Fuerst FB42, Operator'S Manual

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OPERATION
Operation Section 4-6
OPERATION
© 2004 Alamo Group Inc.
FB42 08/01
2.6 Power Take Off (PTO)
2.5 Front End Weight
If operating an older model tractor where the tractor’s transmission and PTO utilize one master clutch, an over-
running clutch must be used between the PTO output shaft and the driveline of the mower. An authorized tractor
dealer can provide the over-running clutch and its installation if needed.
2.4 3-Point Hitch
The tractor 3-point hitch must be rated to lift at least
305 lbs.
The FB42 mower is designed to be mounted on a tractor
with a CAT I 3-point hitch. Refer to the tractor operator’s
manual for the category of the tractor being used. If
the hitch does not conform to ASAE CAT I dimensions,
the mower may not fit or raise properly. Consult an
authorized dealer for possible modification procedures
to mount non-conforming hitches.
Depending on the hitch category, certain size pins are
used to attach the mower to the tractor. CAT I hitches
require 7/8” lower and 3/4” upper diameter hitch pins.
CAT I Implement / Hitch Specifications
Width from outside to outside A-frame.............26-7/8"
Quick Hitch width inside lug to lug..................27-1/8"
Height from bottom hitch pin to top pin......................18"
Lower pin diameter.............................................7/8"
Upper pin diameter.............................................3/4"
Linch Pin diameter............................................15/32"
FB42 mowers are designed to operate at a PTO speed of 540 rpm. Most tractors operate at either 540, or a
combination of 540 and 1000 rpm PTO speeds. The speed of the tractor PTO can be determined by the number
of splines on the PTO output shaft. Those operating at 540 rpm will have a 6-spline 1-3/8” diameter shaft and those
operating at 1000 rpm will have a 21-spline, 1-3/8” diameter or 20-spline, 1-3/4” diameter shaft. Refer to the tractor
owner’s manual for instructions to change PTO speeds on models that operate at more than one speed.
A minimum of 20% total tractor weight must be maintained on the tractor front end when the mower is in the
raised position. Proper weight on the tractor front end is critical to maintain steering control and to prevent the
tractor from rearing up while driving. If the tractor 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.
Upper Pin Location
Top Link Attaches Here
Lower Hitch Pins
WARNING!
DO NOT use a PTO adapter to attach a non-matching Implement driveline to a Tractor PTO.
Use of an adapter can double the operating speed of the Mower resulting in excessive
vibration, thrown objects, and blade and mower failure. Adapter use will also change the
working length of the driveline exposing unshielded driveline areas. Serious bodily injury
and/or equipment failure can result from using a PTO adapter. Consult an authorized
dealer for assistance if the Implement driveline does not match the Tractor PTO.
(S3PT-14)