Husqvarna Saw 544 93 62 01 User Manual

Operator’s manual & spare parts list.  
It is the owner’s responsibility to ensure that all operators of this  
machine have read and understood the content of this manual be-  
fore using the product! Careless or improper use of this machine  
can cause serious or even fatal injury! Allow only competent adults  
to operate this machine!  
K 750  
SpeedMill  
 
SAFETY SYMBOLS & DECALS  
Key to symbols  
WARNING! The machine can be a  
dangerous tool if used incorrectly or  
carelessly, which can cause serious or fatal  
injury to the operator or others.  
Operator must wear head protection such as  
a hard hat!  
Please read the operator’s manual carefully  
and make sure you understand the  
instructions before using the machine.  
Operator must wear protective footwear such  
as safety shoes or safety boots!  
Always wear:  
Protective helmet  
The operator must wear protective cloth-  
ing appropriate to the work he is doing.  
Never wear loose clothing or jewelry. Keep  
long hair tied back. Keep your hair, cloth-  
ing, and gloves away from the rotating tool!  
Hearing protection  
Protective goggles or a visor  
WARNING! Dust forms when cutting, this  
can cause injuries if inhaled. Use an  
approved breathing mask. Avoid inhaling  
petrol fumes and exhaust fumes. Always  
provide for good ventilation.  
The working area must be completely clear,  
well lit and all safety hazards removed.  
WARNING! Sparks from the cutting blade  
can cause fire in combustible materials  
such as: petrol (gas), wood, dry grass etc.  
Any persons not involved in the work, should  
leave the area.  
Operator must wear eye protection!  
Operator must wear hearing protection!  
Operator must wear respiratory  
protection!  
(Reference OSHA 29CFR 1910.95,  
1910.133-138)  
FOR INFORMATION ON DECALS FOR  
THE SPEEDMILL, SEE THE SPARE  
PARTS LIST SECTION OF THIS DOCU-  
MENT.  
FOR INFORMATION ON DECALS FOR  
THE K 750 POWER CUTTER, SEE THE  
SPARE PARTS LIST FOR THE K 750.  
SpeedMill 3  
 
SAFETY INSTRUCTIONS  
Safety Instructions:  
Introduction  
Thank you for purchasing your new machine from Husqvar-  
na Construction Products. We have provided important  
safety messages in this manual and on the machine.  
Please read these messages carefully. A safety message  
alerts you to potential hazards that could hurt you or others.  
Each safety message is preceded by a symbol or the safety  
WARNING!  
Before starting up machine make sure you  
completely read these instructions and the  
power cutter operation manual. Be familiar with  
operation of the machine before operation!  
alert symbol (  
CAUTION.  
) and one of two words, WARNING, or  
Your SpeedMill comes with two Operator’s  
Manual’s. This one for the SpeedMill attach-  
ment and one for the K750 power head. It is the  
owner’s responsibility to ensure that all opera-  
tors of this SpeedMill have read and under-  
stood the content of both manuals before using  
the product.  
These signal words mean:  
WARNING: Indicates a hazardous situation which, if not  
avoided COULD result in death or serious injury.  
CAUTION: Indicates a hazardous situation, which, if not  
avoided, COULD result in minor or moderate injury. It may  
also be used to alert against unsafe practices.  
Each message tells you what the hazard is, what can hap-  
pen, and what you can do to avoid or reduce injury.  
WARNING!  
NEVER use a SpeedMill as a standard power cutter. A  
SpeedMill is ONLY for USES listed in this document.  
NOTICE: Indicates a hazardous situation which, if not  
avoided, COULD result in property damage. Your machine  
or other property can be damaged if you don’t follow this  
instruction.  
Cut only PVC plastic pipe with a machine equipped with  
a SpeedMill Accessory! DO NOT cut other materials.  
Use ONLY High Speed Reinforced Abrasive Blades with  
this machine.  
If the label is worn, damaged, or is illegible, it should be  
replaced.  
DO NOT use carbide tipped, wood cutting, or circular  
saw blades with this machine.  
Contents of Package  
DO NOT use diamond or rescue blades with this ma-  
chine! Cutting plastics with a diamond or rescue blade  
can cause kickback. The heat produced melts the  
material and it sticks to the blade.  
Verify the contents of the package:  
• SpeedMill Power Cutter.  
• SpeedMill Bowl Assembly: 100mm (4”), 150mm (6”), and  
200mm (8”) Bowls with Hub and 2.00” Nut.  
DO NOT cut ductile iron pipe with a SpeedMill.  
• Document Package. Operation Manual for Power Cut-  
ter, Spare Parts List for Power Cutter, Operation Manual /  
Spare Parts List for Speed Mill Accessory (This Document).  
DO NOT touch Bowl when machine is running. Speed-  
Mill Bowl Rotates with Blade.  
Before performing any maintenance, ALWAYS locate  
the machine on a level surface with the engine / motor  
OFF and the start switch in the OFF position, and the  
power source disconnected.  
If these items are not included in the package, contact our  
customer service department at the telephone number  
shown in this document.  
EVACUATE PIPE CONTENTS before cutting; else EX-  
PLOSION may occur. Static electricity from the cutting  
operation may cause sewer or other gas within the pipe  
to explode.  
The working area must be completely  
clear, well lit and all safety hazards  
removed.  
Any persons not involved in the work,  
should leave the area.  
4 SpeedMill  
 
