Asada 380SP User manual

Large Diameter Existing Pipe Cutting Machine
PIPE SAW 380SP
【Read through this manual carefully before using the machine.】
INSTRUCTION MANUAL
Double
insulated

PIPE SAW 380SP
1
Thank you for choosing the PIPE SAW 380SP.
● This manual should be handed over to the end user.
● The content of this manual must be thoroughly read and understood securely before operation.
● Please save this manual for immediate reference when required.
● Use the machine for the intended application only.
This machine is designed to cut existing pipes of steel, stainless steel, PVC, etc.
● Check the following as soon the machine is delivered:
・ Is the specication same as the ordered product?
・ Is there any damage or deformation caused during delivery transit ?
・Is there any shortage of accessories ?
If any dissatisfaction is found, please contact with the store you have purchased or our sales
department.
（The contents of instruction manual will be changed without notice for quality improvement.）
In this manual and on the machine, the safety instruction levels are classied into as following three levels.
SAFETY PRECAUTIONS
CLASSIFICATION OF CAUTIONS
CONTENTS
SAFETY INSTRUCTIONS ...................... 2
OPERATING INSTRUCTIONS .............. 5
COMPONENTS OF THE MACHINE ..... 7
Name of Parts ........................................ 7
Specications ......................................... 8
Standard Accessories ............................. 8
Optional Accessories .............................. 9
PREPARATIONS .................................... 10
Carrying the Machine .............................. 10
Conrmation of the Earth Leakage Circuit Breaker
.......... 10
Extension Cord ....................................... 10
Maintaining and Checking the Working Environment
....... 10
OPERATION ........................................... 11
Fixing the vise ........................................ 11
How to set the main body ....................... 13
How to set the saw blade ....................... 13
How to set the guide plate ...................... 14
Cutting .................................................. 15
Cutting the buried pipe ........................... 17
Cutting the vertical pipe .......................... 18
CLEANING THE PARTS ........................ 18
MAINTENANCE & INSPECTION .......... 19
TROUBLESHOOTING ........................... 21
DANGER
WARNING
CAUTION
Denotes that incorrect handling would cause immediate death or injury to the
user and others.
Denotes that incorrect handling can cause death or injury to the user and
others.
Denotes that incorrect handling can cause user injury or physical damage.

PIPE SAW 380SP
2
● To prevent accidents such as re, electrical shock and injury, always follow the "SAFETY INSTRUCTIONS" described below.
● Before using the machine, read all "SAFETY INSTRUCTIONS" to use it correctly according to the instructions.
● After reading the instructions, save this manual so that you can read it when necessary.
SAFETY INSTRUCTIONS
◆ Do not use the machine in the presence of ammable liquids or gases such as
gasoline and thinner.
Otherwise, ignition or explosion may take place．
◆ Operate the machine on the correct voltage.
Always use the machine at the rated voltage indicated in the machine plate or instruction manual.
Otherwise, the machine will overheat, emit smoke or catch re.
◆ Make sure that the switch is OFF before plugging the machine in.
Before plugging the machine in, always make sure that the switch is OFF to avoid accident or
injury. If the switch is ON, the machine will start suddenly, leading to unexpected accident.
◆ Guard against electrical shock.
Do not touch the plug with wet hands.
Do not expose the machine to rain and water.
Always ground the machine to avoid electrical shock. (Except the double-insulated machine)
◆ Avoid dangerous environment.
Do not expose the machine to rain or water and do not use it in damp or wet locations.
Humidity will deteriorate motor insulation or lead to electrical shock.
◆ Use safety goggles.
Wear safety goggles while operating the machine. Also use a face or dust mask if operation
creates dust. Sawdust and dirt may enter your eyes and nose.
◆ Secure work piece.
Use clamps or a vise as described in the manual to hold a workpiece securely.
An insecure workpiece will lead to accident or injury.
◆ Use only the specied accessories and attachments.
Use only the accessories and attachments given in this manual and our catalogs.
A failure to do so will lead to accident or injury.
◆ Never touch the saw blade and moving parts until you have conrmed a
complete stop.
The saw blade and other parts coast for a while after the switch is turned o󱐯. Never touch them
while they are moving.
When it is required to touch the saw blade and moving parts for replacement, etc., switch o󱐯 the
machine and unplug it before starting the operation.
If the machine remains plugged in, it will start suddenly, leading to accident or injury.
DANGER
WARNING

