Centrifugal PTO Pumps

Centrifugal
PTO Pumps
2nd Edition
MAN072
November 2005
©2005
Centrifugal PTO pumps are manufactured
by AMADAS Industries.
You can find us on the Web at:
www.amadas.com
or e-mail us at:
amadas@amadas.com
You can also contact us at:
P.O. Box 1833 / Suffolk, VA 23439
(mailing)
1100 Holland Road / Suffolk, VA 23434
(shipping)
(757) 539-0231 (phone)
(757) 934-3264 (FAX)
P.O. Box 3687 / Albany, GA 31701
(mailing)
1701 South Slappey Blvd. / Albany, GA 31706
(shipping)
(229) 439-2217 (phone)
(229) 439-9343 (FAX)
PTO Pump
Introduction
Table of
Contents
Welcome .................................................... ii
1. Safety ..................................................... 1
Overview ................................................ 2
Safety Symbols ...................................... 3
Safety Guidelines ................................... 5
Safety Decals ......................................... 6
2. Set Up..................................................... 7
Before Setting Up ................................... 8
Setup Instructions .................................. 9
3. Operation ............................................. 11
Pre-Operation Checklist ....................... 12
How to Use the PTO Pump .................. 13
How to Stop the PTO Pump ................. 14
4. Maintenance ........................................ 15
Regular Maintenance ........................... 16
Before Performing Maintenance .......... 16
Maintenance Schedule ......................... 17
Gearbox ........................................... 18
Primary Valve .................................. 18
Priming Pump .................................. 18
PTO Drive Shaft .............................. 18
Packing Gland ...................................... 19
Winterizing ........................................... 19
Pump Body ...................................... 19
Water-Cooled Gearboxes ................ 19
PTO Drive Shaft .............................. 20
Gearbox ........................................... 20
General Winterizing ......................... 20
Troubleshooting ................................... 21
Appendix............................................. A – 1
PTO Drive Shaft Alignment .............. A - 2
Warranty Statement
MAN072
09/08/09
i
Introduction
PTO Pump
Welcome
to AMADAS
Industries
ii
09/08/09
With origins dating back to 1963, AMADAS
Industries and its predecessors have a long
history of providing high quality, reliable,
innovative equipment for the farming
industry. AMADAS equipment is currently
at work throughout the United States and in
many other countries.
This equipment
includes machinery such as the Magnum
Fource Peanut Combine, Reel Rain
Traveler Irrigation System, Tree Bark
Processing and Packaging Machinery, the
Soils and Bark Bagger, and centrifugal PTO
pumps.
MAN072
PTO Pump
Introduction
PTO Pumps
Congratulations on your purchase of an
AMADAS PTO pump. AMADAS centrifugal
PTO pumps are available to suit most types
of irrigation systems.
These proven,
rugged, efficient pumps are cart-mounted
and easily transportable.
AMADAS PTO pumps are designed for long
life as well as efficiency. We are confident
you will receive many years of dependable
service from your PTO pump.
Standard Features
Each of our PTO pumps includes the
following standard features:

PTO drive shafts

Primer with valve

Pressure gauge

Suction adapter

Heavy duty pump cart with semipneumatic tires.
Optional Features
The following optional features are available
for the chain conveyor:

