McElroy Pit Bull 26 Operator's Manual
Operator’s
Manual
Pit Bull® 26
Fusion Machine
Manual: 711501 Revision: F 10/18
Original Language: English
Cancer and Reproductive Harm www.P65warnings.ca.gov
This product and other products
could be protected by patents or
have patents pending. All the latest
patent information is available at
patent.mcelroy.com
8163361
Introduction
Thank You for purchasing this
McElroy product
The Pit Bull® 26 model fusion machines are designed
to butt fuse thermoplastic pipe as well as tees, ells and
other fittings.
When fusing thermoplastic pipe materials, refer to the
pipe manufacturer's fusion procedures or appropriate
joining standard.
The Pit Bull 26 fuses 2” IPS through 6” DIPS (63mm
through 180mm).
With reasonable care and maintenance, these machines
will give years of satisfactory service.
Before operating this machine, please read this manual
thoroughly, and keep a copy with the machine for future
reference. This manual is to be considered part of your
machine.
TX04146-04-02-14
McElroy University
For more than 30 years, McElroy has been the only
pipe fusion machine manufacturer to continuously
offer advanced training. Course offerings are meant to
enhance your efficiency, productivity and safety in the
proper use of McElroy machines. McElroy University
classes are structured so that the skills learned and the
machines used in each class closely match the machines
found on pipelining jobsites. We offer training at
our facility or yours. Our uniquely qualified McElroy
University course instructors offer years of industry
experience.
Tuition for each course includes lunches, course materials
and a certificate of completion. Online registration,
as well as up-to-date course offerings and dates, is
available at www.mcelroy.com/university
This manual is intended as a guide only and does not
take the place of proper training by qualified instructors.
The information in this manual is not all inclusive and
can not encompass all possible situations that can be
encountered during various operations.
MU2-03-13-14
TX04659-03-24-14
Warranty
LIMITED WARRANTY
McElroy Manufacturing, Inc. (McElroy) warrants all
products manufactured, sold and repaired by it to be
free from defects in materials and workmanship, its
obligation under this warranty being limited to repairing
or replacing at its factory and new products, within 5
years after shipment, with the exception of purchased
items (such as electronic devices, pumps, switches, etc.),
in which case that manufacturer’s warranty applies.
Warranty applies when returned freight is prepaid and
which, upon examination, shall disclose to have been
defective. This warranty does not apply to any product
or component which has been repaired or altered by
anyone other than McElroy or has become damaged
due to misuse, negligence or casualty, or has not been
operated or maintained according to McElroy’s printed
instructions and warnings. This warranty is expressly in
lieu of all other warranties expressed or implied. The
remedies of the Buyer are the exclusive and sole remedies
available and Buyer shall not be entitled to receive any
incidental or consequential damages. Buyer waives
the benefit of any rule that disclaimer of warranty shall
be construed against McElroy and agrees that such
disclaimers herein shall be construed liberally in favor of
McElroy.
RETURN OF GOODS
Buyer agrees not to return goods for any reason except
upon the written consent of McElroy obtained in advance
of such return, which consent, if given, shall specify the
terms and conditions and charges upon which any such
return may be made. Materials returned to McElroy, for
warranty work, repair, etc., must have a Return Material
Authorization (RMA) number, and be so noted on the
package at time of shipment. For assistance, inquiry shall
be directed to:
McElroy Manufacturing, Inc.
P.O. Box 580550
833 North Fulton Street Tulsa, Oklahoma 74158-0550
PHONE: (918) 836–8611, FAX: (918) 831–9285.
EMAIL: fusion@McElroy.com
Note: Certain repairs, warranty work, and inquiries may
be directed, at McElroy’s discretion, to an authorized
service center or distributor.
DISCLAIMER OF LIABILITY
McElroy accepts no responsibility of liability for fusion
joints. Operation and maintenance of the product is the
responsibility of others. We recommend qualified joining
procedures be followed when using McElroy fusion
equipment.
