OPERATION
FX-315/FX-310 03/21
Operation Section 4-5
© 2021 Alamo Group Inc.
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2.4 Drawbar-Pull Type Mower
Position the length of the drawbar from the end of
the tractor PTO shaft to the drawbar hitch hole
according to the operating speed of the cutter. If
the cutter is a 540 RPM unit, position the drawbar
length from shaft end to hitch hole at 14”. For
1000 RPM cutters, set the drawbar length at 16”
for 21 spline 1-3/8” cutters and at 20” for 1-3/4”
20 spline cutters.
Incorrect drawbar length will change angle of
driveline causing possible damage to
constant velocity joint.
Do not use PTO
adaptors. PTO adaptors will invalidate your
warranty. See your tractors operator’s manual for
drawbar adjustment procedures.
2.5 Tractor Hydraulics
The mower deck and wings are raised and lowered with hydraulic cylinders operated by the tractor hydraulic
pump. There are several ways to configure the mower hydraulics depending on the number of tractor selective
control valves and if they are single or double acting. The mower can be operated on a tractor with a minimum
of three single acting circuits. One double acting and two single acting cylinders or a three spool control valve
must be used to operate the mower equipped with hydraulic phasing cylinders.
Refer to the assembly and parts section of this manual for hydraulic system set-up or contact an authorized
dealer for the best configuration depending on your tractor hydraulic capabilities and your intended mower use.
2.6 Front End Weight
A minimum of 20% total tractor weight must be maintained on the tractor front end at all times. Front end
weight is critical to maintain steering control and to prevent the tractor from rearing up while driving. If the
front end is too light, add weight until a minimum of 20% total weight is reached on the front tires. Front
weights and weight carriers can be purchased through an authorized tractor dealership.
OPS-U-0005
Summary of Contents for FX-310
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Page 41: ...Introduction Section 2 1 2021 Alamo Group Inc INTRODUCTION SECTION ...
Page 47: ...Assembly Section 3 1 2021 Alamo Group Inc ASSEMBLY SECTION ...
Page 63: ...Operation Section 4 1 OPERATION SECTION ...
Page 119: ...Maintenance Section 5 1 2021 Alamo Group Inc MAINTENANCE SECTION ...
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Page 142: ...SEGURIDAD FX 315 FX 310 03 21 Sección de Seguridad 1 29 2021 Alamo Group Inc SEGURIDAD ...
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Page 170: ...Sección de Seguridad 1 1 2021 Alamo Group Inc SECCIÓN DE SEGURIDAD ...
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