Senco JN91H1 Operating Instructions Manual
Senco JN91H1 Operating Instructions Manual

Senco JN91H1 Operating Instructions Manual

Metal connectors

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Warnings for the safe use of this tool are included in this manual.
Los avisos para el uso seguro de esta herramienta están incluidos en este manual.
Les consignes pour l'utilisation en toute sécurité de cet outil se trouvent dans ce manuel.
KYOCERA-SENCO Industrial Tools, Inc.
8450 Broadwell Road
Cincinnati, OH 45244
1-800-543-4596
www.senco.com
METAL CONNECTORS
NFD8JN91 • Issued October 26, 2021
JN91H1 / JN91P1
JN91H2 / JN91P2
Operating Instructions
IMPORTANT:
Read before use.
© 2021 by KYOCERA-SENCO Industrial Tools, Inc.

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Summary of Contents for Senco JN91H1

  • Page 1 Les consignes pour l’utilisation en toute sécurité de cet outil se trouvent dans ce manuel. IMPORTANT: Read before use. KYOCERA-SENCO Industrial Tools, Inc. NFD8JN91 • Issued October 26, 2021 8450 Broadwell Road Cincinnati, OH 45244 1-800-543-4596 www.senco.com © 2021 by KYOCERA-SENCO Industrial Tools, Inc.
  • Page 2: Table Of Contents

    Table of Contents Employer’s Responsibilities ........................2 Safety Warnings ............................3 Maintenance ............................... 6 Functional Operation (JN91H1 / JN91H2) ....................8 Functional Operation (JN91P1 / JN91P2) ....................9 Tool Use ..............................10 Actuation System ............................. 10 Clearing Jam ............................11 Features ..............................
  • Page 3: Safety Warnings

    SAFETY WARNINGS Read and understand tool labels and manual. Failure to follow WARNING warnings will result in DEATH or SERIOUS INJURY. Save These Instructions. Personal Protective Equipment Use safety equipment. Always wear ANSI Z87+ safety glasses with permanently attached side shields. Dust mask, non-skid safety shoes, hard hat, or hearing protection must be used for appropriate conditions.
  • Page 4 It is recommended that operators that are less experienced using pneumatic fastener driving tools choose a sequential mechanism until they become familiar with the tool and its operation. Please call Senco Customer Service to obtain an alternate trigger type in those tools that can be user modified to fit the application and/or level of operator experience.
  • Page 5 (7) MAX AIR PRESS. 120 PSI (8.3 BAR) Operating Controls Do not use tool without danger label on tool. If label is missing, damaged or unreadable, contact your SENCO represen- tative to obtain a new label. Never use tool if safety element, trigger or springs have become inoperable, missing or damaged. Do not tamper with or remove safety element, trigger or springs.
  • Page 6: Maintenance

    Do not use tool if safety element or trigger sticks or binds. Squirt Senco pneumatic oil (5 to 10 drops) into the air inlet twice daily (depending on frequency of tool use). Other oils may damage O-rings and other tool parts.
  • Page 7 SAFETY WARNINGS The employer, tool owner and tool operator: • are responsible for ensuring that the tools are kept in safe working order. • are responsible for ensuring that only qualified personnel shall repair the tool. • are responsible for ensuring that manufacturers tool maintenance instructions are available to personnel performing maintenance.
  • Page 8: Functional Operation (Jn91H1 / Jn91H2)

    Functional Operation (JN91H1 / JN91H2) Grasping Surface Adjustable Exhaust Deflector Belt Hook Inlet Air Fitting Trigger Workpiece Contact Element Feeder Shoe...
  • Page 9: Functional Operation (Jn91P1 / Jn91P2)

    Functional Operation (JN91P1 / JN91P2) Grasping Surface Adjustable Exhaust Deflector Belt Hook Inlet Air Fitting Trigger Feeder Shoe Workpiece Contact Element...
  • Page 10: Tool Use

    Senco strongly recommends the use of hardened nails in the JN Series tools. WORK CONTACT ELEMENT (JN91H1 / JN91H2): The moveable nose, which acts as the contact trip, is in the “depressed” position at rest to allow visibility of the nail points. When the tip of the nail is placed in the pre-punched metal connector hole and the trigger is pulled, the moveable nose moves out from the tool to detect the work surface.
  • Page 11: Clearing Jam

    When approximately five nails remain in the magazine, the workpiece contact (safety element) will be locked in the undepressed position until more nails are loaded into the magazine. Repairs other than those described here should be performed only by trained, qualified personnel. Contact SENCO for information at 1-800-543-4596.
  • Page 12: Troubleshooting

    Troubleshooting JN91H1 JN91P1 Problem/Symptom Potential Cause Corrective Action ① Air leak near top of tool / Firing valve seal Verify air supply / Tighten screws or install Parts Kit Sluggish operation JN91H - YK0895 JN91P - YK0898 ② Air leak near bottom of tool /...
  • Page 13: Accessories

    Accessories SENCO offers a full line of accessories for your SENCO tools, including: • Air Compressors • Hose • Couplers • Fittings • Safety Glasses • Pressure Gauges • Lubricants • Regulators • Filters Options SEQUENTIAL TRIGGER—This feature is helpful when precise fastener placement is required.
  • Page 14: Fastener Specifications

    Fastener Specifications JN91H1 JN91P1 KJ17 MD17 KJ25, MD25 ND25 .131 " .148 " .131 ", .148 " .162 " JN91H2 JN91P2 KJ17 KJ17 MD17 MD17 MD25 ND25 1 1/2" 1 1/2" 2 1/2" 2 1/2"...
  • Page 15: Limited Warranty

    KYOCERA-SENCO Industrial Tools, Inc. (“SENCO”) designs and constructs its products using the highest standards of material and workmanship. SENCO warrants to the original retail purchaser that the following products will be free from defects in material or workmanship for the warranty period...
  • Page 16 KYOCERA-SENCO Industrial Tools, Inc. 8450 Broadwell Road Cincinnati, Ohio 45244 1-800-543-4596 www.senco.com...

This manual is also suitable for:

Jn91p1Jn91h2Jn91p2

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