Torque Scheme For Bolts And Nuts - Kesla XS 190 Operation & Maintenance Manual

4. When the chains are hanging freely, the distance between the chain and the boom
in the middle of the chain should be approx. 10mm (0.39in).
5. For adjustment and inspection, the chains should be made loose with a reverse
movement. The extensions chains can be loosened by slightly retracting the fully-extended
boom as described above.
The retraction chains are loosened in the same way by slightly extending a fully-retracted
boom.
Illustrations show the adjustment if the chain tension.
Adjusting the tension of the boom extension chain

TORQUE SCHEME FOR BOLTS AND NUTS

Wheel nuts...................................................................................250Nm
Bolts of pivot bearing, inner circle ................................................280Nm
Bolts of pivot bearing, outer circle................................................280Nm
Holding capacity of cable clamp in inlet of electrical outlets.........5kg (11lbs) when pulling
from cable
Torque of locking nuts of outrigger axles (nylon nuts) .................50Nm to 70Nm
Nuts of wheel hubs and pivot axles .............................................50Nm to 70Nm
Locking of axle nuts of cylinder pins (nylon nuts).........................50Nm to 70Nm
Loosened nylon nuts should always be replaced with new nylon nuts. When a nylon nut
has been opened (for instance for a repair work), an opened nylon nut should be always
replaced with a new one.
Kesla
®
SELF PROPELLED TELESCOPIC PLATFORM
57
XS
190