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Related Manuals for Grizzly H7943/H7944
Summary of Contents for Grizzly H7943/H7944
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Page 1: Instruction Manual
FRAMING NAILER H7944 34° FRAMING NAILER COPYRIGHT © NOVEMBER, 2006 BY GRIZZLY INDUSTRIAL, INC. WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC. #JC8620 PRINTED IN TAIWAN... -
Page 2: Safety Instructions For Pneumatic Tools
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. - Page 3 Safety Instructions For Pneumatic Tools 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.
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Page 4: Additional Safety Instructions For Nailers
Additional Safety Instructions for Nailers 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. COMBUSTIBLE GASES: Never connect the nailer to pressur- ized oxygen or other combustible gases as a power source. - Page 5 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, this nailer discharges at up to 90 deci- bels.
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Page 6: Contact Info
Foreword We are proud to offer the Grizzly Model H7943/H7944 framing nailer. This nailer is part of a growing Grizzly family of fine pneumatic tools. When used according to the guidelines set forth in this manual, you can expect years of trouble-free, enjoy- able operation and proof of Grizzly’s com-... - Page 7 Unpacking Your Model H7943/H7944 left our ware- house in a carefully packed box. If you dis- cover the nailer is damaged after you have signed for delivery, please immediately 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.
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Page 8: Compressed Air System
Compressed Air System Model H7943/H7944 is designed to be operated at 70–120 PSI using clean, dry, regulated, compressed air. DO NOT exceed the 120 PSI maximum operat- ing pressure for your model. Before using your new nailer, set the air pressure on your regulator to the mini- mum PSI for your model. - Page 9 — 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.
- Page 10 Loading Use nails meeting these specifications: Model H7943 Nail Type: Round Head Strip Angle: 21º Nail Diameter: 0.113" - 0.161" Nail Length: 2"– 4" Magazine Capacity: 66 nails. Model H7944 Nail Type: Clipped Head Strip Angle: 34º Nail Diameter: 0.113" - 0.148" Nail Length: 2"–...
- Page 11 Unloading Nail Strips To remove unused nails: 1. DISCONNECT NAILER FROM THE AIR SUPPLY! 2. Point the nailer away from you. 3. Pull the pusher back from the nails, then press the pusher lock down as shown in Figure 6. Figure 6.
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Page 12: Using The Nailer
Using the Nailer If you have not read the safety instruc- tions in this manual, do not operate the nailer. When using pneumatic nailers, be aware of the causes and dangers of nail deflec- tion. Deflection is caused when grain irregu- larities, knots or foreign objects inside the wood cause the nail to change its path, resulting in the nail puncturing the surface... -
Page 13: Adjusting Depth
Adjusting Depth A depth adjustment device is attached to the nose for setting the nail depth. To adjust the depth: 1. DISCONNECT NAILER FROM THE AIR SUPPLY AND POINT THE NAILER IN A SAFE DIRECTION! 2. Use a hex wrench to loosen the cap screw on the depth adjustment device (Figure 10). -
Page 14: Replacing Pistons/O-Rings
Pistons/O-Rings If you need to replace piston parts in your nailer, you can purchase a piston repair kit from Grizzly. The Piston Repair Kit part number for Model H7943 is PH7943087. The Piston Repair Kit part number for Model H7944 is PH7944087. -
Page 15: Cleaning & Lubricating
H7943 /H7944 Framing Nailer Lubricating Special pneumatic tool oil has been included with your new Grizzly nailer to help maintain its useful life. Place two to six drops of oil in the nailer air inlet (as shown in Figure 12) every 2 hours of continuous use. - Page 16 H7943 PARTS BREAKDOWN � � � � � � � � � �� �� �� �� �� �� �� �� �� �� �� �� �� ������������������������������������������������������������ �������������������������������������������������� �� �� �� �� �� �� �� �� �� �� �� �� �� ��...
- Page 17 43 PH7943043 PUSHER GUIDE 44 PH7943044 SPIRAL SPRING ASSY. H7943 /H7944 Framing Nailer REFPART # DESCRIPTION 45 PH7943045 NAIL GUN LINER 46 PH7943046 MAGAZINE 47 PH7943047 NAIL STOPPER 48 PSBS09M BUTTON HD CAP SCR M6-1 X 12 49 PH7943049 MAGAZINE COVER...
- Page 18 H7944 PARTS BREAKDOWN � � � � � � � � � �� �� �� �� �� �� �� �� �� �� �� �� �� ������������������������������������������������������������� �������������������������������������������������� �� �� �� �� �� �� �� �� �� �� �� �� �� ��...
- Page 19 43 PH7943043 PUSHER GUIDE 44 PH7943044 SPIRAL SPRING ASSY. H7943 /H7944 Framing Nailer REF PART # DESCRIPTION 45 PH7944045 NAIL GUN LINER 46 PH7944046 MAGAZINE 47 PH7943047 NAIL STOPPER 48 PSBS09M BUTTON HD CAP SCR M6-1 X 12 49 PH7943049 MAGAZINE COVER...
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Page 20: Troubleshooting
TROUBLESHOOTING Symptom Possible Cause Air leaking at trig- 1. O-rings in trigger valve hous- ger valve area. Air leaking between 1. Loose screws in housing. housing and hose. 2. Damaged O-ring. 3. Loose air fitting. Air leaking between 1. Damaged seal. housing and cap assembly. -
Page 21: Warranty And Returns
WARRANTY AND RETURNS Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse, negligence, accidents, repairs or alterations or lack of maintenance. -
Page 23: Warranty Card
____20-29 ____50-59 How long have you been a woodworker/metalworker? ____0-2 Years How many of your machines or tools are Grizzly? ____0-2 Do you think your machine represents a good value? ____Yes Would you recommend Grizzly Industrial to a friend? ____Yes Would you allow us to use your name as a reference for our customers in your area? Note: We never use names more than 3 times. - Page 24 Send a Grizzly Catalog to a friend: Name________________________________ Street________________________________ City______________State______Zip_______ FOLD ALONG DOTTED LINE GRIZZLY INDUSTRIAL, INC. P.O. BOX 2069 BELLINGHAM, WA 98227-2069 TAPE ALONG EDGES--PLEASE DO NOT STAPLE Place Stamp Here...