
16.0 TROUBLE SHOOTING.
16.1 THE MACHINE DOES NOT FUNCTION.
a) Even if the gauge shows enough pressure and there is no reaction in the machine. The
reason could be that one, (or both), of the quick-couplers does not open for the oil.
Change quick couplers.
b) The counter pressure could be too high.
Max. allowed counter pressure is 10 bar. (See chapter 14).
c) Make sure that the open / closed valve is correctly positioned.
(Disturbances of this type, a, b or c, are most likely in the first days that the machine is in use).
16.3 THE CUTTER WILL NOT HOLD THE FILM.
The pressure is falling and the springs start to lift the cutter. (See chapter 14.2).
16.4 THE WRAPPING ARM WILL NOT ROTATE.
a) The bolt that secures the wrapping arm during transport has to be removed so that the
wrapping arm can move freely.
b) Check valve 1. (See fig. 13-2). Screw all the way in and test. Adjust to required power.
c) The safety valve, (S3, fig. 13-2), can be leaking, so that the oil is passing by the wrapping
arm motor. Dismantle and try out if the sliding shaft can move freely .
d) The control valve, may be blocked. Dismantle and check if the valve works normally. Do
not use sharp tools
e) Check if the oil motor is working
Ask your dealer for advice BEFORE you make the problems bigger and repairing
more difficult
f) If the emergency stop* has been activated. To start the machine the control box must be
reset (See also chapter 5.0).
16.5 THE ROLLER WILL NOT ADJUST.
I. Is the Solenoid valve receiving enough electric power ?
When the power source is tapped by several users at ones, the voltage can fall so much that all
the functions will cut out, or only the width regulating. Check the power source and measure the
voltage.
I. Check the bypass valve
If this is receiving enough power and has free flow ,the problem must lie in the solenoid valve.