5.0
Pre-operation checklist
44..3344
CCH
HEECCKK D
DAAM
MAAG
GEED
D PPAARRTTSS..
Verify all machine guards are in good condition and will function properly before using the machine.
Check for alignment of moving parts, binding of moving parts, breakage of parts, mounting, and any
other conditions that may affect machine operation. A guard, power switch or other part that is damaged
should be properly repaired or replaced by an authorized service center unless indicated elsewhere in
this instruction manual. Do not operate machine if lever or engine on/off switch does not function
properly.
44..3355
SSEECCUURREELLYY M
MOOUUN
NTT AACCCCEESSSSOORRIIEESS AAN
ND
D BBLLAAD
DEESS TTOO TTH
HEE M
MAACCH
HIIN
NEE..
Extra care must be taken when using saws on an elevated location to prevent injury to someone on a lower
level in the event the tool or accessory should drop. Do not operate without fall protection for operator
and debris protection for public.
44..3366
NNEEVVEERR TTOOUUCCHH TTHHEE M
MOOVVIINNGG PPAARRTTSS..
Never touch moving parts such as blades, belts and others.
44..3377
SSTTOOPP OOPPEERRAATTIIOON
N IIM
MM
MEED
DIIAATTEELLYY IIFF AAN
NYY AABBN
NOORRM
MAALLIITTYY IISS D
DEETTEECCTTEED
D..
Stop using machine immediately if any abnormalities are observed during operation. Examples of
abnormalities include unusual noise and vibration.
44..3388
W
WH
HEEN
N RREEPPLLAACCIIN
NG
G AA PPAARRTT,, UUSSEE TTH
HEE SSAAM
MEE TTYYPPEE AAN
ND
D QQUUAALLIITTYY..
When replacing a component part with a new one, use only the same type and quality of new part.
Never attempt to repair a machine if you are unfamiliar with proper procedures and techniques
required.
44..3399
D
DOO N
NOOTT M
MOOD
DIIFFYY M
MAACCH
HIIN
NEE..
Do not modify machine from its original design without written permission from the manufacturer. Non-
authorized modifications could lead to serious injury or death and void warranty.
44..4400
N
NEEVVEERR D
DIISSAABBLLEE TTH
HEE LLEEVVEERR..
Do not modify, disable, or attempt to permanently engage the lever. Do not operate a machine if lever
is not functioning. This could lead to serious injury or death.
44..4411
SSAAVVEE TTH
HEESSEE IIN
NSSTTRRUUCCTTIIOON
NSS..
Refer to this operations and maintenance manual as well as any additional instructions included from
other manufacturers and organizations such as Honda® and the Masonry and Concrete Saw
Manufacturers Institute®. Never permit anyone to operate the machine without proper instructions.
RReeaadd aanndd uunnddeerrssttaanndd
ooppeerraattoorr''ss m
maannuuaall bbeeffoorree
uussiinngg tthhiiss m
maacchhiinnee..
FFaaiilluurree ttoo ffoolllloow
w ooppeerraattiinngg
iinnssttrruuccttiioonnss ccoouulldd rreessuulltt iinn
iinnjjuurryy oorr ddaam
maaggee ttoo
eeqquuiippm
meenntt..
FFiigguurree 33 -- W
Waarrnniinngg llaabbeell -- rreeaadd aanndd uunnddeerrssttaanndd m
maannuuaall
5.1
Start by reading the entire Honda Engines Owner's Manual, Rx for Diamond Blade Safety, and Rx for Concrete
Saws by the Masonry and Concrete Saw Manufacturers Institute. Then, read the entire JS operations and
maintenance manual. Get familiar with the machine's parts. See Figure 1 through Figure 32.
PRE-OPERATION CHECKLIST
TO PREVENT SERIOUS INJURY DO NOT OPERATE SAW WITHOUTPROPER TRAINING AND.