PIPE SAW 380SP
3
◆ Switch o󱐯 and unplug the machine in the following cases.
・ When not in use or when servicing, cleaning, checking or replacing parts.
・ When replacing accessories such as saw blade.
・ When hazard is predictable (including a power failure).
If the machine remains plugged in, it will start suddenly, leading to injury.
◆ If you feel something unusual, stop the machine immediately.
Immediately stop the machine if something is wrong with the machine or you have noticed
unusual smell, vibration, sound etc. during operation. Refer to page 21 "TROUBLESHOOTING" in
this manual and follow the corresponding instructions.
If you use the machine without taking any action, it will overheat, emit smoke or take re, leading
to accident or injury.
◆ Keep your work area clean.
Keep your work bench and area tidy and well.
Cluttered area and bench invite injury.
◆ Keep visitors away.
Do not let visitors touch the machine and power cord or operate the machine.
All visitors, especially children, should be kept away from the work area to avoid injury.
◆ Do not force the machine.
Use the machine for the intended application only.
It will do a better job and be safer at the rate for which it was designed.
Forcing the machine will not only invite product damage but also lead to accidents.
Avoid forcible usage which will cause the motor to lock. A smoke or re may occur.
◆ Wear proper apparel.
Do not wear neckties, open-sleeved clothing, knitted gloves, loose clothing or jewelry (such as
necklaces). Otherwise you may get caught in moving parts.
Rubber gloves and non-skid footwear are recommended when working in outdoors.
Slippery gloves and footwear will lead to injury.
Wear caps or protective hair covering to contain long hair.
Wear crash helmets, safety shoes, etc. according to your working environment.
◆ Do not overreach.
Keep proper footing and balance at all times. You may tumble and get hurt.
◆ Remove wrenches and other hand tools.
Before turning on the machine, make sure that hand tools used for inspection or adjustment are
removed from the machine.
Accident or injury may occur if you start the machine with hand tools on it.
WARNING

PIPE SAW 380SP
4
◆ Stay alert.
Watch what you are doing and use common sense while working.
Carelessness will lead to accident or injury.
Do not operate the machine when you cannot concentrate on your work, e.g. when you are tired
or while under the inuence of alcohol, medication or drugs. Otherwise, accident or injury may
occur.
◆ Do not abuse the power cord.
Never carry the machine by the cord or yank it from the socket.
Keep the cord away from heat, oil, grease, knives and sharp edges.
Wire the cord with care. Do not run the cord where it may be stamped, caught or damaged by
anything. Otherwise, you may get electrical shock or the cord may be shorted to cause a re.
◆ Maintain the machine with care.
Keep the saw blade sharp and clean for better and safer performance.
If the saw blade used is worn, damaged or improper for an intended purpose, the motor and
machine will be overloaded. This may cause the machine to generate heat, emit smoke or cause
re, or you may get injured.
Follow instructions for replacing accessories.
Inspect the power cord and plug before use. If damaged, have them repaired by our sales
representative.
Otherwise you may get electrical shock or the machine may be shorted to cause re.
Keep handles dry, clean and free from oil and grease, which may lead to injury.
◆ Check damaged parts.
Before further use of the machine, a guard or other part that is damaged should be carefully
checked to determine that it will operate properly and perform its intended function.
Check the machine for alignment of moving parts, binding of moving parts, breakage of parts,
mounting and any other conditions that may a󱐯ect its operation.
Do not use the machine when its plug and/or cord is damaged.
You may get electrical shock or the machine may be shorted to cause re.
Do not use the machine if its switch does not turn it on and o󱐯.
A guard or other part that is damaged should be properly repaired or replaced by an authorized
service center unless otherwise indicated in this instruction manual.
◆ Store the idle machine tidily.
When not in use, machines should be stored in dry and high or locked-up place –out of reach of
children.
◆ Have your machine repaired by a qualied person.
Our products are in accordance with the relevant safety rules. Do not modify them.
Repairs should only be carried out by our sales representative.
Otherwise the machine may not show its performance or you may get injured.
◆ If any label applied to the machine, etc. has come o󱐯, always ask for a new
label and apply it in position.
WARNING