Suction line assembly with flexible hose
pump connection

Foot-valve

Strainer.
MAN072
09/08/09
iii
Introduction
PTO Pump
Specifications
The following chart lists the specifications of
the available PTO Pumps.
PTO Pump Performance
Model
D02/40
GPM
PSI
HP
D3/65
DMR 80-3/2*
50 60 70 80 90 100 150 200 250 300 350 400 450 500 600 700 800 1000 1200 1400
103 103 102 100 99 98 88 71
7
8
9
10 10 11 13 15
PSI 161 160 156 154 151 146 142 136
HP 29 34 38 42 46 50 53 55
PSI 192 191 190 187 185 182 178 169 157 140
HP 50 53 56 60 63 66 70 76 83 90
PSI 235 235 235 235 235 232 231 224 213 200
DMR 83-3/2*
61
540 RPM
1000RPM
iv
GPM:
50
60
70
80
66
70
75
80
84
88
97
Suction
NPT(F)
2"
4"
4"
4"
5"
4"
5"
106 114
90 100 150 200 250 300 350 400 450 500 600 700 800 1000 1200 1400
09/08/09
Discharge
NPT(F)
2"
Above details apply
to fully fitted pumps
MAN072
PTO Pump
Safety
1.
Safety
Overview .....................................................2
Safety Symbols ...........................................3
Safety Guidelines ........................................5
Safety Decals ..............................................6
MAN072
09/08/09
1
Safety
PTO Pump
Overview
Safety
is
everyone's
responsibility!
Although safety features are incorporated
into the machine and dangerous areas are
marked, ultimately, careful operation is the
best way to prevent an accident. To reduce
the risk of accidents, please read thoroughly
and follow the safety instructions and
messages included in this manual and on
the machine.
Safety Symbols Used
Three safety symbols are used on the
machine and in this manual.
CAUTION
NEVER remove, tamper with, or
modify guards or shields!
NEVER open or take off the shields
while the machine is operating!
NEVER run the machine if the
shields are missing or removed!
DANGER
WARNING
CAUTION
Please familiarize yourself with
each symbol and its meaning. It
is crucial to your safety, and the
safety of others, that you follow
the safety precautions indicated
by these symbols. The section
beginning on the next page
explains each of these symbols
in detail.
Protective Devices
Protective guards and shields have been
installed to protect you from hazards.
2
09/08/09
MAN072
PTO Pump
Safety
Safety Symbols
Danger
This symbol indicates an imminently
hazardous situation, which if not avoided, will
result in death or serious injury. The use of
the word DANGER is limited to the most
extreme situations. Extreme care should be
taken when you near these areas. DANGER
decals are located at or as near as possible to
these areas.
DANGER
Warning
This symbol identifies areas or practices,
which if not avoided, could result in serious
personal injury. These injuries could range
from minor cuts to dismemberment. Warning
decals are located at or as near as possible to
these areas.
WARNING
Caution
This symbol identifies a potentially hazardous
situation, which if not avoided, may result in
minor or moderate injury. It may also be used
to alert against unsafe practices that could
cause damage to the machine.
Caution
decals are located at or as near as possible to
these areas.
MAN072
09/08/09
CAUTION
3
Safety
PTO Pump
Safety Alert Symbol
This symbol alerts you to possible hazards.
Follow the recommended precautions and
safe operating procedures. If you have any
questions, please contact your dealer or the
manufacturer.
Safety Instructions
Safety features have been designed into the
machine with hazardous areas marked.
Please read and follow the instructions in this
manual prior to operating, maintaining, or
servicing this machine.
Notes
Throughout the manual, information that
needs to be emphasized is set apart with
either a "NOTE!" or "IMPORTANT!" heading.
Please be sure to read carefully this
information, as it usually indicates a situation
that could cause machine damage.
4
09/08/09
NOTE! We recommend that you use a
flexible hose to connect the discharge pipe
to the pump. A flexible hose will eliminate
any possible stress on the plump flange.
MAN072
PTO Pump
Safety
Safety Guidelines
 Do NOT operate the pump above the
recommended speeds. The maximum
input speed, 640 or 1000 RPM, is
specified for each pump.
BEFORE servicing the pump:
 Disengage power to the PTO drive shaft,
turn off the tractor, and wait for all
moving parts to stop.
 Disconnect and remove the PTO drive
shaft.
Many
accidents
can
be
prevented by your knowledge of
safety.
Prevent injuries by
reading and following the safety
warnings in this manual and on
the machinery. Alert others to
potential hazards.
 Wait until pressure drops to 0 (zero)
before disconnecting any lines.
Remember all machinery can be
dangerous if used incorrectly.
Please operate carefully. Safety
is only a word until it is put into
practice!
When operating the pump:
 Keep hands, feet, and clothing away
from moving parts.
 Keep all safety shields in place
 Verify that everyone is clear of the pump
and tractor, both prior to starting and
during operation.
 Do NOT tow the pump cart at speeds
greater than 10 MPH.
 Do NOT allow anyone to ride on the
pump cart.
MAN072
09/08/09
5
Safety
PTO Pump
Safety Decals
Safety decals identify specific hazards and
general safety. Please note the following
about the decals:
 Keep them clean and legible.
 Never remove a safety decal from the
machine.