McElroy makes no other warranty of any kind whatever,
express or implied; and all implied warranties of
merchantability and fitness for a particular purpose which
exceed the aforestated obligation are hereby disclaimed
by McElroy.
PRODUCT IMPROVEMENT
McElroy reserves the right to make any changes in or
improvements on its products without incurring any
liability or obligation to update or change previously sold
machines and/or the accessories thereto.
INFORMATION DISCLOSED
No information of knowledge heretofore or hereafter
disclosed to McElroy in the performance of or in
connection with the terms hereof, shall be deemed to be
confidential or proprietary, unless otherwise expressly
agreed to in writing by McElroy and any such information
or knowledge shall be free from restrictions, other than a
claim for patent infringement, is part of the consideration
hereof.
PROPRIETARY RIGHTS
All proprietary rights pertaining to the equipment or
the components of the equipment to be delivered by
McElroy hereunder, and all patent rights therein, arising
prior to, or in the course of, or as a result of the design
or fabrication of the said product, are exclusively the
property of McElroy.
LAW APPLICABLE
All sales shall be governed by the Uniform Commercial
Code of Oklahoma, U.S.A.
Register your product online to activate your warranty:
www.McElroy.com/fusion
(Copy information listed on the machine nameplate here
for your records).
TX02486-11-4-13
Model No.
Serial No.
Date Received
Distributor
Equipment Safety
Safety Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Read and Understand. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
General Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Wear Safety Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Heater is Not Explosion Proof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Electric Motors are Not Explosion Proof . . . . . . . . . . . . . . . . . . . . . . . 1-3
Electrical Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Facer Blades are Sharp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Heater is Hot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Fusion Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Overview
Theory of Heat Fusion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Reversible Jaws & Levers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Facer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Facer Stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Insulated Heater Stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Cam Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Clamp Knobs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Table of Contents
Operation
Read Before Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Prepare Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Install Clamping Inserts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Load Pipe into Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Insert Facer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Positioning Pipe in Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Face the Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Check Alignment of Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Check Heater Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Inserting Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Heating the Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Fusing the Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Optional Use of Torque Wrench . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Removing Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Special Operation - Knife Edge Inserts
Install Knife Edge Inserts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
COPYRIGHT © 2018, 2017, 2016, 2014, 2010
McELROY MANUFACTURING, INC.
All product names or trademarks are property of their respective owners. All information,
illustrations and specifications in this manual are based on the latest information available at
the time of publication. The right is reserved to make changes at any time without notice.
Tulsa, Oklahoma, USA
All rights reserved
Maintenance
Preventative Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Cleaning the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Clean and Lubricate Guide Rods . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Pivot Pins and Shafts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Remove Dirt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Clean and Lubricate Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Clean Eyebolt Threads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Fasteners Must be Tight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Installing Butt Fusion Heater Plates . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Clean Heater Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Adjusting Heater Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Heater Indicator Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Facer and Blades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Facer Guides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Removable Cam Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Maintenance Checklist
Maintenance Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Table of Contents
Determine Fusion Force
Determine Fusion Force . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Specifications
Pit Bull 26 Fusion Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
TX04145-8-3-10
Fusion Equipment Safety
Safety Alerts
This hazard alert sign appears in this manual.
When you see this sign, carefully read what it says.
YOUR SAFETY IS AT STAKE.
You will see the hazard alert sign with these words:
DANGER, WARNING, and CAUTION.
Indicates an imminently hazardous
situation which, if not avoided, will
result in death or serious injury.
Indicates a potentially hazardous
situation which, if not avoided, could
result in death or serious injury.
Indicates a hazardous situation which,
if not avoided, may result in minor or
moderate injury.
In this manual you should look for two other words:
NOTICE and IMPORTANT.
NOTICE: can keep you from doing something that might
damage the machine or someone's property. It may also
be used to alert against unsafe practices.
IMPORTANT: can help you do a better job or make your
job easier in some way.
WR00051-11-30-92
TX00030-12-1-92
Read and Understand
Do not operate this equipment until you have carefully read, and
understand all the sections of this manual, and all other equipment
manuals that will be used with it.
