Grizzly H7949 Manuel utilisateur

WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE

OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.

#JC8623 PRINTED IN TAIWAN

MODEL H7949/H7950/H7951

INSTRUCTION MANUAL

H7949 21/2"

COIL NAILER

H7950 23/4"

COIL NAILER

H7951

ROOFING NAILER

Safety Instructions For Pneumatic Tools

1. KEEP ALL SAFETY DEVICES IN

PLACE and in working order.

2. REMOVE ADJUSTING KEYS AND

WRENCHES. Form habit of check-

ing to see that keys and adjusting

wrenches are removed from tool

before operation.

3. KEEP WORK AREA CLEAN.

Cluttered areas and benches invite

accidents.

4. DO NOT USE IN DANGEROUS

ENVIRONMENT. Do not use pneu-

matic tools in damp or wet loca-

tions, or where any flammable or

noxious fumes may exist. Keep

work area well lighted.

5. KEEP CHILDREN AND VISITORS

AWAY. All children and visitors

should be kept at a safe distance

from work area.

6. MAKE WORKSHOP CHILD

PROOF by locking your shop and

shutting off air valves.

7. DO NOT FORCE TOOL. It will do

the job better and safer at the rate

for which it was designed.

8. USE THE RIGHT TOOL. Do not

force tool or attachment to do a job

for which it was not designed.

9. DO NOT USE UNDER THE

INFLUENCE OF DRUGS OR

ALCOHOL.

For Your Own Safety Read Instruction Manual

Before Operating This Equipment

The purpose of safety symbols is to attract your attention to possible hazard-

ous conditions. This manual uses a series of symbols and signal words which

are intended to convey the level of importance of the safety messages. The

progression of symbols is described below. Remember that safety messages by

themselves do not eliminate danger and are not a substitute for proper accident

prevention measures.

Indicates a potentially hazardous situation which, if

not avoided, MAY result in minor or moderate injury.

It may also be used to alert against unsafe practices.

Indicates a potentially hazardous situation which, if

not avoided, COULD result in death or serious injury.

Indicates an imminently hazardous situation which, if

not avoided, WILL result in death or serious injury.

This symbol is used to alert the user to useful infor-

mation about proper operation of the equipment.

SAFETY

NOTICE

H7949/H7950/H7951 Nailer -1-

10. USE PROPER AIR HOSE for the

tool. Make sure your air hose is in

good condition and is long enough to

reach your work without stretching.

11. WEAR PROPER APPAREL. Do not

wear loose clothing, gloves, neck-

ties, rings, bracelets, or other jew-

elry which may get caught in moving

parts. Non-slip footwear is recom-

mended. Wear a protective hair cov-

ering to contain long hair.

12. ALWAYS USE ANSI APPROVED

SAFETY GLASSES. Also use a

face or dust mask if cutting operation

is dusty. Everyday eyeglasses only

have impact resistant lenses, they

are NOT safety glasses.

13. ALWAYS WEAR ANSI APPROVED

HEARING PROTECTION.

14. SECURE WORK. Use clamps or a

vise to hold work when practical. It is

safer than using your hand and frees

both hands to operate tool.

15. MAINTAIN TOOLS WITH CARE.

Keep tools lubricated and clean

for best and safest performance.

Follow instructions for lubricating

and changing accessories.

16. REDUCE THE RISK OF

UNINTENTIONAL STARTING. Do

not carry tool with hand on trig-

ger and always disconnect from air

when not in use.

17. DISCONNECT TOOLS before ser-

vicing, changing accessories, or

moving to another location.

18. DO NOT OVERREACH. Keep

proper footing and balance at all

times.

19. USE THE RECOMMENDED

ACCESSORIES. Consult owner’s

manual for recommended acces-

sories. The use of improper acces-

sories may cause risk of injury.

20. CHECK FOR DAMAGED PARTS

BEFORE USING. Check for bind-

ing and alignment of parts, broken

parts, part mounting, loose bolts,

and any other conditions that may

affect machine operation. Repair or

replace damaged parts.

21. NEVER LEAVE UNATTENDED

TOOL CONNECTED TO AIR.

Disconnect the air hose and do not

leave tool until it is relieved of any

built up pressure.

22. NEVER ALLOW UNTRAINED

USERS TO USE THIS TOOL

WHILE UNSUPERVISED.

23. IF YOU ARE UNSURE OF THE

INTENDED OPERATION, STOP

USING THE TOOL. Seek formal

training or research books or maga-

zines that specialize in pneumatic

tools.

Safety Instructions For Pneumatic Tools

H7949/H7950/H7951 Nailer

-2-

1. HAND INJURIES: Do not place

your hands near the nail point

of entry. A nail can deflect and

tear through the surface of the

workpiece, puncturing your hand

or fingers.

2. COMBUSTIBLE GASES: Never

connect the nailer to pressur-

ized oxygen or other combustible

gases as a power source. Only

use filtered, lubricated, and regu-

lated compressed air.