SAFETY INSTRUCTIONS  
WARNING!  
Read, understand, and follow all warnings and instructions in this and the K750 manuals. Failure to do so may result  
in serious personal injury as well as damage to the equipment. It is not possible to cover all possible risk situations that  
can arise in conjunction with pipe cutting and beveling within these instructions. Use common sense and caution at all  
times.  
Remember: “If you don’t know – don’t do.”  
The SpeedMill may not be modified from its original design without the manufacturer’s approval in writing. Unapproved  
modifications can result in serious injury.  
All operators must be trained in the proper use of this machine. It is the owner’s responsibility to explain the content of  
this manual to all operators and ensure that they receive the necessary training to safely operate this machine.  
PERSONAL SAFETY  
Stay alert; watch what you are doing, and use common sense when operating this SpeedMill or any other  
power tool. Do not use when tired or under the influence of drugs, alcohol, or medication, or any substance that could  
affect your judgment. A moment of inattention during operation may result in serious personal injury.  
Keep proper footing and balance at all times. Do not overreach or operate from a ladder. Do not operate above  
chest height. If necessary use proper scaffolding to reach a safe operating height.  
Use personal safety equipment. Always wear eye protection, hard hat, hearing protection, non-slip safety shoes and  
gloves. Respirator mask must be used when dry-cutting. (Reference OSHA 29CFR 1910.95, 1910.133-138)  
Dress properly. Never wear loose clothing or jewelry. Keep long hair tied back. Keep your hair, clothing, and gloves  
away from the rotating blade.  
The operator must  
wear protective  
clothing  
appropriate to the  
work he is doing.  
Do not use the SpeedMill if the ON/OFF switch does not turn it on or off. Have the switch replaced before the  
SpeedMill is used again.  
WORK AREA SAFETY  
Keep the work area organized. Maintain a firm grip of the SpeedMill and have a proper footing and balance at all  
times.  
Do not operate your SpeedMill in an explosive atmosphere. Sparks may ignite flammable liquids,  
gases, or dust. This is a concern when old pipes are being repaired.  
Keep all bystanders at a safe distance. Bystanders can be a distraction that can cause you to lose control.  
CHOICE OF BLADE  
Use only 12” high speed abrasive concrete cutting blades for cutting specified PVC pipe with the SpeedMill.  
Use only blades designated High Speed blades with a minimum speed rating of 6300 rpm. Many blades are not made  
for hand held high speed saw and they all have a lower speed rating (marked on their label) Such blades might brake  
at higher speed with possible severe injury as a result.  
Diamond blades shall not be used while cutting any plastic pipe due to the increased risk of “kick-back”. (Regard-  
ing kick-back see K750 operation manual).  
Use of carbide tipped blades or any blade with cutting teeth, is a violation of OSHA regulations and shall never be used.  
SpeedMill 5  
 