PIPE SAW 380SP
5
● In addition to the general instruction given above, follow the precautions given below before
operating the PIPE SAW 380SP.
OPERATING INSTRUCTIONS
◆ Do not cut a pipe which contains live gas or residual gas.
Sparks or cutting heat from the motor can cause ignition or explosion.
◆ Before starting operation, fully check for underground objects such as
conduit pipes, water pipes and gas pipes near the place of operation.
If there are such objects, the saw blade may touch any of them and electrical shocks, electric
leaks or gas leaks which will cause accidents may occur.
◆ In case to cut a pipe with water remaining inside, avoid being splashed water
onto the machine.
If the machine is splashed, it will lead to electrical shock.
Water will come into the gearbox, and the gears will get damaged.
◆ Hold the machine body securely during operation.
If you do not hold it securely, you may get injured.
◆ If you have dropped or hit the machine accidentally, carefully check its saw
blade, body, etc. for damage, crack or deformation.
Damage, crack or deformation to the saw blade or machine body will lead to accident or injury.
◆ Before changing the saw blade, always disconnect the power cord.
Otherwise, the machine will start running suddenly, causing injury.
◆ Install the saw blade to the machine correctly.
Otherwise, if the saw blade comes o󱐯, you may get injured.
◆ Pay attention not to cut the power cord by the saw blade.
You may get electrical shock.
◆ During operation, keep your hands, face, etc. Away from the saw blade and
chip ejector.
Otherwise, you may get caught by the saw blade, causing an accident or injury.
◆ Before starting operation at a high place, fully make sure that there is no
one under you.
An accident can occur if you drop a work piece or the machine.
DANGER
WARNING

PIPE SAW 380SP
6
◆ When carrying the machine, disconnect the power cord.
Otherwise, the machine will run suddenly, causing an accident or injury.
◆ Never touch the saw blade, chips and work piece immediately after cutting
operation.
Immediately after cutting operation, they are hot and you can get burnt or injured.
◆ When you cut a pipe near an obstacle such as a wall or an adjacent pipe,
leave an enough clearance to prevent the tip of the saw blade from making
contact with the obstacle.
The machine or the saw blade may be broken.
◆ Do not cut the work piece which requires more than capacity.
If cut the work piece which requires more than capacity, the saw blade may be broken.
◆ Use the Asada genuine saw blade.
If use the other saw blade, there may be a possibility to cause accidents unexpectedly.
CAUTION

PIPE SAW 380SP
7
COMPONENTS OF THE MACHINE
※ Following three warning labels are stuck
to this machine and the vise.
These labels show explanation for
securing safety.
Keep them clean，and if they are peeled
off or became dirty，request new labels
to us．Be sure to stick new label to the
same place．
WARNING LABEL
Motor Grip
Main Body
Vise
Guide plate
Chain
① Warning label ③ Machine plate
② Vise top surface
warning label
Saw Guide
Trigger Switch
Chain receiving roller
Power Cord (plug)
Speed controller
Carbon Cap
Motor
Side Grip
② Vise top
surface
warning label
Saw Blade
Operating
Handle
Main Body Grip
③ Machine
Plate
① Warning label
Name of Parts

PIPE SAW 380SP
8
Specications
Standard Accessories
＊ Voltage : made to order.
＊ Specications will be changed without notice for quality improvement.
Description PIPE SAW 380SP HSS PIPE SAW 380SP GRIT
Code No. PS386SP PS387SP
Cutting Capacity Steel pipe 1/2"〜14"（thickness：9㎜ or less）
Stainless Steel pipe 1/2"〜12"（thickness：9㎜ or less）
Motor Universal Motor：Single-Phase 50/60Hz
Wattage 1500W
Stroke 57㎜
No-load Stroke/Min 120〜360min-1（SPM）
Weight and Size
Main Body 11kg・612×302×252㎜
Vise 8kg・173×210×326㎜
Plastic Box 3.5kg・785×370×325㎜
Total weight（Packed state） 28.5kg・800×380×360㎜
Saw blades
Saw blade HSS
HSS (380×8T）1pce
（490×8T）1pce
Grit saw
Grit saw (380×8T）1pce
（480×8T）1pce
（300A）1pce
（200A）1pce
Guide plate complete for each size
Magnet-attached wedge L
（58612）
Storage box
（PS510）
Ratchet wrench 11-13
（PS528）