Your safety and the safety of others depends upon care and
judgment in the operation of this equipment.
Follow all applicable federal, state, local, and industry specific
regulations.
McElroy Manufacturing, Inc. cannot anticipate every possible
circumstance that might involve a potential hazard. The warnings
in this manual and on the machine are therefore not all inclusive.
You must satisfy yourself that a procedure, tool, work method, or
operating technique is safe for you and others. You should also
ensure that the machine will not be damaged or made unsafe by
the method of operation or maintenance you choose.
TX02946-4-15-09
WR00052-12-1-92
1 - 1
Fusion Equipment Safety
General Safety
Safety is important. Report anything unusual that you notice during
set up or operation.
LISTEN for thumps, bumps, rattles, squeals, air leaks, or unusual
sounds.
SMELL odors like burning insulation, hot metal, burning rubber, hot
oil, or natural gas.
FEEL any changes in the way the equipment operates.
SEE problems with wiring and cables, hydraulic connections, or other
equipment.
REPORT anything you see, feel, smell, or hear that is different from
what you expect, or that you think may be unsafe.
TX00114-4-22-93
SAFE1ST-12-22-92
Wear Safety Equipment
Wear a hard hat, safety shoes, safety glasses, and other
applicable personal protective equipment.
Remove jewelry and rings, and do not wear loose-fitting clothing
or long hair that could catch on controls or moving machinery.
TX00032-4-7-93
Heater Is Not Explosion Proof
This heater is not explosion proof. Operation
of heater in an explosive atmosphere without
necessary safety precautions will result in serious
injury or death.
When operating in an explosive atmosphere, the heater should be
brought up to temperature in a safe environment, then unplugged
before entering the explosive atmosphere for fusion.
WR00053-12-2-92
WR00034-11-30-92
TX04467-03-24-14
1 - 2
Fusion Equipment Safety
Electric Motors are Not Explosion Proof
Electric motors are not explosion proof. Operation of
these components in an explosive atmosphere without
necessary safety precautions will result in serious
injury or death.
See Section "Facer" in the Overview section for instructions on
removing brushes from facer motor.
TX02979-04-02-14
Electrical Safety
Always ensure power cords are properly
grounded. It is important to remember that you
are working in a wet environment with electrical
devices. Proper ground connections help to
minimize the chances of an electric shock.
Frequently inspect electrical cords and unit for damage. Have
damaged components replaced and service performed by a
qualified electrician.
Do not carry electrical devices by the cord.
NOTICE: Always connect equipment to the proper power source as
listed on the unit, or in the owner's manual.
NOTICE: Disconnect the equipment from the power source before
attempting any maintenance or adjustment.
WR00080-4-15-09
WR00055-4-7-93
TX 02947- 4-15-09
Facer Blades Are Sharp
Facer blades are sharp and can cut. Never
attempt to remove shavings while the facer is
running, or is in the facing position between the
jaws. Use care when operating the facer, and when handling the
unit.
NOTICE: Disconnect power from the facer, and remove the facer
blades before attempting any maintenance or adjustment.
NOTICE: Never extend the blade beyond the inner or outer
circumference of the facer.
TX02378-1-24-05
WR00025-11-30-92
WR00073-4-6-93
1 - 3
Fusion Equipment Safety
Heater is Hot
The heater is hot and will burn clothing and skin.
Keep the heater in its insulated heater stand or
blanket when not in use, and use care when
heating the pipe.
NOTICE: Use only a clean non-synthetic cloth such as a cotton
cloth to clean the heater plates.
TX00104-8-12-94
Fusion Procedures
Obtain a copy of the pipe manufacturer's procedures or
appropriate joining standard for the pipe being fused. Follow the
procedure carefully, and adhere to all specified parameters.
NOTICE: Failure to follow pipe manufacturer's procedure could
result in a bad joint. Always follow pipe manufacturer's
procedures.
WR00030-2-10-93
WR00079-1-24 -96
TX04469-10-24-12
1 - 4
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