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9.8.5. A trail of damage to the lawn
Whilst overseeding, you may notice a trail of damage in a worked strip. Possible causes may be:
• Since the blades do the ground work, examine these first. Presumably, one or more blades
has struck an object in the ground, causing it to become bent and carve out wide, unsightly
grooves.
• Read '§ 11.4.4. Checking the blades on page 73' to trace irregularities.
• There may also be something wrapped around the blade shaft that causes a trail of damage.
9.8.6. Unintended activation from transport or operation mode.
If ever during operation or overseeding, the machine suddenly switches from transport mode to
operation mode, then the following problems could arise as a result:
• Locking remains in place after operation: check, clean, or replace the locking mechanism if neces-
sary.
• The cable of the lock is dirty and shifts with difficulty. After releasing the depth lever, the cable
prevents the bolt from being fully closed again. Clean the cable guide.
• The depth lever has been unintentionally activated by one or other obstacle (e.g. when driving
along a hedge or bush).
9.8.7. The machine remains stuck in transport mode
If during driving or overseeding the front wheel arch can no longer move to transport mode, or
transport mode can no longer be moved to operation mode, then the following problems may be
the cause:
• The hinges of the front wheel arch are stuck because of dirt or insufficient lubrication: clean
the hinge and apply lubricant liberally.
• Dirt is piling up between the front wheel arch and the chassis: thoroughly clean the gap bet-
ween the front wheel arch and the chassis.
• The cable that operates the locking mechanism is or broken or jammed. Adjust, and clean, add
lubricant, or replace these if necessary.
9.8.8. The machine loses traction while driving or operating
If, while driving or overseeding, you have the feeling that the machine is losing traction and you
have to nudge the machine to move it forward, then the following causes may be possible:
a. The torque limiter is slipping
b. Insufficient chain tension
c. Broken chain
d. Loose sprocket wheel
e. Insufficient activation of transmission box
f. Defective transmission box
g. Freewheel bearing jammed
h. Soiling of the cable
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