WHAT IS WHAT  
WHAT IS WHAT (PARTS IDENTIFICATION)  
F. 150mm (6”) SpeedMill Bowl: Designed specifically for  
the SpeedMill. Use for beveling 6” (150mm) plastic pipe.  
Read this Operation Manual for more information. See  
SpeedMill Spare Parts List in this document for part num-  
ber.  
A. SpeedMill BLADE GUARD: Designed specifically for  
the SpeedMill. One side is open to allow mounting of the  
SpeedMill Bowls. Read this Operation Manual for more  
information. See SpeedMill Spare Parts List in this docu-  
ment for part number.  
G. 100mm (4”) SpeedMill Bowl: Designed specifically for  
the SpeedMill. Use for beveling 4” (100mm) plastic pipe.  
Read this Operation Manual for more information. See  
SpeedMill Spare Parts List in this document for part num-  
ber.  
B. Inner Flange: Used to support Abrasive Blade. See  
K750 power cutter Operation Manual for additional instruc-  
tions on this item.  
C. Blade Arbor Spacer: Used to support Abrasive Blade.  
See K750 power cutter Operation Manual for additional  
instructions on this item.  
H. SpeedMIll Hub Nut: Designed specifically for the  
SpeedMill. Holds SpeedMill Bowls (E, F, G) in position.  
Read this Operation Manual for more information. See  
SpeedMill Spare Parts List in this document for part num-  
ber.  
D. SpeedMill Hub: Designed specifically for the Speed-  
Mill. Acts as an outer flange for the Abrasive Blade, and  
a mounting arbor for the SpeedMill Bowls (E, F, G). Read  
this Operation Manual for more information. See SpeedMill  
Spare Parts List in this document for part number.  
J. Arbor Bolt Washer: Used to hold SpeedMill Hub (D) in  
position. See K750 power cutter Operation Manual for ad-  
ditional instructions on this item.  
E. 200mm (8”) SpeedMill Bowl: Designed specifically  
for the SpeedMill. Always install 8” (200mm) Speed-  
Mill Bowl before using machine! Use for beveling 8”  
(200mm) plastic pipe. Read this Operation Manual for  
more information. See SpeedMill Spare Parts List in this  
document for part number.  
K. Arbor Bolt: Used to hold SpeedMill Hub (D) in position.  
See K750 power cutter Operation Manual for additional  
instructions on this item.  
Note: See K750 Power Cutter Operation Manual, and  
K750 Spare Parts List for information on any other  
parts of this machine. High Speed Abrasive Blade Not  
Included.  
6 SpeedMill  
 
