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Do  not  exceed  maximum  recommended  air  pressure 
marked on the tool. 

Verify prior to using the tool that the air 

source  has  been  adjusted  within  the  rated  air-pressure 
rang. Be sure the air pressure gauge is operating properly 
and check it at least twice a day. Tools operated in excess 
of their maximum pressure rating may operate abnormally 
or burst resulting in personal injury.
To connect the tool to the compressor only use pneumatic 
air hoses that meet the following criteria:

Minimum hose pressure rating, 600PSI.
Minimum hose inner diameter, 1/4 in.
Maximum hose length, 100 ft.

Connect the air supply:

Snap the air hose onto the quick connector.
Check for air leakage. If leakage is noted, stop using the 
tool  immediately  and  perform  by  qualified  repair 
personnel.
Be sure the air pressure gauge is operating properly and 
check it at least twice a day.

TOOL TESTING 

OPERATORS  AND  OTHERS  IN  WORK  AREA  MUST  WEAR 
SAFETY GLASSES WITH SIDE SHIELDS WHICH CONFORMS 
TO ANSI Z87.1 SPECIFICATIONS.

NEVER  USE  TOOL  UNLESS  SAFETY  IS  OPERATING 
PROPERLY.

1.
2.
3.

WARNING

WARNING

DANGER

The  machine  employs  a  preventive  mechanism  for 
unloaded operation.

The machine enters a state where the push lever stopper 
runs into  the upper part  of the  push lever and  the push 
lever  cannot  be  pushed  up.  This  takes  place  when  the 
magazine is not loaded with nails or when the remaining 
number of nails becomes less than 4-7 (This differs by the 
type of nail).

Push lever 

stopper

Push lever 

FIG. 5

Use caution not to throw the push lever tip onto wood and 
while the push lever stopper is in the upper part of the push 
lever.

CAUTION

Before actually beginning the nailing work, test the tool by 
using  the  checklist  below.  Conduct  the  tests  in  the 
following order. 

Disconnect air hose from tool. Remove all nails from tool.

1.

This  s a state where the push lever stopper rad into 
the upper part of this push lever and the push lever 
cannot be pusher up.

i

FIG. 6

THE  NO-MAR  TIP  AND  TRIGGER  MUST  MOVE 
SMOOTHLY.

Trigger

No-Mar tip

FIG. 7

Adjust the air pressure to 180psi. Connect the air hose. 
Do not load any nails in the tool. Set the switching device 
to the downward position.

2.

THE TOOL MUST NOT LEAK AIR.

5

Do not connect 

air hose.

FIG. 4

FIG. 8

Push lever 

stopper

Push lever 

Keep the nail feeder 

pulled backward

Downward 

position

Switch Button

Summary of Contents for HS10021

Page 1: ...USERS MANUAL Failure to follow warning could result in DEATH OR SERIOUS INJURY WARNING M1002 03 11 V1 HIGH PRESSURE NAILER MODEL HS3490...

Page 2: ...NAL SAFETY TOOL USE AND CARE SERVICE AIR SOURCE CONTENTS JAM CLEARING CLEANING STORAGE HOOKUP INSTRUCTIONS FOR TOOL TO AIR SUPPLY IMPORTANT INFORMATION EXPLANATION OF THE NAILING ACTION GENERAL SAFETY...

Page 3: ...ALWAYS WEAR EAR AND HEAD PROTECTION USE SAFETY EQUIPMENT DRESS PROPERLY STAY ALERT WATCH WHAT YOU ARE DOING AND USE COMMON SENSE WHEN OPERATING A POWER TOOL AVOID UNINTENTIONAL FIRING DO NOT OVERREACH...

Page 4: ...ool can fire when re connected to an air supply The fasteners can be driven or a way from the workpiece hit someone 1 Doing maintenance and inspection 2 Turning the adjuster and top cover 3 Attaching...

Page 5: ...justment Safety No Mar tip Magazine Pusher Hand Grip Trigger Air Plug Switch Button SPECIFICATIONS Product Size Weight Normal Operating Pressure Magazine Capacity Maintenance Firing Mode Fastener Size...

Page 6: ...the air supply fitting attached to the tool handle FIG 2 Using too much oil will cause it to collect in the tool and be noticeable in the exhaust ASSEMBLY INSTALLATION Follow the instructions below t...

Page 7: ...G WARNING DANGER The machine employs a preventive mechanism for unloaded operation The machine enters a state where the push lever stopper runs into the upper part of the push lever and the push lever...

Page 8: ...ll not operate properly 6 With the Nailer off the workpiece pull the trigger Pull the tool Feeder backward and depress the push lever against the workpiece THE TOOL MUST NOT OPERATE If no abnormal ope...

Page 9: ...UATION MECHANISM of this tool will drive a nail each time the push lever is pressed against the wood as long as the trigger is pressed For intermittent operation set the switching device to the upward...

Page 10: ...aw before using Moisture frozen in the tool may impede internal components resulting in the risk of injury and or tool damage ADJUSTING THE NAILING DEPTH Disconnect the tool from the air source before...

Page 11: ...ly clean the tool with compressed air Clean the magazine Remove metal or wooden chips which may have accumulated in the magazine Periodically clean magazine with compressed air WARNING HOOKUP INSTRUCT...

Page 12: ...rn or damaged O rings or seals 1 Inadequate air supply 2 Tool is too dry 3 Exhaust blocked 4 Worn or damaged O rings or seals 1 Driver channel is worn 2 Piston is broken or worn 3 Bent fasteners 4 Dir...

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