DeWalt 550 User Manual
TABLE OF CONTENTS
CUSTOMER MESSAGE Inside Front Cover
SAFETY PRECAUTIONS 3
92-0116 Rev. 060810
Model 550 Tube Severing Tool
GENERAL DESCRIPTION 6
SPECIFICATIONS 7
MAINTENANCE 9
OPERATION 10
REPAIRS AND REPLACEMENT 13
AIR DRIVE ASSEMBLY 15
TROUBLE SHOOTING 16
ACCESSORIES 18
ILLUSTRATED PARTS BREAKDOWN 19
DEWALT SAFETY INSTRUCTIONS 43
TOOL BIT RESHARPENING POLICY Inside Back Cover
WARRANTY INFORMATION Inside Back Cover
Copyright 2006
Proprietary property of TRI TOOL Inc.
No reproduction, use, or duplication of the information
shown hereon is permitted without the express written
consent of TRI TOOL Inc.
SAFETY PRECAUTIONS
IN GENERAL
When using rotating head cutting equipment, basic safety precautions should always
be followed to reduce the risk of personal injury.
Operate this tool only in accordance with specific operating instructions.
Do not override the deadman switch on the power unit. Locking down, ob-
WARNING:
DRESS CONSIDERATIONS
structing, or in any way defeating the deadman switch on the power drive unit
may result in serious injury.
Model 550 Tube Severing Tool
Use standard safety equipment. Hard hats, safety shoes, safety harnesses, protective clothes, and other safety devices should always be used when appropriate.
Use safety glasses. Do not operate cutting tools without eye protection.
Dress properly. Do not wear loose clothing or jewelry. They can be caught in rotating and moving parts. Avoid slippery floors or wear nonskid footwear. If you have
long hair, wear protective hair covering to contain it.
WORK AREA
Keep the work area clean. Cluttered work areas and benches invite injuries.
Consider the work area environment. Keep the area well lit. Keep electrical cords,
cables, rags, rigging straps, and etc. clear of rotating equipment. Do not use powercutting tools in the presence of flammable liquids and gasses.
Keep visitors away. Do not let visitors or untrained personnel at or near operating
tools. Enforce eye protection requirements for all observers.
Do not over reach. Keep proper footing at all times.
Stay alert. Watch what you are doing. Use common sense. Do not operate tools
when you are tired.
92-0116 : Rev. 060810
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TRI TOOL INC.
TOOL CARE
Maintain tools with care. Keep tools in good operating condition. Sharp tool bits
perform better and safer than dull tool bits. Well maintained tools function properly
when needed.
Check for damaged parts. If a tool has malfunctioned, been dropped or hit, it must
be checked for damage. Run no-load tests and feed function checks. Do a complete visual inspection.
Electric motors. Use only with proper AC voltage power sources and observe all
normal electric shock hazard procedures.
Do not abuse power and control cords. Pulling or running over cords and cables
can result in electrical shock hazards and malfunctions. Keep control and power
cords out of all cutting fluids and water.
Hydraulic drives. Observe proper procedures for electrically driven power sources.
Avoid damage to hydraulic lines. Keep quick-disconnects clean. Grit contamination
causes malfunctions.
Air tools. Check the exhaust muffler. Broken or damaged mufflers can restrict air
flow or cause excessive noise. Use air motors only with a filtered, lubricated and
regulated air supply. Dirty air, low-pressure air or over pressure air will cause malfunctions, including delayed starting.
AREA EQUIPMENT
Secure work. Whenever possible use clamps, vises, chains and straps to secure
pipe.
Make sure the tool is secured; it is safer to have both hands free to operate the tool.
TOOL USE
Use the right tool and tool bit for the job. Do not use a tool, which is incorrect for the
job you are doing.
Keep the tool bits fully engaged in the tool bit holders. Loose bits are a safety hazard.
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92-0116 : Rev. 060810
Model 550 Tube Severing Tool
Disconnect power supply during setup and maintenance. Use all ‘Stop’ or Shut off’
features available when changing or adjusting tool bits, maintaining the tool, or when
the tool is not in use.
Remove adjusting keys and wrenches before applying power to the equipment.
Develop a habit of checking the tool before turning it on to make sure that all keys
and wrenches have been removed.
Do not force tools. Tools and tool bits function better and safer when used at the
feed and speed rate for which they were designed.