PIPE SAW 380SP
9
Optional Accessories
Name Size Cutting
Capacity Code No. pcs/set Remarks
Saw blade HSS
320×8T 〜 6" 70310 5pce
Casting pipe,
Steel pipe
380×8T 〜 8" 70311 5pce
440×8T 〜 10" 70278 5pce
490×8T 〜 12" 70279 5pce
530×8T 〜 14" 70295 5pce
640×8T 〜12"×30° 70644 5pce Resin pipe
Saw blade HSS for
stainless
440×8T 〜 10" 70305 5pce Stainless Steel Pipe
490×8T 〜 12" 70304 5pce
Grit saw
320 〜 6" 70288 5pce
Mortared cast
iron pipe
380 〜 8" 70289 5pce
430 〜 10" 70260 5pce
480 〜 12" 70261 5pce
530 〜 14" 70262 5pce
Guide plate complete
（200A） − PS301 1set
−
（250A） − PS261 1set
（300A） − PS262 1set
（350A） − PS263 1set
（640） − PS347 1set
Saw blades
(Refer to the table below.)
Cutting Oil
(Threading oil white)
(ST014)
Guide plate complete for each size
(Refer to the table below.)

PIPE SAW 380SP
10
Storage box
PREPARATIONS
Carrying the Machine
Conrmation of the Earth Leakage Circuit Breaker
Extension Cord
Maintaining and Checking the Working Environment
◆ The machine is heave(Vise 8kg, Main
Body 11kg), be sure to carry it by two
people.
When lifting it, bend your knees to
avoid a load on your waist.
◆ Be sure to remove the saw blade when
carrying the machine.
● Carry the machine putting in the storage box.
● Since this product has a double-insulated structure, the law does not require it to install an earth
leakage circuit breaker. To prevent electrical shock, however, it is recommended to connect the
machine to the power supply which is provided with an earth leakage circuit breaker.
① When an extension cord is required for use with a distant power supply, it should be thick enough
to carry certain current and as short as possible to ensure that the product is used with the
maximum e󱐰ciency without a failure.
② Following chart shows maximum length of the
extension cord depending on the thickness
(sectional area of the core wire) which
applicable to the machine.
● Make sure that the working area is kept proper as described in the "SAFETY INSTRUCTIONS" and
"OPERATING INSTRUCTIONS".
Noise Prevention Control
◎ Noise is controlled as set forth in relevant regulations. The machine must be operated at less
than the regulated noise to avoid discomfort to the neighborhood.
Sound barriers may be required under some circumstances.
Sectional area of the core wire Maximum length
1.25㎟ 10m
2.0㎟ 15m
3.5㎟ 30m
◆ The extension cord used should be without damage.
A failure to do so may result in electrical shock or short, causing a spark.
CAUTION
WARNING

