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ASSEMBLY
FX17/FX21 02/11 Assembly Section 3-4
© 2011 Alamo Group Inc.
ASSEMBLY
CUTTER KNIFE INSTALLATION
Cutter knives are attached to the cutter shaft with hardened knife pins and cotter pins. These pins are supplied
with the knife kit. To replace existing knives, remove and discard used pins and install new knives using new
pins. Knife pins must be installed in certain direction to locate cotter pins where knives will not reach them
when flexing backward. After installing cotter pins, bend extended prong at a 45 degree angle.
FOR FORWARD ROTATION: On the right wing and center unit, all knife pins must be installed with their
heads facing away form the cuttershaft pulley. On the left wing, the heads of the knife pins must face the
cuttershaft pulley.
FOR REVERSE ROTATION: On the right wing and center unit, all knife pins must be installed with their heads
facing toward the cuttershaft pulley. On the left wing, the heads of the knife pins must face away from the
cuttershaft pulley.
WING DRIVELINE TIMING
Wing drivelines must be timed (left and right driveline yokes must be orientated at same position) with one
another to prevent damage to the driveline and gearbox when raising mower wings. If for any reason a wing
driveline must be disconnected make certain to orientate driveline yokes at same orientation as opposite
driveline wing when reconnecting.