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8

Each depression of the push lever will drive a nail. As soon 
as the desired number of nails have been driven, remove 
finger from the trigger.

Keep your finger off the trigger except during fastening 
operation, because serious injury could result if the push 
lever accidentally contacts you or others in work area.
Keep hands and body away from the discharge area. 
This tool may bounce from the recoil of driving a fastener 
and unwanted subsequent fastener may be driven, 
possibly causing injury.
Some types of loaded nails can spark out of the muzzle 
during a anil driving operation.

WARNING

FIG. 19

If  all  warnings  and  instructions  are  followed,  safe 
operation is possible with all two system: SINGLE

1.

ACTUATION  MECHANISM and CONTACT  ACTUATION 
MECHANISM.
Always handle nails and package carefully. If nails are 
dropped, collating plastic may be broken.
After nailing:
1). Disconnect air hose form the tool.
2). Remove all nails from the tool.

2.

3.

COLD WEATHER OPERATION

When using the tool in cold conditions the tool will cycle 
slower than usual while driving the first nails. The cycle rate 
will increase as the tool warms up. Keep tool warm to avoid 
reduced cycle rate.

DO NOT USE A FROZEN TOOL.

 Allow tool to thaw 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  making 
adjustments.

 Such  precautionary  safety measures  reduce 

the risk or unintentional tool operation.

Disconnect tool from air supply.
Remove nails from the tool.
Adjust tool driving depth:
   To reduce the nail depth , turn the adjustment knob 
  counter clockwise (FIG 20).
   To drive the nail deeper, turn the adjustment knob 
  clockwise (FIG 21).

Reload nails as described in the "Loading Nails" section 
of this manual.
Reconnect air supply.

1.
2.
3.

4.

5.

WARNING

WARNING

Too Deep

Flush

Turn the adjustment knob counter clockwise

FIG. 20

Flush

Too Shallow

FIG. 21

Depth of Drive 

Adjustment

Depth of Drive 

Adjustment

1.Set the switching device to the downward position.
2.Pull the trigger with the tool off the workpiece.
3.Depress the push lever against the workpiece to drive 
a nail.
4.Move the tool along the workpiece with a bouncing 
motion.

3). Supply 5-10 drops lubricant into the air plug on the 
tool; and open the petcock on the air compressor tank to 
drain any moisture.

USING THE NO-MAR TIP

When attaching or detaching the No-Mar Tip, be sure to 
remove your finger from the trigger and disconnect the air 
house from the nailer.

WARNING

Switch Button

1

Upward position

Trigger

3

2

Turn the adjustment knob clockwise

FIG. 18

Summary of Contents for HS3490

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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