When you replace a part with a safety
decal, also replace that decal.
 For replacement decals, call
AMADAS parts representative.
your
 Replacement safety decals are available
free of charge.
Decals
The following decals are included on the
PTO pump.
NOTE!
AMADAS provides each
machine with a basic set of safety
decals. These decals are listed on this
page. In addition, your machine may
include
other
safety
decals
as
appropriate.
8190
8191
8188
6
09/08/09
MAN072
PTO Pumps
Setup
2.
Setup
Before Setting Up........................................8
Setup Instructions .......................................9
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09/08/09
7
Setup
PTO Pumps
Before Setting Up
Before you set up your PTO pump, please
read the following:

Carefully
read
over
the
setup
instructions and familiarize yourself with
the setup procedure.
 When you connect your pump and
tractor for the first time, or change to
another tractor, check the length of the
PTO drive shaft. If the shaft is too long,
you will need to shorten it.
 Perform
the
pre-setup
indicated on the checklist.
inspection
Inspection Checklist
 Remove all packing materials.
 Carefully inspect your pump and
all
associated
parts
and
equipment.
 If there is any evidence of damage
from shipment or handling, report
it immediately to your AMADAS
representative.
8
09/08/09
MAN072
PTO Pumps
Setup
Setup Instructions
1. Hitch the pump cart to the tractor.
2. Tow the pump to the desired location.
Do NOT exceed 10 MPH.
3. Position the pump on level ground as
close as possible to the water source.
4. Lubricate the PTO drive shaft universal
joints and telescoping tubes.
NOTE! We recommend that you use a
flexible hose to connect the discharge
pipe to the pump. A flexible hose will
eliminate any possible stress on the
pump flange.
9. Connect the Engine Protection Unit
(EPU), if equipped with one.
5. Check the gearbox oil level. Refill with
90W oil if necessary.
6. Install the PTO drive shaft as follows:
a. If the PTO drive shaft needs to be
shortened,
shorten
the
shaft
assembly by cutting equal amounts
from both halves.
Maintain the
maximum possible overlap.
b. Keep the PTO drive shaft as straight
as possible to minimize universal joint
wear and power loss.
c. Do NOT operate the shaft at angles
exceeding 15 degrees.
d. For maximum efficiency, the input
and output shafts should be parallel
to each other. If necessary, the
tractor can be maneuvered until the
shafts line up.
7. Submerge the foot-valve or strainer to sit
directly on the bed of the water source.
A slide or float should be used to
prevent mud, sand, or other abrasive
materials from entering the pump.
8. Connect the discharge plumbing to the
pump. Support any long lengths of pipe
that will cause unnecessary stresses on
the pipe flange.
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09/08/09
9
Setup
PTO Pumps
NOTES
10
09/08/09
MAN072
PTO Pumps
Operation
3.
Operation
Pre-Operation Checklist ............................12
How to Use the Pump ...............................13
How to Stop the PTO Pump......................14
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09/08/09
11
Operation
PTO Pumps
Pre-Operation Checklist
Before using your pump, perform the
checklist to make sure that the machine is
ready to be used.
DANGER
Do NOT operate this machine without
reading and fully understanding this
operator’s manual. Failure to do so
could result in injury or death to the
operator or damage to the pump and/or
tractor.
12
09/08/09
Checklist

Check that the tractor and pump
are correctly positioned.

Make sure the PTO drive shaft is
as straight as possible.

Make sure the input and output
shafts are parallel to each other.

Check that all safety shields, both
on the pump and PTO shaft, are
in place. Do NOT operate the
pump unless all safety shields
are in place!

Check
that
all
necessary
lubrication has been completed.

Verify that all suction and
discharge plumping is securely
connected.

Check the tractor fuel, oil, and
water levels. Refill if necessary.

Verify that the Engine Protection
Unit (EPU), if equipped, is
connected.