Do not reach into rotating equipment. Do not reach into the rotating head stock to
clear chips, to make adjustments, or to check surface finish. A machine designed to
cut steel will not stop for a hand or an arm.
Handle chips with care. Chips have very sharp edges and are hot. Do not try to pull
chips apart with are hands; they are very tough.
Avoid unintentional starts. Do not carry or handle tools with your hand on the operating switches or levers. Do not lay the tool down in a manner that will start the
drive. Do not allow the tool to flip around or move when adjusting or changing tool
bits.
Store idle tools properly. Disconnect tools from the power source and store in a safe
place. Remove tool bits for safe handling of the tool.
92-0116 : Rev. 060810
5
TRI TOOL INC.
GENERAL DESCRIPTION
The Model 550 Tube Severing Tool series of tube cutters is designed to cut tubing in
areas where access to and around the tube is limited.
The Model 550 uses a cutter wheel to sever the tube. Normal operation will not
produce chips.
The Model 550 is powered by Tri Tool Inc. pneumatic, electrical or manual Drive
Units.
The Model 550 features an automatic feed, which permits an even pressure on the
cutting wheel during operation.
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92-0116 : Rev. 060810
SPECIFICATIONS
Envelope, Model 550-00, Tube Severing Tool
Model 550 Tube Severing Tool
92-0116 : Rev. 060810
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TRI TOOL INC.
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Envelope, Model 550-00, Tube Severing Tool
Model
P/N
No.
550-03 01-1062
550-04 01-1063
550-05 01-1064
550-06 01-1009
550-08 01-1065
550-10 01-1066
550-12 01-1067
550-14 01-1075
550-16 01-1068
550-18 01-1069
550-20 01-1070
Tube
Size
3/16"
4.8 mm
1/4"
6.4 mm
5/16"
7.9 mm
3/8"
9.5 mm
1/2"
12.7 mm
5/8"
15.9 mm
3/4"
19.1 mm
7/8"
22.2 mm
1"
25.4 mm
1 1/8"
28.6 mm
1 1/4"
31.8 mm
"A" "B" "C" Weight
3.67"
93.2 mm
3.67"
93.2 mm
3.67"
93.2 mm
3.67"
93.2 mm
4.36"
110.7 mm
4.53"
115.1 mm
4.63"
117.6 mm
4.88"
124.0 mm
5.02"
127.5 mm
5.88"
149.4 mm
6.13"
155.6 mm
1.50"
38.8 mm
1.50"
38.8 mm
1.50"
38.8 mm
1.50"
38.8 mm
2.25"
57.2 mm
2.38"
60.5 mm
2.50"
63.5 mm
2.63"
66.8 mm
2.75"
69.9 mm
3.13"
79.5 mm
3.38"
85.9 mm
1.25"
31.8 mm
1.25"
31.8 mm
1.25"
31.8 mm
1.25"
31.8 mm
1.53"
38.9 mm
1.53"
38.9 mm
1.53"
38.9 mm
1.53"
38.9 mm
1.53"
38.9 mm
1.53"
38.9 mm
1.56"
39.6 mm
2.25 lb
1.02 k
2.47 lb
1.12 k
2.65 lb
1.20 k
2.94 lb
1.33 k
3.16 lb
1.43 k
4.22 lb
1.91 k
4.85 lb
2.20 k
.75 lb
.34 k
.75 lb
.34 k
.75 lb
.34 k
.75 lb
.34 k
550-24 01-1071
550-28 01-1072
550-32 01-1073
8
1 1/2"
38.1 mm
1 3/4"
44.5 mm
2"
50.8 mm
7.10"
180.3 mm
7.70"
195.6 mm
8.19"
208.0 mm
4.00"
101.6 mm
4.38"
111.3 mm
4.75"
120.7 mm
1.56"
39.6 mm
1.56"
39.6 mm
1.56"
39.6 mm
6.64 lb
3.01 k
7.87 lb
3.57 k
9.10 lb
4.13 k
92-0116 : Rev. 060810
Model 550 Tube Severing Tool
MAINTENANCE
All components should be periodically cleaned and coated with a light film of oil.
Use a clean, non-detergent oil, preferably SAE 10 (90 SSU or lighter.)
The Cutting Wheel should be replaced if worn or damaged.
The Cutting Wheel life depends upon the tube material, wall thickness, and
operator’s experience.
Short and long bearing plugs should be replaced when worn, damaged or scratches
occur on the tube being cut.
92-0116 : Rev. 060810
9
TRI TOOL INC.