UNDERSTANDING OF THE OWNERS MANUAL
WHEN OPERATING THIS MACHINE
ALWAYS WEAR SAFETY APPROVED
HEARING PROTECTION
EYE OR FACE PROTECTION
PROTECTIVE HELMET
PROTECTIVE GLASSES OR FULL FACE PROTECTION
WEAR HAND PROTECTION
WARNING: Improperly maintaining the JS including the Honda engine or failing to correct a problem before
operation could cause a malfunction resulting in a serious injury. Always perform a pre-operation inspection before
each operation and correct any problem. See Honda Engines Owner's Manual.
5.2
Check the condition of the Honda engine. See the section titled "Before operation - is your
engine ready to go?" in the Honda Engines Owner's Manual.
WARNING: Exhaust gas from gasoline engines contains dangerous carbon monoxide. Breathing it can cause
unconsciousness and even kill you. Always operate gasoline engine machines in a well-ventilated area. Do not
operate in areas where exhaust fumes could accumulate without wearing appropriate respiratory protection.
Consult your employer and OSHA regarding use of appropriate respirator for dangerous carbon monoxide
gases. See Figure 7.
EEnnggiinnee eexxhhaauusstt ccoonnttaaiinnss
ppooiissoonnoouuss ccaarrbboonn
m
moonnooxxiiddee ggaass.. Breathing
it could cause death.
Operate machine in well
ventilated area.
FFiigguurree 77 -- W
Waarrnniinngg llaabbeell -- eennggiinnee eexxhhaauusstt ccoonnttaaiinnss ccaarrbboonn m
moonnooxxiiddee ggaass
1111
Figure 1 - Warning label - read and understand manual
5.1
Start by reading the entire Honda Engines Owner’s Manual,
Rx for Diamond Blade Safety, and Rx for Concrete Saws by the
Masonry and Concrete Saw Manufacturers Institute. Then, read the
entire MARK III operations and maintenance manual. Get familiar
with the machine’s parts. See Figure 1 through Figure 32.
WARNING:
Improperly maintaining the Mark III including the Honda
engine or failing to correct a problem before operation could cause a
malfunction resulting in a serious injury. Always perform a pre-opera-
tion inspection before each operation and correct any problem.
5.2
Observe the condition of your work environment. Walk over
area work area and look for hazards. Make sure the work environ-
ment is safe and meets all safe-working conditions discussed in
section 4, Rules for safer operation.
TO PREVENT SERIOUS INJURY DO NOT OPERATE SAW WITHOUT PROPER
TRAINING AND. UNDERSTANDING OF THE OWNERS MANUAL
WHEN OPERATING THIS MACHINE
6
Keep all guards
in place
TO PREVENT SERIOUS INJURY DO NOT OPERATE SAW WITHOUTPROPER TRAINING AND.
UNDERSTANDING OF THE OWNERS MANUAL
WHEN OPERATING THIS MACHINE
ALWAYS WEAR SAFETY APPROVED
HEARING PROTECTION
EYE OR FACE PROTECTION
PROTECTIVE HELMET
PROTECTIVE GLASSES OR FULL FACE PROTECTION
WEAR HAND PROTECTION
WARNING: Improperly maintaining the JS including the Honda engine or failing to correct a problem before
operation could cause a malfunction resulting in a serious injury. Always perform a pre-operation inspection before
each operation and correct any problem. See Honda Engines Owner's Manual.
5.2
Check the condition of the Honda engine. See the section titled "Before operation - is your
engine ready to go?" in the Honda Engines Owner's Manual.
WARNING: Exhaust gas from gasoline engines contains dangerous carbon monoxide. Breathing it can cause
unconsciousness and even kill you. Always operate gasoline engine machines in a well-ventilated area. Do not
operate in areas where exhaust fumes could accumulate without wearing appropriate respiratory protection.
Consult your employer and OSHA regarding use of appropriate respirator for dangerous carbon monoxide
gases. See Figure 7.