Check that the distribution system
is ready for operation.
MAN072
PTO Pumps
Operation
How to Use the Pump
IMPORTANT! Since a tractor may be
left unattended for an extended period of
time
during
irrigation
work,
we
recommend you use an Engine
Protection Unit (EPU). An EPU will
automatically shut down the tractor in the
event of a problem such as loss of
engine oil pressure, engine overheating,
excessive pump pressure, or the loss of
pump prime.
1. Close the priming pump drain cock.
2. If the primer pump is mounted on the
pressure side, open the isolating valve.
3. Prime the system using the primer pump.
The system is primed when water
comes out of the primer and pumping
the handle becomes very difficult.
4. If the primer pump is mounted on the
pressure side, close the isolating valve.
5. If fitted, switch the EPU (Engine
Protection Unit) to the start mode.
CAUTION
Verify that everyone is clear of the tractor
and the pump before you start the
tractor.
6. Start the tractor and engage the PTO
shaft.
7. Open the throttle to approximately 50%
of the maximum PTO speed for the
pump. The pump should slowly begin to
build pressure and discharge water.
8. If the pump fails to discharge water,
disengage the pump to the PTO drive
shaft and stop the tractor. Re-prime the
pump and try again. If the pump fails to
MAN072
09/08/09
discharge water after a second attempt,
stop the tractor immediately and
examine the pump for possible
problems.
CAUTION
Do NOT prime the pump connected to
the pressure side while the PTO shaft is
driving the pump. Disengage the power
to the PTO shaft before priming the
pump.
9. Check that the lever on the discharge
priming valve rises, the pressure
registers on the pressure gauge, and
that the packing gland is dripping water.
CAUTION
During operation, water must drip from
the packing gland at a slow, steady rate.
The packing relies on water for cooling
and lubrication. If water does not drip
from the packing gland, stop the pump
immediately and adjust the gland.
10. Allow the pipeline to fill slowly. Do NOT
run the tractor above half speed until
water is seen emerging from the
distribution system continuously for two
minutes
without
intermittent
air
discharge.
CAUTION
Do NOT increase the PTO speed until
the pipeline is full of water. Filling the
system slowly prevents the system from
being damaged by water hammer,
avoids overloading the tractor, and helps
the pump keep its prime.
11. When the system has filled, increase the
tractor PTO speed until the full operating
pressure is reached.
13
Operation
PTO Pumps
CAUTION
Do NOT operate the pump above the
recommended speed. Maximum input
speed of 540 or 1000 RPM is specified
for each pump.
How to Stop the PTO Pump
1. Slowly decrease the PTO speed.
2. Disengage the power to the PTO drive
shaft.
3. Stop the tractor.
14
09/08/09
MAN072
PTO Pump
Maintenance
4.
Maintenance
Regular Maintenance ................................16
Before Performing Maintenance ...............16
Maintenance Schedule .............................16
Gearbox.................................................18
Primary Valve ........................................18
Priming Pump ........................................18
PTO Drive Shaft ....................................18
Wheels/Tires .........................................18
Packing Gland .......................................19
Winterizing ................................................19
Pump Body ............................................19
Water-Cooled Gearboxes......................19
PTO Drive Shaft ....................................20
Gearbox.................................................20
General Winterizing ...............................20
Troubleshooting ........................................21
MAN072
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15
Maintenance
PTO Pump
Regular Maintenance
We strongly recommend that you perform
regular maintenance on your PTO Pump to
help ensure efficient and safe operation.
This section describes the maintenance that
is needed to maintain your PTO pump and
to provide you with years of reliable service.
Before Performing
Maintenance
WARNING
Failure to shut down the tractor before
performing maintenance or lubrication
could result in serious personal injury or
damage to the machine.
1. Disengage the power to the PTO shaft.
2. Turn the tractor off and remove the keys.
3. Disconnect the PTO shaft.
Maintenance Schedule
The
following
page
contains
the
maintenance
schedule
we
strongly
recommend that you follow to maintain your
PTO pump at its safest and most efficient
operation.
16
09/08/09
MAN072
PTO Pump
Maintenance
Maintenance Schedule
Interval
Item
Action
Each
Use
Check oil
X
Every
Week of
20 Hours
First
Month or
50 Hours
Every 3
Months
or 100
Hours
Every 6
Months
or 200
Hours
Every
Year or
600
hours
Gearbox
Change oil
Primary Valve
Priming Pump
X
Apply oil to
pivots
X
Check
valve seats
X
Apply oil to
pivots
X
Grease Ujoints
X
Oil yoke
push pins
PTO Drive
Shaft
Wheels/tires
Apply oil to
shield
bearings
X
Separate
and grease
2 halves of
shaft
X
Check
pressure
X
Grease
bearings
MAN072
X
09/08/09
17
Maintenance
PTO Pump
DANGER
Wheels/Tires
Always disengage power to the PTO
shaft, turn the tractor off, remove the
key, and disconnect the PTO shaft
before servicing the pump. Failure to do
so can result in serious personal injury or
damage to the machine.
Check the air pressure in the tires every
three months or 100 hours, whichever
comes first.
The recommended tire
pressure is 20 PSI.
Gearbox
Check the oil in the gearbox each time you
use the PTO pump.
Change the oil in the gearbox monthly or
every 50 hours, which ever comes first.
Replace the oil with a good quality SAE 90
gear oil.
Primary Valve
Apply oil to the primary valve’s pivots
weekly or every 20 hours, whichever comes
first. Check the valve seats at the same
time.
Priming Pump
Apply oil to the priming pump’s pivots
weekly or every 20 hours, whichever comes
first.
PTO Drive Shaft
Every time you use the PTO pump, you
need to do the following maintenance on the
PTO drive shaft:




18
Grease the U-joints
Oil the yoke push pins
Apply oil to the shield bearings
Separate and grease the two halves
of the shaft.
09/08/09
MAN072
PTO Pump
Maintenance
Packing Gland
Winterizing
During the pump’s operation, one drop of
water must drip from the packing gland
every 2-3 seconds. The packing relies on
this water to cool and lubricate. If the water
drips excessively, however, an air leak may
form that will cause a loss in the pump’s
efficiency or prime.
During the winter months, take special care
to maintain the pump in good condition.
Follow the instructions for winterizing the
pump parts to help prevent corrosion and
freezing damage during winter storage.
To adjust the amount of water dripping from
the gland:
1. Remove the plug from the base of the
pump body and drain all the water.
2. Rotate the impeller shaft by hand several
times to release any trapped water.
DANGER
Always disengage power to the PTO
shaft, turn the tractor off, remove the
key, and disconnect the PTO shaft
before servicing the pump. Failure to do
so can result in serious personal injury or
damage to the machine.
1. If the water does not drip fast enough
from the packing gland, loosen the two
gland nuts evenly until the leak
increases to a steady drip.
2. If water drips excessively from the
packing gland, tighten the two gland
nuts until the leak is reduced to a steady
drip.
3. If the packing gland leaks excessively
and the leak cannot be reduced by
tightening the two gland nuts, add a new
packing ring.
4. If there is insufficient room to add an
additional ring, new packing should be
installed. A new set of packing normally
consists of five rings. Each ring is split.
When you install the new rings, position
the splits alternately at 180 degrees.
Adjust the gland until water drips
steadily.
MAN072
Pump Body
09/08/09
3. Replace the plug and pour one pint of
motor oil into the pump through the
suction port.
4. Rotate the impeller shaft by hand about
10 times to coat the impeller with oil.
5. Remove the plug and allow the oil to
drain. Replace the plug.
Water-Cooled Gearboxes
On pumps equipped with water-cooled
gearboxes, the cooling lines must be
drained to prevent damage due to water
freezing in the line. We recommend that
you drain these lines prior to putting oil in
the pump body.
1. Disconnect the copper tubes from the
lowest point on the pump body and blow
out any water.
2. For additional protection, put anti-freeze
into the lines using an oil can.
3. Re-connect the lines.
19
Maintenance
PTO Pump
PTO Drive Shaft
1. Remove the PTO shaft.
2. Lubricate all fittings.
3. Smear grease or oil onto the spine of
each end yoke.
1.
NOTE! If possible, cover the tires so
that they will not be exposed to direct
sunlight. Exposure to ultraviolet rays will
cause damage to the rubber and shorten
the life of the tires.
Gearbox
1. Drain the oil and refill.
2. Rotate the gearbox input shaft several
times to coat the gears with oil.
3. Coat the gearbox input shaft with grease
or oil to prevent corrosion.
General Winterizing
Perform the following steps to prepare the
PTO pump for winter.
1. Coat the outside of the packing gland
with oil.
2. Grease the wheel bearings with a good
quality wheel bearing grease.
3. Lubricate the priming valve. Wipe any
excess oil off of the rubber seat.
4. Oil the priming pump pivot points and
open the priming pump drain valve.
5. Cover the pump ports to keep dirt, dust,
debris, and animals out.
6. Store the pump under cover in a clean,
dry place.
7. Block the pump up to remove the weight
from the tires.
8. Decrease air pressure in the tires to 10
PSI.
20
09/08/09
MAN072
PTO Pump
Maintenance
Troubleshooting
Problem
Pump will not prime
Cause
Remedy
Air leak in suction piping.
Look for holes, cracks, or
loose connections and repair
as needed.
Packing gland is loose.
Tighten gland.
Excessive suction lift.
Move pump closer to the
water.
Suction inlet blocked.
Check inlet and clean out.
Broken priming pump.
Check priming pump and
make necessary repairs.
Defective priming
discharge valve.
Check the priming valve
discharge and make
necessary repairs.
Suction inlet partially
blocked.
Check the suction inlet and
clean out.
Suction screen/pipe too
small.
Check with your local dealer
and replace as necessary.
Impeller partially blocked.
