dB - Operator's Manual - John Deere

34 EN
6.6.2 Dismantling, replacing and remounting the blade
! WARNING! Always wear work gloves when handling the blade.
! WARNING! Damaged or bent
blade must always be replaced;
never try to repair it! ALWAYS USE
ORIGINAL BLADES BEARING THE
1
SYMBOL ! Make sure the blade is
correctly balanced.
1
1. Dismantling
To remove a blade, hold it firmly and
undo the central bolt (1) in the direction
indicated by the arrow.
3. Balance
To ensure that it works properly without
unusual vibrations any imbalance
between the two parts of the blade must
be below one gram.
3. Remounting
Check that the concave part of the
cushion disc (3) presses against the
blade. Remount the shaft hub (4), making
sure that the key (5) is securely lodged in
place.
4. Tightening the screw
With a torque wrench calibrated to
40-45 Nm tighten the fixing screw (1).
2
3
4
2
3
1
1
MAINTENANCE
5
3
1
4