8999151EN: v1 11/03/2021
80
Original instructions (ENGLISH)
Website: www.spearheadmachinery.com
DANGER! Failure to replace a worn or damaged gearbox shaft and/or upper blade carrier may lead to
catastrophic failure of the carrier assembly and ejection of broken parts which may cause serious bodily
injury or death.
IMPORTANT: It is of upmost importance that two rotors of the machine are timed 90° out of phase of each
other to ensure that the blades do not clash during operation; see Figure 5.32.
Always replace blade bolts and nuts and blade bushes with brand new items whenever blades are removed
and/or replaced. For torque settings on the components; see Section 5.7.
When fitting the upper blade carrier to the gearbox shaft ensure that there is no play between the splines. If in
doubt replace. Neglecting play in a worn gearbox shaft and/or upper blade carrier splines can cause serious
injury or death. It can also create abnormal vibrations in the machine which in turn can damage other machine
components.
IMPORTANT: Stop and do not use the machine when there is vibration in the machine, as this may cause
breakage and serious damage. Find the cause of the vibration or have it inspected by personnel assigned by
Spearhead and do not use the machine until the cause is identified and eliminated.
IMPORTANT: Always replace blade bolts and nuts and blade bushes with brand new items whenever blades
are removed and/or replaced. For torque settings on the components; see Section 5.7.
IMPORTANT: Always use genuine Spearhead parts when carrying out repairs and maintenance with thoughts
to longevity and reliability of the machine and personnel safety. Genuine Spearhead parts are made to specific
standards to give performance and safety. Substitute components may not meet specifications and may fail in a
hazardous manner that could cause injury.
Spearhead declines all responsibility for damage and/or injury caused by use of anything other than the
genuine Spearhead parts on Multicut rotary machines.
See Section 7 for guidance on spare parts. The machine serial number will be required to be quoted. For
guidance on finding the serial plate location; see Figure 1.4.
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