3. SAFE HANDLING: Never point

the nailer at others! Do not keep

the trigger pulled when loading

fasteners, carrying, or holding tool.

Carry the nailer only by the handle,

never by any other part. Do not

carry the nailer by the air hose.

Disconnect the nailer from the air

hose when going up and down

ladders.

4. AIR HOSE: Make sure your air

hose is designed for the tool in

use, is in good condition, and is

long enough to reach your work

without stretching. However, an

overly long air hose in the work

area may be a tripping hazard.

Additional Safety Instructions for Nailers

5. COMPRESSED AIR RATING: Do

not connect the nailer to compressed

air that exceeds 120 PSI.

6. CHECK VALVE: Do not use a check

valve or any other fitting that allows

air to remain in the tool.

7. CLEANING: Never use gasoline or

other flammable liquids to clean the

nailer; vapors in the nailer may ignite

by a spark and cause the nailer to

explode.

8. OPERATING QUESTIONS: If you

are not sure about the intended

operation, stop using the nailer.

Seek formal training or research

sources that specialize in pneumatic

tools.

9. MAINTENANCE: Always disconnect

air from the nailer when servicing or

installing nails. During adjustments

or maintenance, a nailer connected

to air may fire accidentally, causing

serious personal injury.

H7949/H7950/H7951 Nailer -3-

Operating this nailer can propel

objects into the air, causing imme-

diate eye damage. To protect your-

self, always wear American National

Standards Institute (ANSI) approved

safety glasses or goggles when oper-

ating this equipment. In addition, the

intensity of sound made by this nailer

at discharge can reach 90 decibels.

To protect your hearing, always wear

ANSI approved ear protection when

operating this nailer.

Never point this nailer at yourself or

another person! Always pay attention

to the direction this nailer is pointed.

Use this tool with respect and caution

to lessen the possibility of operator or

bystander injury. Ignoring this warning

may result in serious personal injury.

Nailer accidents routinely happen

while moving the gun to another loca-

tion, such as up ladders, to another

room, or even another job site. Always

disconnect the gun immediately after

use and never transport the gun while

connected to the air—even if the air

compressor is disconnected from its

power source!

No list of safety guidelines can be

complete. Every shop environment is

different. Always consider safety first,

as it applies to your individual working

conditions. Use this and other tools

with caution and respect. Failure to

do so could result in serious personal

injury, damage to equipment or poor

work results.

Read the manual before operation.

Become familiar with these nailers,

their safety instructions, and opera-

tion before beginning any work.

Serious personal injury may result if

safety or operational information is

not understood or followed.

H7949/H7950/H7951 Nailer

-4-

INTRODUCTION

If you have any comments regarding this

manual, please write to us at the following

address:

Grizzly Industrial, Inc.

C/O Technical Documentation Manager

P.O. Box 2069

Bellingham, WA 98227-2069

Email: [email protected]

Most importantly, we stand behind our

tools. If you have any service questions or

parts requests, please call or write us at

the location listed below.

Grizzly Industrial, Inc.

1203 Lycoming Mall Circle

Muncy, PA 17756

Phone: (570) 546-9663

Fax: (800) 438-5901

E-Mail: [email protected]

Web Site: http://www.grizzly.com

We are proud to offer the Grizzly Model

H7949/H7950/H7951 Nailer. This nailer

is part of a growing Grizzly family of fine

pneumatic tools. When used according

to the guidelines in this manual, you can

expect years of trouble-free, enjoyable

operation and proof of Grizzly’s commit-

ment to customer satisfaction.

The specifications and photographs in this

manual represent Model H7949/H7950/

H7951 as supplied when this manual was

prepared. However, owing to Grizzly’s pol-

icy of continuous improvement, changes

may be made at any time with no obliga-

tion on the part of Grizzly.

Foreword

Contact Info

Nail Type ..................Flat Wire Welded Coil

Nail Length .................................. 11/2"–21/2"

Magazine Capacity .............. 250–400 Nails

Weight .............................................5.5 lbs.

Air Inlet ..........................................1/4" NPT.

Operating Pressure ................. 70–110 PSI

Model H7949

Specifications

Model H7951

Specifications

Nail Type ..................Flat Wire Welded Coil

Nail Length .................................. 11/2"–23/4"

Magazine Capacity .............. 250–400 Nails

Weight .............................................6.2 lbs.

Air Inlet ..........................................1/4" NPT.

Operating Pressure ................. 70–110 PSI

Model H7950

Specifications

Nail Type ..................Flat Wire Welded Coil

Nail Length .................................... 3/4"–13/4"

Magazine Capacity .............. 250–400 Nails

Weight .............................................5.5 lbs.

Air Inlet ..........................................1/4" NPT.

Operating Pressure ................. 70–110 PSI

H7949/H7950/H7951 Nailer -5-

SETUP

Figure 1. Model H7949/H7950/H7951 inventory.

Unpacking

Your Model H7949/H7950/H7951 left our

warehouse in a carefully packed box. If

you discover the nailer is damaged after

you have signed for delivery, please imme-

diately call Customer Service at (570) 546-

9663 for advice.

