RBH Sound RBH 180 - Manual (Page 22)

20
– English
ADJUSTMENTS
tension bracket idler.
5. Adjust nut M10 until the specified tension at cog belt
is reached. (See Fig 33)
6 Re-tighten the two hex nuts on the cog idler pulley
and the belt is now adjusted correctly.
7. To re-install the cutting pan - reverse the procedure.
Note: It is possible but not desirable to adjust the cog
belt tension without removing the cutting pan assembly
form the tractor. In this case follow step 2 through 8
from the above procedures.
DANGER
This cog belt must be properly adjusted. If not, the
blades can contact and the belt will be destroyed and
the cutting system will be damaged.
Fig. 33
DANGER
On impact with any hard objects, the blade shear bolts
will break and the cog belt will be damaged!
The cog belt must be inspected.
Be careful!
The two blades must be positioned 90 degrees to each
other.
Replacement:
Use always genuine parts.
Fig. 34
TORQUE SPECIFICATIONS
Cutting system:
Mower cog belt
See Fig 33
Blade bolt LH 50 Nm
Blade bolt RH 50 Nm
Housing bolts M8x30 32 Nm
Self locking nut M12
(Pulley)
65 Nm
Hexagon socket screw
M8x20 (Idler arm)
25 Nm
Steering tooth gear fasteners:
Screw M8x30
15 Nm
Lock nut M12 80 Nm
Engine-transmission drive:
Exhaust screws
16 Nm
Crank shaft bolt 108 Nm
Screw M10x55
(Idler pulley-front)
25 Nm