PIPE SAW 380SP
11
OPERATION
● Before starting operation, always read the instructions in "SAFETY INSTRUCTIONS" and
"OPERATING INSTRUCTIONS" (pages 2 to 6).
◆ The extension cord used should be without damage.
A failure to do so may result in electrical shock or short, causing a spark.
◆ Always use the power supply indicated in the machine plate.
If the operating voltage is higher than indicated, the motor will run at abnormally high speed,
which may damage the machine.
If use the machine at over voltage indicated in the machine plate or instruction manual, the
machine may become hot, emit smoke or catch re.
◆ Make sure that the switch is o󱐯 before plugging the machine in.
Pull the Trigger Switch to turn on and release to turn o󱐯. Always make sure that the
Trigger Switch returns when you release the trigger pulled.
If you insert the plug into the receptacle, not knowing the switch is on, the machine will start
abruptly, leading to an unexpected accident.
◆ In case to use engine generator, use the engine generator which output
capacity is more than 2.8KVA with inverter control type.
If use engine generator without inverter control, the machine will be broken.
Fixing the vise
◆ Vise and main body stained with cutting oil is slippery.
Wipe o󱐯 the oil completely.
Do not drop the machine on your feet when lifting it．
◆ When installing the machine, check the supporting force of the pipe(existing pipes) .
Do not install the machine to the decrepit pipe．
◆ As this machine is heavy, carefully lift when
installing it in the high position．
◆ Do not install the vise on the "cutting o󱐯 side."
The cut pipe together with the vise will drop.
This is very dangerous.
◆ Fix the vise rmly.
If the vise xing force is weak, the main body may drop or the
saw blade may be broken while cutting.
◆ Watch the position of your nger while lowering
the vise to avoid pinching of ngers.
WARNING
WARNING

PIPE SAW 380SP
12
① Mark the cutting position on the pipe．
② Completely remove foreign matters and stains
from the pipe and vise jaw.
If the vise is xed with the foreign matters
remained, it may loosen during cutting.
Or, the pipe cannot be cut straight.
③ Mount the vise on the pipe with the vise end
face comes to the 50㎜ away from cutting
position.
④ Using a ratchet wrench, loosen the clamp bolt
to the full end.
As the clamping allowance is not generated if
the clamp bolt is not loosened, the vise cannot
be xed.（clamping allowance：30㎜）
⑤ Set a chain on the hook with checking that
the chain passes through the inside of chain-
receiving roller.
Also check that the chain is not winding
slantingly．
⑥ Using the ratchet wrench, rotate the clamp bolt
to clamp the chain.(245 〜 294N)
⑦ Keep the remaining chain o󱐯 the track of saw
blade.
Clamp bolt
Clamp
6
Clamp bolt
Clamping allowance
30 ㎜
Loosen
4
50 ㎜
Cutting position
Hook
Set
5
Roller
Check
5

PIPE SAW 380SP
13
How to set the main body
How to set the Saw Blade
① Disconnect the power plug．
②
Check that there is no foreign matter in the rotary
shaft of the main body and the rotary bush of the
vise. Remove the foreign matter, if any.
③ Firmly holding the main body grip and motor grip
with both hands, mount the main body to the vise．
Insert the rotary shaft of the main body into the
rotary bush of the vise with adjusting mutual
square spline to arbitrary angle and insert the main
body up to the full end.
① Select the saw blade conforming to the size
and material of the pipe to be cut.
② Insert the saw blade between the "blade
holder" and "blade guide," and hook it on the
"saw blade xing bolt" and "mounting pin."（Pay
attention to direction of saw blade.）
③ Clamp the "saw blade xing bolt "(with at
washer）with the attached ratchet wrench.
◆ Use the saw blade of the size conforming to the pipe diameter．
If the thick pipe exceeding the cutting capability of the blade, the tip of the saw blade touches
the inside of pipe resulting in breaking of the saw blade.
◆ Do not use the damaged saw blade．
As resistance of cutting face increases and load is applied, breakdown is caused.
◆ If clamping of the saw blade is weak, the saw blade may come o󱐯 during
cutting, and the main body and saw blade may be damaged．
Insert
Rotary bush Rotary shaft
Square spline
Blade holder
Mounting pin
Blade guide
Blade
Pay attention to direction
2
Saw blade fixing bolt
Clamp
3
CAUTION

PIPE SAW 380SP
14
How to set the guide plate
① Select the guide plate conforming to the size of
saw blade．
② Set U − notch of "guide plate" to the "guide
plate xing bolt"（2spots）with the back of the
saw blade passes through the gap of "guide."
③ Fix the "guide plate xing nut" (2spots）with
the attached ratchet wrench．
U－notch
Guide plate
Set
2
Guide plate
fixing nut
Guide plate
fixing nut
Clamp
3

