OPERATION
BH300 Series 08/20
Operation Section 4-5
© 2020 Alamo Group Inc.
OPERA
TION
2.4 3-Point Hitch
The tractor 3-point hitch must be rated to lift at
least, 890 lbs (BH315), 1058 lbs (BH316), and
1200 lbs (BH317). These models are designed to
be mounted on a tractor CAT I, CAT II, or CAT III
3-Point or Quick Hitch.
Refer to the tractor operator’s manual for the
category of the tractor being used. If the hitch does
not conform to ASABE 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. (SEE
FIGURE 1) Quick Hitch requires 1-7/16” diameter
lower pin and 1-1/4” diameter upper pin.
Our 3-Point Quick Hitch is designed to connect to a
Quick-Attach
coupler
making
mounting
and
dismounting your mower easier. The 3-Point Quick
Hitch is also designed to connect the mower to a
tractor’s 3-point linkage without the use of a Quick-
Attach Coupler.
2.5 Power Take Off (PTO)
This mower is designed to operate at a PTO speed of 540 RPM. Most tractors operate at either 540
RPM, or a combination of 540 and 1000 RPM PTO speeds. The operating speed of the mower and trac-
tor can be determined by the number of splines on the driveline yoke and PTO output shaft. Those oper-
ating at 540 RPM will have a 6-spline shaft and those operating at 1000 RPM will have a 20-spline or a
21-spline shaft.
Note
: The mower will not operate on tractors equipped with a 1000 RPM 21-spline or 1000
RPM 20-spline, 1-3/4” shaft. Refer to the tractor owner’s manual for instructions to change PTO speeds on
models that operate at more than one speed.
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 author-
ized tractor dealer can provide the over-running clutch and its installation if needed.
OPS-U- 0066
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 Implement resulting in
excessive vibration, thrown objects, and blade and implement 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)
Lift Arms Hitch Pins
Top Link Hitch Point
FIGURE 1
Summary of Contents for BH300 Series
Page 9: ...Safety Section 1 1 2020 Alamo Group Inc SAFETY SECTION...
Page 26: ...SAFETY BH300 Series 08 20 Safety Section 1 18 2020 Alamo Group Inc SAFETY Decal Description...
Page 27: ...SAFETY BH300 Series 08 20 Safety Section 1 19 2020 Alamo Group Inc SAFETY...
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Page 85: ...Introduction Section 2 1 2020 Alamo Group Inc INTRODUCTION SECTION...
Page 89: ...INTRODUCTION BH 300 Series 08 20 Introduction Section 2 5 2020 Alamo Group Inc INTRODUCTION...
Page 90: ...INTRODUCTION INTRODUCTION BH 300 Series 08 20 Introduction Section 2 6 2020 Alamo Group Inc...
Page 91: ...Assembly Section 3 1 2020 Alamo Group Inc ASSEMBLY SECTION...
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Page 97: ...Operation Section 4 1 2020 Alamo Group Inc OPERATION SECTION...
Page 143: ...Maintenance Section 5 1 2020 Alamo Group Inc MAINTENANCE SECTION...
Page 146: ...MAINTENANCE BH300 Series 08 20 Maintenance Section 5 4 2020 Alamo Group Inc MAINTENANCE...
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