Krenn KRC 8, Instruction Manual, Page: 9 / 13

3.2. Blade Replacement
1 TO PREVENT ANY ACCIDENTS
KEEP AIR SUPPLY DISCONNECTED
THROUGHOUT THE WHOLE BLADE
REPLACEMENT OPERATION
2 REMOVE THE TWO FORK BOLTS.
LOOSEN THE BOLTS AND REMOVE
THE TWO HEAD AXLES BY PUTTING IT
ON A FLAT SURFACE AND HITTING THE
THREAD AREA WITH A NYLON HAMMER,
NOT TO DAMAGE THE THREAD.
3 PULL THE TWO BLADES APART. REMOVE
THE BOLT FROM THE HINGE AND
ASSEMBLE THE NEW BLADES. IT IS
ADVISABLE TO OIL ALL THE FRICTION
AND TURNING AREAS DURING THIS
OPERATION.
4 TIGHTEN THE FASTENING NUTS WITH AN
APPROXIMATE TORQUE OF 4mt/kg. IF A
DYNAMOMETRIC WRENCH IS NOT
AVAILABLE, APPLY ABOUT 20 kg.
WITH A CONVENTIONAL 17 mm
WRENCH INTRODUCE THE BOLTS
SUPPLIED WITH THE PART.
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