PIPE SAW 380SP
15
CUTTING
① Check that the switch is OFF, and insert the
power plug to the receptacle.
② Check that the saw blade is about 10 ㎜ away
from the pipe．
③ Set the cutting speed．
④ Switch ON and press the lock button to lock
the switch.
To cancel the switch lock, press the switch
again．
◆ When cutting the mortar lining
casting pipe, be sure to wear the
face mask to prevent dust.
◆ Do not operate the machine for
long time at low saw blade speed.
The motor will be forced, causing burnout.
◆ Avoid forcible usage which will lead
to a saw blade stop during cutting.
Adjust the saw blade speed so that the
machine cuts the work piece smoothly.
Pipe
thickness
Speed
controller
scale
Saw blade
Pipe
Steel pipe（SGP・STPG） 6㎜ or less 4
HSS
6〜9㎜ 6
Cast Iron（Ductile）pipe（for gas, inside resin coating）
6㎜ 4
7.5㎜ 6
Cast Iron（Ductile）pipe mortar lining（for water system） 6 Grit saw
Stainless steel pipe 6㎜ or less 2 HSS
For stainless
6〜8㎜ 3
Resin pipe 10㎜ or less 2 HSS
10〜20㎜ 3
Trigger Switch
OFF
1
Dial
Dial
setting
position
Indication
Cutting speed
Set
3
about 10㎜
Check
2
from the pipe
Switch
Switch
Lock button
Lock button
Press the lock
button with the
switch held down
4
CAUTION

PIPE SAW 380SP
16
⑤ Rotate the operating handle counterclockwise and cut the
pipe slowly.
Rotate the handle with the force that does not decrease
the stroke speed．
When the motor gets a heavy load during the operation,
an over-load protector works and the motor automatically
stops. In that case, unlock the switch and wait until the
motor cools down.
⑥ Use the cutting oil depending on the material of pipe.
⑦ The extent of oblique cut will be reduced by using a blade and Guide Plate for 200A in case of
cutting pipes less than 6".
⑧ When cutting is complete, switch OFF, rotate the handle clockwise and unplug.
⑨ Wait a short time after cutting, remove the components in the order of
[Guide plate] → [Saw blade] → [Main body] → [Vise]
Material of pipe Cutting oil（use or not）
Steel pipe Use
Stainless steel pipe
Cast Iron（Ductile）pipe
Not usemortar lining casting pipe
Resin pipe
◆ Be sure to use the threading oil white（No. ST014）as the cutting oil.
Do not use other cutting oil．
◆ Cutting oil contacting the skin may cause inammation.
Wear protective gloves when handling the cutting oil. In case it contacts your hands, completely
wash it o󱐯 with water and soap.
◆ Wipe o󱐯 the scattered cutting oil after cutting with oil.
The oor may be slippery by cutting oil, causing a fall down.
◆ Do not inhale oil mist or vapor of the cutting oil．It cause nausea．
If inhaled accidentally, move to a place where fresh air prevails. Cover the body to keep warm, lie
quietly and consult a doctor．
◆ Do not handle or use the cutting oil near a re．
Operating handle
Rotate slowly
5
CAUTION

PIPE SAW 380SP
17
Cutting the buried pipe
① When cutting the buried pipe, dig down to
secure working space.
※ Sizes shown here are minimum value. Try to secure the working space as wide as possible.
Pipe size Size A Size B Minimum working
space W Size C Machine
working angle
150A 210㎜ 215㎜ 425㎜ 200㎜ 57°
200A 255㎜ 265㎜ 520㎜ 230㎜ 64°
250A 300㎜ 320㎜ 620㎜ 260㎜ 68°
300A 350㎜ 370㎜ 720㎜ 280㎜ 76°
350A 390㎜ 420㎜ 810㎜ 300㎜ 83°
② When cutting the buried pipe, the saw blade may be caught in the pipe by inuence of earth
pressure. In this case, use a magnet-attached wedge at the cutting port．
③ In case of which the blade is stuck between the pipes,
・Release Trigger switch immediately.
・Unlock On-lock and stop the motor.
・Drive in Magnet-attached wedge or Chisel and remove the blade.
■ How to use the magnet-attached wedge
① Drive a magnet-attached wedge at the position
where the back of the guide plate is about 30
㎜ from the cutting start position.（For the thin
pipe, remove the guide plate at the position
where the back of saw blade is at about 30 ㎜
from the cutting start position, and drive the
magnet-attached wedge．）
② If the wedge cannot be driven by hand, use a
plastic hammer etc.
Magnet-attached wedge
Plastic
hammer
W
A
α
B
C