Save the containers and all packing mate-

rials for possible inspection by the car-

rier or its agent. Otherwise, filing a freight

claim can be difficult.

When you are completely satisfied with

the condition of the shipment, you should

inventory the equipment.

Inventory

After you open the nailer box, you should

find the following.

Model H7949/H7950/H7951 Inventory

(Figure 1)

A. Nailer .................................................. 1

B. Nailer Case ........................................ 1

C. O-Rings .............................................. 2

D. Pneumatic Tool Oil ............................ 1

E. Hex Wrenches 4, 5mm .............1 Each

F. Interchangeable Nose Tips (not

shown) ............................................... 3

H7949/H7950/H7951 Nailer

-6-

Compressed Air

System

The Model H7949/H7950/H7951 is

designed to be operated at 70–110 PSI

using clean, dry, regulated, compressed

air. DO NOT exceed 120 PSI.

Before using your new nailer, set the air

pressure on your regulator to the mini-

mum PSI for your model.

An in-line filter/lubricator/regulator unit,

depicted in Figure 2, can be installed and

should be located as close to the nailer

as possible.

This filter/lubricator/regulator unit will pro-

tect your tool from damaging water build-

up, allow you to adjust and maintain con-

stant air pressure to your tool, and save

you the inconvenience of manually lubri-

cating your tool every time you use it.

Quick

Connector

Quick

Coupler

Air Hose Quick

Coupler

Quick

Connector

Lubricator

Filter

Regulator

Air

Compressor

Your

Tool

Figure 2. Typical filter/lubricator/regulator installation order.

Check the current Grizzly catalog for avail-

ability of this unit. If you plan on install-

ing a filter/lubricator/regulator unit in your

compressed air system, always follow the

connection instructions that come with

the unit.

Exceeding the maximum permissible

operating pressure may damage the

seals, gaskets and hammer mecha-

nism of your nailer. DO NOT allow

your air compressor to exceed the

recommended pressure when con-

nected to this nailer or serious per-

sonal injury may result!

H7949/H7950/H7951 Nailer -7-

Testing Safety Nose

Mechanism

A safety mechanism (bump fire) on the

nose of the nailer protects against acci-

dental firing. This mechanism is activated

when nails are loaded into the magazine.

The nailer will not fire when the trigger

is pulled until the safety nose is fully

depressed.

Before you use your nailer for the first

time, check the safety nose mechanism

to ensure proper function.

5. Without pressing the trigger, depress

the safety nose mechanism against a

scrap piece of wood that is clean and

free of any knots, nails, or other foreign

objects.

— If the nailer does not fire, then the

safety nose mechanism is working

correctly.

— If the nailer does fire when you

depress the safety nose, immedi-

ately disconnect the nailer from the

air supply and call Grizzly Technical

Support at (570) 546-9663 for help.

6. Without depressing the safety nose,

point the nailer in a safe direction, and

pull the trigger.

— If the nailer does not fire, then the

safety nose mechanism is working

correctly.

— If the nailer does fire when the

trigger is pulled, without the safety

nose mechanism being depressed,

immediately disconnect the nailer

from the air supply and call Grizzly

Technical Support at (570) 546-

9663 for help.

The safety mechanism is a mechanical

device that can fail. Never rely on this

mechanism as an excuse to point the

nailer at yourself or any bystanders.

Serious injury may occur.

To verify that the safety nose is working

correctly:

1. DISCONNECT NAILER FROM THE

AIR SUPPLY!

2. Insert a coil of nails in the magazine

(see Page 8 for instructions).

3. Make sure the trigger and the safety

nose mechanism move up and down

without sticking.

4. Connect the nailer to the air supply.

Point the nailer away from you and

others when connecting the air supply.

The nailer can cycle and discharge a

nail when the air supply is connected.

Ignoring this warning may result in

serious personal injury.

H7949/H7950/H7951 Nailer

-8-

OPERATIONS

Model H7949/H7950

Loading Nails

Use nails meeting the specifications listed

for your nailer on Page 4 of this manual.

To load nails in your nailer:

1. DISCONNECT NAILER FROM THE

AIR SUPPLY!

Point the nailer away from you and

others when connecting the air supply.

The nailer can cycle and discharge a

nail when the air supply is connected.

Ignoring this warning may result in

serious personal injury.

2. Pull the magazine open from the cover

tab as shown in Figure 3.

Figure 3. Opening the magazine: Model

H7949/H7950.

Magazine

Cover Tab

3. Press the adjusting pin inside the

magazine and slide the plate up or

down until the plate position matches

the nail length as shown in Figure 4.

Note: The plate must be set at the

proper height or the nails will not feed

smoothly into firing position.

Figure 4. Positioning the magazine plate.

Adjusting

Magazine

Plate

4. Place the nail coil into the magazine

and uncoil enough nails to reach the

driving hole as shown in Figure 5.

Figure 5. Loading nails in the magazine.

Driving

Hole

Nail Length

Marks

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