Grizzly H7949 Instruction Manual

2 1/2" and 2 3/4" coil nailer/roofing nailer

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Owner's manual (29 pages)

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MODEL H7949/H7950/H7951

INSTRUCTION MANUAL

H7949 2

COIL NAILER

H7951

H7950 2

ROOFING NAILER

COIL NAILER

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

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Summary of Contents for Grizzly H7949

Page 1: Instruction Manual
H7950 2 " ROOFING NAILER COIL NAILER COPYRIGHT © DECEMBER, 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. #JC8623 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 UNINTENTIONAL STARTING. Do not carry tool with hand on trig- ger and always disconnect from air when not in use. H7949/H7950/H7951 Nailer 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.
Page 4: Additional Safety Instructions For Nailers
Seek formal training or research sources that specialize in pneumatic tools. 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...
Page 5 Serious personal injury may result if safety or operational information is not understood or followed. H7949/H7950/H7951 Nailer Never point this nailer at yourself or another person! Always pay attention to the direction this nailer is pointed.
Page 6: Contact Info
Foreword 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-...
Page 7 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.
Page 8: Compressed Air System
Tool Quick Coupler 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.
Page 9 — 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.
Page 10: Loading Nails
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.
Page 11 Ignoring this warning may result in serious personal injury. 2. Unlatch the cover lock, as shown in Figure 7, and pull the magazine cover open. H7949/H7950/H7951 Nailer Feeder Pawls Figure 7. Unlatching the magazine cover 3. Press the adjusting pin inside the mag- Figure 8.
Page 12 Figure 10. Figure 10. Loosening the exhaust cap screw. 2. Rotate the exhaust cover by hand to aim the exhaust port in the desired direction. 3. Tighten the exhaust cover cap screw. H7949/H7950/H7951 Nailer Exhaust Cap Screw...
Page 13: Using The Nailer
3. Depress the safety nose mechanism against your workpiece. H7949/H7950/H7951 Nailer 4. Before pulling the trigger, make sure your free hand and other body parts are positioned out of the way of a...
Page 14: Adjusting Depth
Use a steel rod and hammer to tap the jammed nail back into the magazine driving hole as shown in Figure 13. Jammed Nail into the magazine driving hole. nail out of the driving hole as shown in Figure 14. driving hole. H7949/H7950/H7951 Nailer...
Page 15 Grizzly: call 1-800-523-4777. The Piston Repair Kit part number for Model H7949 is PH7949103; the Piston Repair Kit part number for Model H7950 is PH7950103; the Piston Repair Kit part number for Model H7951 is PH7951104.
Page 16: Cleaning & Lubricating
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 15) every 2 hours of continuous use.
Page 17 H7949 PARTS BREAKDOWN � �� H7949/H7950/H7951 Nailer ��...
Page 18 H7949 PARTS LIST REF PART # DESCRIPTION PFH55M FLAT HD CAP SCR M6-1 X 20 PH7949002 FRONT BRACKET PH7949003 EXHAUST COVER PH7949004 EXHAUST FILTER PH7949005 EXHAUST FILTER PLATE PSB38M CAP SCREW M5-.8 X 25 PH7949007 CAP PH7949008 SPRING PH7949009 WASHER...
Page 19 H7949 PARTS LIST REF PART # DESCRIPTION PH7949079 PILOT VALVE PH7949080 O-RING PH7949081 BALL PIN PH7949082 TRIGGER VALVE HOUSING PH7949083 O-RING PH7949084 O-RING PH7949085 TRIGGER PLATE PH7949086 TRIGGER PRP98M ROLL PIN 3 X 16 PH7949088 SLIDE SHAFT PH7949089 SPRING PH7949090...
Page 20 �� H7949/H7950/H7951 Nailer �� ...
Page 21 PH7949033 RETAIN RUBBER PH7949034 RETAIN RUBBER PH7949035 CHECK PAWL PH7949036 SPRING PH7949037 STEPPED PIN PH7950038 PROTECTOR PH7949039 FEED PAWL H7949/H7950/H7951 Nailer PAGE 1 OF 2 REF PART # PH7949040 PH7949041 PH7949042 PH7949043 PH7949044 PH7949045 PH7949046 PH7949047 PH7949048 PH7950049 PH7949050 PH7949051...
Page 22 101 PAW04M 102 PAW05M 103 PH7950103 104 PH7950104 105 PH7950105 DESCRIPTION CONTACT TRIP BLOCK ADJUSTING BOLT COVER O-RING RUBBER GRIP ADJUSTING NUT NAILER CASE INCLUDED PNEUMATIC OIL HEX WRENCH 4MM HEX WRENCH 5MM PISTON REPAIR KIT MACHINE LABEL SPRING H7949/H7950/H7951 Nailer...
Page 23 �� H7949/H7950/H7951 Nailer �� ...
Page 24 SAFETY LEVER ROLL PIN 3 X 8 FLAT WASHER 6MM BUTTON HD CAP SCR M5-.8 X 12 NOSE COVER PALLET TIP SIDING TIP DECKING TIP ROLL PIN 3 X 30 TRIGGER VALVE CAP O-RING PLUNGER SPRING O-RING O-RING H7949/H7950/H7951 Nailer...
Page 25 PH7949088 SLIDE SHAFT PH7949089 SPRING PH7949090 TRIP GUIDE PH7949091 SPRING PH7949092 CONTACT TRIP BLOCK PH7949093 ADJUSTING BOLT H7949/H7950/H7951 Nailer PAGE 2 OF 2 REF PART # PH7949094 PH7949095 PH7949096 PH7949097 PH7951098 PH7951099 101 PH7949100 102 PAW04M 103 PAW05M 104 PH7951104...
Page 26: Troubleshooting
1. Use correct nails. 2. Use undamaged, clean nails. 3. Tighten magazine. 4. Replace worn or damaged parts. 5. Use correct angle nails. 1. Clear nailer magazine or discharge area. 2. Replace piston shaft. 3. Check/increase air pres- sure. H7949/H7950/H7951 Nailer...
Page 27: 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 29: 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 30 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...

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