EEnnggiinnee eexxhhaauusstt ccoonnttaaiinnss
ppooiissoonnoouuss ccaarrbboonn
m
moonnooxxiiddee ggaass.. Breathing
it could cause death.
Operate machine in well
ventilated area.
FFiigguurree 77 -- W
Waarrnniinngg llaabbeell -- eennggiinnee eexxhhaauusstt ccoonnttaaiinnss ccaarrbboonn m
moonnooxxiiddee ggaass
1111
Wear Head Protec-
tion, breathing pro-
tection, and the use
of hearing protection
is mandatory
TO PREVENT SERIOUS INJURY DO NOT OPERATE SAW WITHOUTPROPER TRAINING AND.
UNDERSTANDING OF THE OWNERS MANUAL
WHEN OPERATING THIS MACHINE
ALWAYS WEAR SAFETY APPROVED
HEARING PROTECTION
EYE OR FACE PROTECTION
PROTECTIVE HELMET
PROTECTIVE GLASSES OR FULL FACE PROTECTION
WEAR HAND PROTECTION
WARNING: Improperly maintaining the JS including the Honda engine or failing to correct a problem before
operation could cause a malfunction resulting in a serious injury. Always perform a pre-operation inspection before
each operation and correct any problem. See Honda Engines Owner's Manual.
5.2
Check the condition of the Honda engine. See the section titled "Before operation - is your
engine ready to go?" in the Honda Engines Owner's Manual.
WARNING: Exhaust gas from gasoline engines contains dangerous carbon monoxide. Breathing it can cause
unconsciousness and even kill you. Always operate gasoline engine machines in a well-ventilated area. Do not
operate in areas where exhaust fumes could accumulate without wearing appropriate respiratory protection.
Consult your employer and OSHA regarding use of appropriate respirator for dangerous carbon monoxide
gases. See Figure 7.
EEnnggiinnee eexxhhaauusstt ccoonnttaaiinnss
ppooiissoonnoouuss ccaarrbboonn
m
moonnooxxiiddee ggaass.. Breathing
it could cause death.
Operate machine in well
ventilated area.
FFiigguurree 77 -- W
Waarrnniinngg llaabbeell -- eennggiinnee eexxhhaauusstt ccoonnttaaiinnss ccaarrbboonn m
moonnooxxiiddee ggaass
1111
WARNING
Read and understand
operator's manual before
using this machine.
Failure to follow operating
Instructions could result
in injury or damage to
equipment.
Use only diamond blades (steel
centered diamond cutting-off
wheels) with this machine. RPM
rating on blade must exceed
machine max rpm rating. The use
of any other blade could result in
death or serious injury.
5400 MAX. RPM
Avoid injury.
Do NOT operate with
guard removed.
Replace guard before
operating machine.
C1 hazard Communication Sywems. LLLLC
C
M
MO
O--7
74
46
6--0
02
24
41
1
To avoid injury:
Always inspect saw
blades before use.
Replace all cracked or damaged
blades.
Rotating blade
hazard.
Do NOT operate with
guard up.
Keep hands and feet
away.
Engine exhaust
contains poisonous
ccaarrbboonn m
moonnooxxiiddee ggaass..
Breathing it could cause
death.
Operate machine in well
ventilated area.
This product can expose you to chemicals, including NICKEL. When used, serviced, cleaned, or maintained equipment could generate particulates
that contain chemicals, including silica. These chemicals are known to the state of California to cause cancer and birth defects or other
reproductive harm. For more information, visit
www.P65Warnings.ca.gov
4.0
Rules for safer operation
Flying debris
and loud noise
hazards. Wear
ear and eye
protection
Wear hand
protection
5.3
Obtain MATERIAL SAFETY DATA SHEET (MSDS) for all work
surface materials. This includes primers, all coatings, adhesives, tile and
crack filling materials, etc. Do not attempt to cut, clean out, or remove
material without MSDS information. Consult MSDS sheet for health
hazards information.