Examine the impeller and
clean out.
Pump speed too slow.
Increase the speed. Make
sure the PTO is operating
properly.
Air entering pump
through suction pipework or packing gland.
Check the pipe-work for
leaks. Tighten the packing
gland.
Excessive suction lift.
Move the pump closer to the
water.
Flow is too low
MAN072
09/08/09
See
Page
19
19
21
Maintenance
Problem
PTO Pump
Cause
Pump speed too slow.
Increase the speed. Make
sure the PTO is operating
properly.
Air entering through
packing gland.
Check for leaks and tighten
the packing gland.
Excessive suction lift.
Move pump closer to the
water.
Impeller partially blocked.
Examine the impeller and
clean out.
System demand exceeds
the pump capacity.
Check the system for large
leaks. Check that the system
demand (sprinkler nozzle
sizes, etc.) matches the pump
capacity.
Pump speed is too high.
Reduce speed to
recommended maximum.
Tractor PTO is defective.
Service or replace the PTO
as necessary.
Excessive PTO drive
shaft misalignment.
Re-align the tractor and
pump.
Pump gland is too tight.
Loosen the gland and make
necessary adjustments.
System demand exceeds
pump capacity.
Check the system for large
leaks. Check that the system
demand (sprinkler nozzle
sizes, etc.) matches the pump
capacity.
Pressure is too low.
Pump requires too
much power.
22
Remedy
09/08/09
See
Page
19
19
MAN072
PTO Pump
Problem
Maintenance
Cause
Air entering suction pipework causing pump to
lose prime.
Check for leaks in the pipework and repair.
Large air leak through
packing gland.
Tighten gland if possible. If
necessary, replace the
packing gland.
Suction inlet plugged.
Check suction inlet and clean
out.
Water level is too low.
Increase depth of water over
suction strainer.
Transmission failure.
Service transmission as
needed.
No oil in gearbox.
Fill gearbox with a good
quality SAE 90 gear oil to
level on dipstick.
Bearing failure.
Service bearings. Lubricate
or replace as needed.
Suction lift too high.
Move pump closer to the
water.
Partially blocked suction
line or pump impeller.
Check suction line and pump
impeller. Clean out each as
needed.
Flow rate too high or too
low.
Make sure the system
demand matches the pump
capacity. Adjust the system
or change the pump as
necessary.
Stops pumping.
Severe vibration or
noise.
MAN072
Remedy
09/08/09
See
Page
19
23
Maintenance
Problem
Excessive packing
gland leak.
PTO Pump
Cause
Remedy
Pump shaft worn.
Replace the pump shaft.
Pump shaft running off
center due to bearing
failure.
Replace the bearings.
Gland packing worn.
Replace packing.
See
Page
19
Drain and flush gearbox. Fill
Too little oil, too much oil,
with correct grade of oil (good
or wrong grade of oil.
quality SAE 90 gear oil).
Gearbox overheats.
24
Gears damaged.
Replace gears.
Pump speed too high.
Reduce speed to
recommended maximum
speed.
Flow rate too high.
Make sure system demand
matches pump capacity.
Adjust the system or change
the pump as necessary.
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PTO Pump
Appendix
Appendix
PTO Drive Shaft Alignment .................. A – 2
Diagrams............................................... A - 3
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A-1
Appendix
PTO Pump
PTO Drive Shaft Alignment
The drive shaft for the 550 RPM PTO has a
1-3/8” – 6 spline attaching yoke. The shaft
for the 1000 RPM has a 1- 3/8”- 21 spline.
Each yoke has a spring loaded locking pin
that fits the groove in the tractor shaft.
Since irrigation pumping imposes a
continuous load on the tractor and the
engine unlike other operations, make sure
the load on the tractor PTO does NOT
exceed 75% of the available maximum belt
horsepower output. If your tractor is older,
use a lower percentage. Refer to the
diagram below.
CAUTION
Do NOT use adapters to attach a 550
RPM pump to a 1000 RPM PTO tractor.
This could overload your pump and
tractor engine or the pump speed
increaser. This type of failure voids your
pump warranty.
All tractor PTO pumps are furnished with
a drive line guard over the pump input
shaft. These guards must be in place
during operation.
A-2
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PTO Pump
Appendix
Diagrams
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A-3
Appendix
A-4
PTO Pump
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MAN072