5.12.2 Lubrication Points
Knifehead
IMPORTANT:
Overgreasing can cause the knife to bend and make
contact with the guards closest to the knifehead. Check
for signs of excessive heating on
fi
rst few guards after
greasing. If required, relieve some pressure by removing
the grease
fi
tting.
• To prevent binding and/or excessive wear caused by
knife pressing on guards, do
NOT
over grease the
knifehead (A).
• Apply only 1–2 pumps of grease with a grease gun, or
just until the knifehead starts to move away from the
arm. Do
NOT
use an electric grease gun.
• If more than 6–8 pumps of the grease gun are required
to
fi
ll the cavity, replace the seal in the knifehead.
• Check for signs of excessive heating on
fi
rst few guards
after greasing. If required, relieve pressure by pressing
check-ball in grease
fi
tting.
Figure 5.44: Knifehead
(Single Knife – One Place)
(Double Knife – Two Places)
NOTE:
Use High Temperature Extreme Pressure (EP2) Performance with 1% Max Molybdenum Disulphide
(NLGI Grade 2) Lithium Base grease unless otherwise speci
fi
ed.
214047
71
Revision A