OPERATION
Read the operating instructions carefully before attempting to operate the Model 550
Tube Severing Tool.
Be sure to use eye protection at all times when operating the Model 550.
Select the proper Model 550 for the size of tubing to be severed.
Maximum Tube Wall Thickness
Model
No.
550-03 3/16" (4.8 mm) .065" (1.6 mm) .065" (1.6 mm) .065" (1.6 mm)
550-04 1/4" (6.4 mm)
550-05 5/16" (7.9 mm)
550-06 3/8" (9.5 mm)
550-08 1/2" (12.7 mm) .095" (2.4 mm) .100" (2.5 mm) .100" (2.5 mm)
550-10 5/8" (15.9 mm) .125" (3.2 mm)
550-12 3/4" (19.1 mm) .095" (2.4 mm)
550-14 7/8" (22.2 mm) .125" (3.2 mm)
550-16 1" (25.4 mm) .095" (2.4 mm)
550-18 1 1/8" (28.6 mm) .125" (3.2 mm)
550-20 1 1/4" (31.8 mm) .100" (2.5 mm)
550-24 1 1/2" (38.1 mm) .110" (2.8 mm)
550-28 1 3/4" (44.5 mm) .125" (3.2 mm)
Tube
Size
Aluminum
Stainless
Steel
Titanium
550-32 2" (50.8 mm)
Be sure the Cutter Wheel of the Tube Severing Tool you have selected is sharp,
rotates freely and is not damaged in any way.
A damaged or non-rotating Cutter Wheel can affect the performance of the tool.
Be sure Bearing Plugs are clean and not damaged.
Damaged Bearing Plugs affect the performance of the tool and should be changed.
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92-0116 : Rev. 060810
Select the proper Tri Tool Inc. Drive Unit that best suits the operation needed to be
performed.
Drive Input Location
A non Tri Tool Inc. Drive Unit will void the warranty.
Model 550 Tube Severing Tool
NOTE:
CONNECTING AND DISCONNECTING THE DRIVE SYSTEM TO THE MODEL 550
The entire series of Model 550 Tube Cutters are equipped with a quick disconnect
drive-mounting system.
The drive units, which are equipped with a mating quick disconnect, are universal,
they will operate with any Model 550 size that is selected.
If input is counterclockwise, sever damage will occur during cutting.
! WARNING !
Disconnect the Drive Unit from its power source
when installing or removing it from the Model 550
Tub Cutter otherwise serious injury may occur.
To connect an air or electric drive unit, simply align the slots of the drive system to
the pin located inside the Model 550 coupling, push the drive system inward and
rotate counterclockwise and release.
The drive unit is equipped with a spring to allow it to lock securely.
The drive unit should now be locked in place.
Align the slot.
The rotation direction of the input must be clockwise.
92-0116 : Rev. 060810
11
TRI TOOL INC.
Rotate drive shaft in a clockwise direction to align the slot.
If you miss alignment, simply realign the slot.
Load the Model 550 around the tube to be cut.
Apply a light force to insure that the Model 550 is over the tube.
The Model 550 must be held perpendicular to the surface of the tube to be cut.
Turn on the power for the Model 550 and begin the tube sever.
After the tube has severed, continue rotation, observing the cutting wheels until they
have returned to the home position.
Turn the power off.
Remove the Model 550 from the tube.
12
92-0116 : Rev. 060810
Model 550 Tube Severing Tool
REPAIRS AND REPLACEMENT
WARNING:
Rotate the drive shaft manually clockwise to rotate the cutter carriage to the desired
position.
REPLACEMENT OF THE CUTTER WHEEL
Rotate the Cutter Carriage Assy until you see the Cutting Wheel and the cutter
Wheel Securing Pin access hole.
Cutter Wheel Replacement
Disconnect the Drive Unit from the Model 550 Tube Cutter prior to any repairs
or replacements.
Take a small screwdriver and a pair of needle nose pliers to remove the Wheel
Securing Pin.
Insert a pair of needle nose pliers and take hold of the edge of the Cutter Wheel and
remove it from the Model 550 Tube Cutter.
Take the new Cutter Wheel and install it by reversing the removal procedure.
REPLACEMENT OF THE BEARING PLUGS
Rotate the Cutter Carriage Assy until the Bearing Plug that is to be replaced can be
seen.
Press out the worn Bearing Plug.
92-0116 : Rev. 060810
13
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