
Engine Model:
RV150 and SV150
RV40, V35
Page
23 of 36 Mountfield150cc Selfhelp Guide 2011, Issue 1.0
9 Cutting and Collecting Grass, Vibration
QUICK TROUBLESHOOTING GUIDE:
Problem: Likely Cause: Solution:
Mower will not
cut grass
properly
• Technique is incorrect
• Grass is too long or wet
• Problem with the blade or blade
mounting
See A
• See A
• See B
Mower vibrates
excessively
• Problem with the blade or blade
mounting
• The engine mounting is loose
See B
• See B
Mower will not
collect grass
properly
• Technique is incorrect
• Grass is too long or wet
• Build-up of grass clippings
underneath or lack of air flow
See A
• See A
• See C
A MOWER WILL NOT CUT GRASS PROPERLY
When cutting grass make
sure you are using the
machine on full throttle (if
one is fitted). If collecting
the grass ensure the
mulching plug (if
available) has been
removed.
Do not cut wet grass.
Especially in the Spring when the grass may be long
and lush, do not attempt to cut too much grass at any
one time.
If the lawn is several inches in length then raise the
height of cut and gradually reduce the lawn in stages
to prevent blocking. It may also help to remove the
grass catcher, cut the grass first on the highest setting,
and work down to lower settings and collecting the
grass.
If the grass is damp you can attempt to cut the lawn by
raising the height of cut to allow a greater airflow, and
reducing the lawn to the desired level in stages.
Check the height adjuster levers settings are the same on each wheel and that they
are at a level suitable for the grass conditions.
Mulching Mowers: (PLEASE NOTE, ALSO SEE www.mulching.co.uk
for mulching
tips and how to mow better with mulching mowers)
The same advice above applies to mulching mowers. These are mowers
that are not designed to collect grass – they recycle the grass clippings,
and return natural nutrients to your lawn. NOTE: Combination mowers
use a mulching plug so they can then be used also as a mulching mower.
Follow these simple steps for the best mulching results, and remember
that to obtain the perfect cutting height you need to work down from the
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