FRONT ROLLER CAM HEIGHT ADJUSTERS
The two cams fitted to the front roller of M.E.Y mowers enable the operator to quickly change the cutting height to suit varied conditions and requirements. See Fig 4
Loosen one front roller end bolt at a time, with the special spanner provided. By rotating the cam through 90°, the cutting height changes by 2mm. A further 90° rotation drops the cutting height by 2mm again. Secure that end bolt and repeat the process on the other end ensuring that the changes are identical. An example: Top setting of 12mm changes to 10mm and then 8mm - a range of 4mm. The front roller end bolts must be
This system can also be used to obtain micro adjustment as required on bowling green, tennis court and cricket wicket mowers. In this application 5° is equal to approximately 0.1mm.
FIG.4 | CAM HEIGHT ADJUSTMENT |
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TO REMOVE THE BLADE HOLDER
Turn off the petrol and turn the engine to Top Dead Centre.
Lay mower back so handles rest on a 20 Litre drum or catcher.
Remove the chain case by undoing the wing nuts.
Loosen the cylinder adjuster bolts to remove any residual blade tension.
Loosen the 3 bolts on each end of the bottom blade holder (sole plate), then continue to remove the six bolts. The bottom blade and holder can then be dropped out of the mower frame.
The blade should be left on the holder for sharpening and is only removed for replacement. The blade should be professionally sharpened and checked for trueness.
Refit the bottom blade & holder and fit all the bolts loosely, then tension them fully.
Adjust cylinder down to the blade so as to cut paper.
Check that the setting is at the required cutting height and level.
Check chain case seal, refit chain case and right mower.
