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Blade Carrier Installation
Clean the taper and splines on both the blade
carrier and output shaft. Castle nuts and cotter pins
are used to tighten the cutter pans to the splined
shaft on the cutter gearboxes. A cone washer is
used between the nut and the gearbox main shaft.
The washer must cone down towards the nut. A flat
washer may be required if the hole on the shaft and
the slots on the castle nut do not line up.
The slots on the underside of the blade carrier must
line up with the hole on the gearbox shaft so the
cotter key can be inserted. To aid in alignment,
mark a line on the bottom of the gearbox shaft,
parallel with the cotter key hole.
Rotate the blade carrier until the slots are parallel to
the mark. The pan may need to be spun 180° so the
splines match.
A 2-1/8" socket can be used to torque the M36 nut
to 600 ft-lbs(814 Nm) dry assembly. Strike the
carrier on the hub several times with a heavy
hammer to seat the hub. Use a suitable spacer over
the nut to prevent damage to the nut and threads.
Retighten the nut to 600 ft-lbs(814 Nm) dry
assembly. Install new cotter pins when retightening
these nuts.
It is important that the retaining nut be checked after
a f e w h o u r s o f o p e r a t i o n t h e n p e r i o d ic a l l y.
Retightened if necessary.
AVOID PERSONAL INJURY. DO
NOT work under cutter without support blocks to keep the frame from falling
FX209 07/19
© 2019 Alamo Group Inc.
MAINTENANCE
Maintenance Section 5-10
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