PIPE SAW 380SP
18
Cutting the vertical pipe
① Completely remove foreign matters and stains stuck to the
pipe and the vise jaw．
②
One worker xes the vise to the vertical pipe with both hands and
holds rmly.
Pay attention to the vise so that the main body comes to the
upper side of the vise（cutting section comes to the upper side）.
③ Other worker winds the chain of the vise around the
vertical pipe, rotates the clamp bolt with the attached
ratchet wrench, and xes the vise.
Be careful that the chain easily becomes loose when
installed to the vertical pipe.（For winding of the chain and
clamping the clamp bolt, refer to page 11 "Fixing the vise."）
④ When cutting of the pipe is performed halfway, the saw
blade is caught by dead weight of the pipe, Drive the
magnet-attached wedge．
⑤
The saw blade is caught by dead weight of the pipe when
closed to end of cutting．Execute following countermeasures．
Countermeasure 1：Drive two or three magnet-attached wedges．
Countermeasure 2：Lift up the pipe in advance．
⑥ Remove the saw blade, the guide plate, and the main body．
⑦ One worker should hold the vise rmly with both hands．
⑧ Other worker rotates the clamp bolt with the attached
ratchet wrench, loosens the chain slowly, and removes the
vise carefully so that it may not drop.
◆ Vise should be installed by two people.
PIPE SAW 380SP is a heavy item (Vise: 8kg, Unit: 11kg).
Installing by one parson may cause a serious injury by dropping the unit.
◆ Be sure to set the cut-o󱐯 side to the top.
The unit may fall together with the cut-o󱐯 pipe after cutting, causing an injury.
Cleaning the Parts
● Clean chips, mud, sand, and water stuck to the saw using the wire brush.
Wipe o󱐯 cutting oil scattered on the machine or in the area using waste cloth.
◆ Do not blow o󱐯 chips using compressed air.
They may get into eyes and loss of eyesight may result.
◆ As the chips are sharp, do not touch with bare hands. Be sure to wear gloves.
Position of the vise
Countermeasure
Magnet-attached wedge
Lift up
WARNING
CAUTION

PIPE SAW 380SP
19
MAINTENANCE & INSPECTION
● Check, clean and repair / replace the following areas regularly.
◆ Before starting inspection or maintenance, always turn the switch o󱐯 and
disconnect the attachment plug from the receptacle.
The machine will start running suddenly, it will lead to accident or injury.
Maintenance & Inspection Action
Check the plug and
power cord for damage. Replace if any damage is found.
Check the saw blade for
chipping or damage.
Replace if chipping is found. (For the saw blade replacing procedure,
refer to page 13 "How to Set the Saw Blade".)
Check Carbon Brushes.
If the length of Carbon Brushes wear down to
around 6㎜, it must be changed. Change both of
left and right to new ones at the same time.
(Code No.PS413 Carbon Brush set for PS200SP)
How to change
① With a minus driver, take o󱐯 the Carbon
Cap at the Motor Case.
②
Take out the Carbon Brushes and change them to new
ones with care not to make the new ones dirty by oil.
Inspection and replacement
of Guide pin.
Remove and replace the worn Guide pin as
illustrated right.
（No.58510 Guide pin）
Check if screws are loosen
and tight them up if
Retighten any loosed screws.
Oiling the Parts.
Oil the following parts periodically(Use machine oil sold in the shop.）
・Saw guide・Rotary shaft and rotary bush・Operating handle slide way
How to handle the
motor.
The coil of the motor is the heart of the machine.
Handle with extreme care to protect it from scratches and not to be
exposed to cleaning oil and water.
Dirt and dust accumulating in the motor will cause a failure.
After operation of about 50 hours, run the motor under no load and
blow non-humid air through the wind hole of the housing.
This helps remove dirt and dust.
6㎜
Carbon Cap
①
②
Guide pin
WARNING