USES, TOOLS, AND ASSEMBLY  
Uses: Cutting and beveling of 100mm (4”), 150mm (6”),  
and 200mm (8”) PVC pipe of the following types; ASTM  
D2241 IPS Gasketed Pipe, and ASTM D3034 Gravity  
Sewer Pipe (Type SDR 35, and SDR 26). Note that this  
machine, as supplied, is not designed for cutting AWWA  
C900 Municipal Water Pipe, or any non-plastic material.  
CAUTION!  
Always install the 8” SpeedMill Bowl (P/N 542 19 61-  
89) before using the machine! The 8” SpeedMill must  
always be installed even if the machine will only be  
used to cut and bevel smaller diameter pipes. Besides  
serving as a beveller for 8” pipes the 8” flange is also  
designed to cover the area between the guard and the  
flange and to prevent unintentional contact with the  
blade.  
WARNING!  
ONLY CUT or BEVEL PVC plastic pipe with a machine  
equipped with a Speed Mill Accessory!  
Install and Re-tighten the 2”  
(50.8mm) hub nut. Torque to  
130-215 in-lbs. (15-25 Nm).  
NOTE: Do not tighten exces-  
sively – nut will tighten during  
cutting process – making dis-  
assembly difficult.  
DO NOT cut other materials with this machine!  
DO NOT cut or bevel ductile iron pipe with a machine  
equipped with a Speed Mill Accessory!  
DO NOT use machine as a standard power cutter with-  
out proper power cutter blade guard.  
Tools: 12” (305mm) Diameter Abrasive Blade, with a 1”  
(25.4mm) arbor (Not Included).  
Loosen and remove the blade  
shaft screw & washer from the  
power cutter. Use the combi-  
nation spanner supplied, and  
a Screwdriver to lock the blade  
shaft in position, if required.  
WARNING!  
Use ONLY High Speed Reinforced Abrasive Blades with  
a minimum speed rating of 6300 rpm.  
DO NOT use carbide tipped, wood cutting, or circular  
saw blades with this machine!  
First Time Assembly:  
Use a Screwdriver to lock the  
blade shaft in position. Push  
the screwdriver into the slot  
(see picture) and rotate the ar-  
bor until the screwdriver stops  
the rotation.  
Tools Required:  
• Screwdriver (for Arbor Lock)(Not Included).  
• 2” (50.8mm) Socket, and Socket Wrench (Not Included).  
• Combination Spanner (supplied with machine).  
Torque Wrench.  
Unwrap SpeedMill bowl / Hub  
Assembly from the packaging.  
Initially all three sizes of Speed-  
Mill Bowls (4”, 6”, 8”) are as-  
sembled to the Hub Assembly.  
Verify that 1” (25.4mm) adapter  
(P/N 506 37 96-25) is pushed  
onto blade shaft so it contacts  
the inner flange. The mount-  
ing surfaces of the flange and  
bushing arbor must be undam-  
aged, clean, and free of debris.  
Verify that the flange (P/N 506  
02 87-01) has a diameter of  
4.13” (105mm).  
Change the mounted bowl  
sizes if desired. Turn the 2”  
(50.8mm) hub nut Counter-  
Clockwise to remove.  
Lift off the smaller bowls, and  
configure the bowl / hub as-  
sembly as desired. Example:  
6” and 8” bowl combination is  
popular. ALWAYS mount the 8”  
bowl, it may shield operator in  
case of blade breakage.  
Mount a 12” (305mm) diam-  
eter, 1” (25.4mm) arbor High  
Speed Reinforced Abrasive  
Blade (not included) on the  
blade shaft.  
SpeedMill 7  
 
ASSEMBLY AND OPERATION  
OPERATION:  
Mount the SpeedMill Bowl  
Assembly. Align the slot in the  
SpeedMill Hub with the face of  
the shaft. Make sure the flange  
face of the SpeedMill Hub con-  
tacts the face of the blade.  
WARNING!  
Before starting up machine make sure you  
completely read these instructions and the  
power cutter operation manual. Be familiar with  
operation of the machine before operation!  
Install the blade shaft bolt into  
the Hub Assembly.  
WARNING!  
EVACUATE PIPE CONTENTS before cutting; else  
EXPLOSION may occur! Static electricity from cut-  
ting operation may cause gas or other pipe contents  
to explode (for installed piping).  
Position plastic pipe so pipe end is  
off the ground. Secure pipe in place  
if required. Example: Set plastic  
pipe between two of the boards of a  
wooden pallet.  
Using Combination Spanner,  
Supplied with machine, tighten  
blade shaft bolt by turning it  
clockwise. Torque to 130-215  
in-lbs. (15-25 Nm).  
Before starting machine,  
verify that when SpeedMill  
Bowl and blade is positioned  
to cut / bevel the plastic pipe,  
that it clears all objects in the  
cutting area.  
Before using the assem-  
bled machine, completely  
read the power cutter op-  
eration manual supplied  
with this machine.  
Start machine per instructions in K750  
Power Cutter Operation Manual.  
Position machine at top of plas-  
tic pipe to begin cutting through  
the pipe wall.  
Move saw forward while  
maintaining a “square cut”  
on the end of the pipe. This  
means the cut should al-  
ways be perpendicular to the  
length of the pipe.  
8 SpeedMill  
 