WARNING:
The
U.S.SAWS MARK III
maximum blade operating speed
is 6600 rpm. Do not use a blade that is not a dry cut diamond blade.
Using a non dry cut diamond blade or a blade rated below 6600 rpm
could result in severe blade failure, personal injury or death. See
Figure 8 and Figure 9. Never cut material for which the blade was not
designed. Check blade manufacturer’s guidelines on material to be
cut. Never operate a blade in the wrong rotation direction. Verify blade
direction when changing blades. The
U.S.SAWS MARK III i
s designed
to cut in a straight line. Never attempt to cut any pattern or follow any
joint that is not a straight line.
Surface Prep
Division
P: 877-817- 6687 F: 813-621-7125
Visit us at www.ussaws.com
5.0
PRE-OPERATION CHECKLIST
6600 MAX. RPM
Figure 8 - Max rpm label - maximum blade speed
5.4
Choose the proper dry cut diamond blade for the application,
speed and material to be cut. See Figure 9.
55..33
Observe the condition of your work environment. Walk over area work area and look for hazards. Make
sure the work environment is safe and meets all safe-working conditions discussed in section 4, Rules
for safer operation.
55..44
Obtain MATERIAL SAFETY DATA SHEET (MSDS) for all work surface materials. This includes primers,
all coatings, adhesives, tile and crack filling materials, etc. Do not attempt to cut, clean out, or remove
material without MSDS information. Consult MSDS sheet for health hazards information. Be aware that
some materials are explosive as a dust
WARNING: The JS SERIES SAWS maximum blade operating speed is 5400 rpm as labeled on the blade guard.
Use only dry cut diamond blades rated higher than 5400 rpm safe operating speed. Do not use a blade rated
for less than 5400 rpm. Do not use a blade that is not a dry cut diamond blade. Using a non dry cut diamond blade
or a blade rated below 5400 rpm could result in severe blade failure, personal injury or death. See Figure 8 and
Figure 9. Never cut material for which the blade was not designed. Check blade manufacturer's guidelines on
material to be cut. Never operate a blade in the wrong rotation direction. Verify blade direction when changing
blades. The JS is designed to cut in a straight line. Never attempt to cut any pattern or follow any joint that is not a
straight line.
55440000 M
MAAXX.. RRPPM
M
FFiigguurree 88 -- M
Maaxx rrppm
m llaabbeell -- m
maaxxiim
muum
m bbllaaddee ssppeeeedd
5.5
Choose the proper dry cut diamond blade for the application, speed and material to be cut. See
Figure 9.
UUssee oonnllyy ddiiaam
moonndd bbllaaddeess ((sstteeeell
cceenntteerreedd ddiiaam
moonndd ccuuttttiinngg--ooffff
w
whheeeellss)) w
wiitthh tthhiiss m
maacchhiinnee.. RRPPM
M
rraattiinngg oonn bbllaaddee m
muusstt eexxcceeeedd m
maacchhiinnee
m
maaxx rrppm
m rraattiinngg.. TThhee uussee ooff aannyy ootthheerr
bbllaaddee ccoouulldd rreessuulltt iinn ddeeaatthh oorr sseerriioouuss
iinnjjuurryy..
FFiigguurree 99 -- W
Waarrnniinngg llaabbeell -- uussee oonnllyy ddiiaam
moonndd bbllaaddeess
55..55
Clearly mark all intended cut areas with straight paint or chalk lines.
55..66
Verify that the lever is disengaged or released, and the Honda engine switch and fuel valve lever are
in the OFF position. Make sure blade is completely stopped.
CAUTION: Running the JS generates heat in the engine, blade and blade guard. Do not touch these
components without wearing proper heat protecting work gloves.
12
Figure 2 - Warning label - use only diamond blades
5.5
Clearly mark all intended cut areas with straight paint or
chalk lines.
CAUTION:
Running the MARK III generates heat in the engine, blade
and blade guard. Do not touch these components without wearing
proper heat protecting work gloves.