50
English
• The locking pin on the sprocket of the axis of the rotating drum broke down.
• Sprocket on roller came loose
• Locking pins of the rotating drum on the driving axis came loose.
9.8.5 Loss of debris
Under normal circumstances, the debris that is cut away is caught in a reception channel and
subsequently discharged to the side of the machine. As a result, the lane that has been worked
will remain relatively clean. If a lot of debris is deposited in the work area nonetheless, this can
have the following reasons:
• The discharge jack may have a problem processing excessive amounts of moss or very
long grass; this can cause the discharge channel to overflow and result in loss of debris.
(Read § 9.3 Preparing the work area.)
• Working a humid soil can cause the blades to throw up dirt and wet soil that may
subsequently stick to the compartment and the discharge channel. This forms an obstacle
for the normal transport route of the debris that will consequently end up outside the
discharge channel instead of in it. Cleaning the blade compartment and the discharge
channel will solve the problem. (Read § 9.7 Cleaning the machine.)
• Depending on the chosen route (read § 9.6.2) the debris may be deposited on the next
lane to be worked. If too much debris piles up after having worked a few strips, the
discharge channel will be unable to process it. A loss of debris will be the result. The
solution is to review the chosen work pattern.
9.8.6 A trail of damage to the lawn
A trail of damage in a worked lane may have the following causes:
• The blades do the ground work and are therefore the first to be examined. An obstacle
under the surface may have caused a deformation of one or more blades, resulting in
broad unaesthetic cuts. Read § 11.4.7 Checking the blades to detect any irregularities.
• It is possible that an object has wrapped itself around the blade axis and causes a damage
trail.
• The vibration plates, all fixed with two bolts, also come in contact with the surface. If one of
the bolts of either plate has come loose due to vibration, the plate may become displaced
and slide over the other plates, causing a print in the lawn at each strike. Check the
vibration system for irregularities.
