Cutting Performance; Unblocking Cutting Units; Backlapping - Textron Ransomes Lh Serie Sicherheits-, Betriebs- Und Wartungshandbuch

7.7 CUTTING PERFORMANCE _____________________________________________

NOTE:
Due to the low power requirement of the Mounted 214, it is quite acceptable to use the tractor with the engine
speed reduced to as low as 900 rpm. This may be necessary when sparse grass of uneven height is being cut. It
is also convenient for manoeuvring, reduces noise and improves operator comfort, and reduces tractor engine
wear.
Slow cutting cylinder speeds reduce cylinder and bottom blade wear.
It is necessary to use increased engine speeds to achieve satisfactory cutting and grass discharge in wet, lush
grass conditions or where higher cuts/yard are required at reasonable forward speeds.

7.8 UNBLOCKING CUTTING UNITS _________________________________________

1. Switch off cutting unit drive, lift out of work and move machine to flat level ground.
2. Switch engine off and remove the ignition key.
3. Using a piece of wood and personal protective equipment e.g. eye protection and gloves, remove
blockage. The reel can be rotated by using a spanner on the hexagon drive on the reel non drive end.
4. Check blades for damage and replace or repair if necessary.
5. Start engine and run the cutting units to check for correct operation.

7.9 BACKLAPPING _______________________________________________________

• Backlapping is a process which will lightly grind the reel to the bedknife whilst mounted on the mower.
• If significant amounts of metal are to be removed then the cutting unit should be reground on a specialised
grinding machine.
• Before any backlapping is carried out, Ransomes Jacobsen recommends that the backlapping process
should be risk assessed as a workshop process by the manager of the machine.
• Backlapping should only be carried out by trained staff.
• Ransomes Jacobsen recommend that grinding paste is only applied to the reel when it is stationery, the
engine is off and the parking brake applied.
• When applying grinding paste the reel should only be rotated by appropriately sized piece of wood and not
by hand.
• Place reels in the most accessible position for applying the paste.
• After applying the grinding paste the person backlapping should return to the seat, engage the relevant
controls and run the reels in reverse.
• When the desired finish is achieved switch off the mower, clean off any surplus paste, reset the reel to
bedknife and return the controls to the normal mow positions.
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