OPERATION  
Rotate Pipe and repeat this cut-  
ting process until pipe circum-  
ference is cut.  
Align proper SpeedMill Bowl  
with end of pipe, and move  
toward the pipe so that the pipe  
is slightly beveled.  
Note: The bevel required is  
usually quite small, so do not  
remove excessive pipe mate-  
rial.  
Bevel Pipe: Position SpeedMill  
Bowl near end of pipe to be  
beveled. Accelerate power cut-  
ter to full throttle.  
WARNING!  
HOLD MACHINE ONLY at front and rear handles!  
NEVER bevel or cut material while holding the pipe with  
your hands!  
DO NOT use blade guard pivot handle as a hand hold  
while operating machine!  
HOLD MACHINE ONLY at front and rear handles, as shown in  
the above photo.  
SpeedMill 9  
 
MAINTENANCE  
MAINTENANCE:  
CONVERTING THE SPEEDMILL TO A REGU-  
LAR POWER CUTTER.  
The guard on the SpeedMill is designed to work together  
with the special outer flange and SpeedMill Bowls used  
on the SpeedMill. The 8” (200mm) SpeedMill Bowl must  
always be installed when the SpeedMill is used and the  
SpeedMill shall not be used for any other purpose than  
those mentioned in “USES” section of this document.  
Should you desire to convert the SpeedMill to a regular  
power cutter you must replace the cutting head with an  
original 12” or 14” cutting head attachment. We recom-  
mend you have an authorized dealer do the conversion.  
CAUTION!  
Allow SpeedMill Bowls to cool before performing any main-  
tenance.  
NOTICE!  
DO NOT hold SpeedMill Bowls using a screwdriver or  
other device through the slots in the bowl. Damage to  
the bowls or abrasive coating could occur.  
DO NOT use a screw driver or similar in the slots of the  
SpeedMill Bowls to lock the blade. If you do it is likely  
the flanges will be damages and become unusable.  
WARNING!  
NEVER use the SpeedMill as a regular power cutter!  
Use the proper procedure to lock the blade when at-  
taching or removing the blade or flanges – See below,  
or see K750 Operation Manual.  
When removing the Hub nut,  
use a Screwdriver to lock the  
blade shaft in position. Push  
the screwdriver into the slot  
(see picture) and rotate the ar-  
bor until the screwdriver stops  
the rotation.  
Inspect the SpeedMill Bowls  
Always inspect the SpeedMill Bowls before you start cut-  
ting. Small nicks or scratches can be sanded smooth. If  
the SpeedMill Bowl has been bent or distorted in any way it  
must be replaced.  
SPARE PARTS:  
The parts required for the SpeedMill Accessory are shown  
on the next page. For any other parts used on this ma-  
chine see the power cutter spare parts list (included).  
Cleaning  
Plastic debris from a small-  
er flange often lodges itself  
in the bigger flange during  
cutting. This can easily be  
removed once the flanges  
have cooled down.  
Use compressed air to  
blow shavings from Speed-  
Mill Bowl. DO NOT scrap  
shavings from bowl using  
a screwdriver or any other  
hard metallic tool. Damage  
to the bowls or abrasive  
coating could occur.  
ꢀ0 SpeedMill  
 
SPARE PARTS  
SpeedMill ꢀꢀ  
 
115 07 95-27  
2007-10  
 

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