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7 OPERATION
7.10 UNBLOCKING CUTTER UNITS _______________________________________
It is important to note: there will be remaining hydraulic pressure within the system that can cause the cutting
cylinders to rotate when the obstruction is removed. Therefore keep your hands, feet and clothing away from
HOW TO REMOVE A BLOCKAGE FROM CUTTING UNITS
1)
With the cutting units running, Press Button one on the Display screen.
This will Reverse the directional drive of the cutting units for three seconds
to assist in clearing obstruction.
In the event that this does not remove the blockage proceed to step 2.
2)
Disengage the power to the cutting units with the cutting unit PTO switch.
When all rotation has stopped, lift the cutting units nto the transport
position.
3)
Move the machine to a flat level surface.
4)
Set the parking brake.
5)
Move the throttle control lever to the slow position.
6)
Turn the ignition key to the OFF position and remove the key.
7)
Use the Ransomes Jacobsen "Cutting Unit Tool" part number 4184540 or a stout stick, put into the
cylinder between the blades.
8)
Rotate the cylinder with either the "Cutting Unit Tool" or "Stout Stick" until the obstruction has
been removed.
9)
Inspect all the cutting surfaces for damage, when necessary replace the damaged components.
7.11 BACKLAPPING ____________________________________________________
This mower has the ability to allow the cylinder to be driven in reverse direction for backlapping.
See section 6.5.11
•
Backlapping is a process which will lightly hone the cylinder to the bottom blade while installed
on the mower.
•
Backlapping is a quick processs to Hone the blade, If significant amounts of metal are to be removed
then the cutting unit must be reground on a special grinding machine.
•
Before any backlapping is done, Ransomes Jacobsen recommends that the Backlapping procedure
must be risk assessed as a workshop process by the manager of the machine.
•
Backlapping must only be done by approved personnel.
•
Ransomes Jacobsen recommend that backlapping paste is only applied to the cylinder when it is
stationery, the engine is off and the park brake applied.
•
When applying backlappinging paste the cylinder must only be rotated by appropriately sized piece of
en-66
!
CAUTION
cutting units at all times. Wear appropriate PPE.
1234
123.4 Hours
P
TM
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