Grizzly T34347 Owner's Manual
Grizzly T34347 Owner's Manual

Grizzly T34347 Owner's Manual

20-ton hydraulic shop press

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MODEL T34347
20-TON HYDRAULIC
SHOP PRESS
OWNER'S MANUAL
(For models manufactured since 12/24)
COPYRIGHT © FEBRUARY, 2025 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.
#KS23441 PRINTED IN CHINA
V1.02.25
***Keep for Future Reference***

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Summary of Contents for Grizzly T34347

  • Page 1 (For models manufactured since 12/24) COPYRIGHT © FEBRUARY, 2025 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. #KS23441 PRINTED IN CHINA V1.02.25...
  • Page 2 This manual provides critical safety instructions on the proper setup, operation, maintenance, and service of this machine/tool. Save this document, refer to it often, and use it to instruct other operators. Failure to read, understand and follow the instructions in this manual may result in fire or serious personal injury—including amputation, electrocution, or death.
  • Page 3: Table Of Contents

    Table of Contents INTRODUCTION ..........2 SECTION 4: ACCESSORIES ......24 Contact Info ........... 2 SECTION 5: MAINTENANCE ......25 Manual Accuracy ........... 2 Schedule ............25 Identification ........... 3 Cleaning & Protecting ........25 Controls & Components ......... 4 Lubrication ...........
  • Page 4: Introduction

    Use this and other machinery with caution and respect. Failure to do so could result in serious per- sonal injury, damage to equipment, or poor work results. Model T34347 (Mfd. Since 12/24)
  • Page 5: Identification

    Relief Valve (1 of 2) Press Bed Hydraulic Pump Frame Bed Adjustment Holes (1 of 9 Sets) Frame Support Frame Support To reduce your risk of serious injury, read this entire manual BEFORE using machine. Model T34347 (Mfd. Since 12/24)
  • Page 6: Controls & Components

    V-Blocks: Supports round workpieces or workpieces too small to be supported by press bed. Hydraulic Ram: Applies up to 40,000 lbs. (20 U.S. tons) of pressure against workpiece. Figure 1. Main components overview. Model T34347 (Mfd. Since 12/24)
  • Page 7: Machine Data Sheet

    Paint Type/Finish .............................Powder Coated Other Specifications: Country of Origin ................................China Warranty ....................................1 Year Approximate Assembly & Setup Time........................Minutes Serial Number Location ..............................ID Label ISO 9001 Factory .................................. Yes Model T34347 (Mfd. Since 12/24) Model T34347 Page 1 of 1...
  • Page 8: Section 1: Safety

    Never operate under the influence of drugs or injury or blindness from flying particles. Everyday alcohol, when tired, or when distracted. eyeglasses are NOT approved safety glasses. Model T34347 (Mfd. Since 12/24)
  • Page 9 EXPERIENCING DIFFICULTIES. If at any time debris. Make sure they are properly installed, you experience difficulties performing the intend- undamaged, and working correctly BEFORE ed operation, stop using the machine! Contact our operating machine. Technical Support at (570) 546-9663. Model T34347 (Mfd. Since 12/24)
  • Page 10: Additional Safety For Hydraulic Presses

    Use a catch basket and support long or adjustments, and maintenance. awkward workpieces with stands or chains, or have an assistant support a long workpiece dur- ing pressing operations. Model T34347 (Mfd. Since 12/24)
  • Page 11: Additional Safety For Hydraulic Systems

    Contaminated the risk of associated hazards. hydraulic fluid may damage the machine and cause hydraulic system failure that can result in serious injury or death. Model T34347 (Mfd. Since 12/24)
  • Page 12: Section 2: Setup

    IMPORTANT: Save all packaging materials until you are completely satisfied with the machine and have resolved any issues between Grizzly or the shipping agent. You MUST have the original pack- aging to file a freight claim. It is also extremely helpful if you need to return your machine later.
  • Page 13: Inventory

    —Hex Nuts M10-1.5 (Bed Beam) ....4 —Flat Washers 10mm (Bed Beam) .... 4 —Lock Washers 10mm (Bed Beam) ..4 —Hex Bolts M8-1.25 x 16 (Pump) ....3 —Flat Washers 8mm (Pump) ..... 3 -11- Model T34347 (Mfd. Since 12/24)
  • Page 14: Hardware Recognition Chart

    Hardware Recognition Chart USE THIS CHART TO MATCH UP HARDWARE DURING THE INVENTORY AND ASSEMBLY PROCESS. Flat Head Screw -12- Model T34347 (Mfd. Since 12/24)
  • Page 15: Cleanup

    Figure 3. T23692 Orange Power Degreaser. Repeat Steps 2–3 as necessary until clean, then coat all unpainted surfaces with a quality metal protectant to prevent rust. -13- Model T34347 (Mfd. Since 12/24)
  • Page 16: Site Considerations

    Only install in an tenance and service described in this manual. access restricted location. See below for required space allocation. Wall Minimum 30" 27½" 33" Figure 4. Minimum working clearances. -14- Model T34347 (Mfd. Since 12/24)
  • Page 17: Anchoring To Floor

    (1 of 4) Concrete Drilled Hole Figure 5. Popular method for anchoring machinery to a concrete floor. Center Brace Frame Supports Figure 6. Center brace and angle braces attached to frame supports and columns. -15- Model T34347 (Mfd. Since 12/24)
  • Page 18 8mm flat washers (see Figure 10). Figure 8). Pump Tabs Supported Hydraulic Mounting by Cross Beams Pump Bracket Figure 8. Ram mounting plate tabs supported by cross beams. Figure 10. Hydraulic pump mounted to bracket. -16- Model T34347 (Mfd. Since 12/24)
  • Page 19 10mm lock washers, and M10-1.5 hex nuts (1 of 2) (see Figure 12). Figure 13. Press bed on support rods. Bed Spacer Bed Beam (1 of 4) (1 of 2) Figure 12. Assembling press bed. -17- Model T34347 (Mfd. Since 12/24)
  • Page 20: Bleeding Hydraulic System

    — If ram does not move, or movement is erratic, repeat Steps 1–3. — If ram movement is smooth and consistent through its full range of motion, no further action is required. -18- Model T34347 (Mfd. Since 12/24)
  • Page 21: Section 3: Operations

    Read books/magazines or get formal training before beginning any proj- ects. Regardless of the content in this sec- tion, Grizzly Industrial will not be held liable for accidents caused by lack of training. -19- Model T34347 (Mfd. Since 12/24)
  • Page 22: Workpiece Inspection

    V-blocks on press bed. before beginning operations. Note: Place padding around the machine to protect from falling workpieces. Material strength. Verify workpiece material • will fully withstand pressure applied by press during operation. -20- Model T34347 (Mfd. Since 12/24)
  • Page 23: Adjusting Press Bed Height

    With help from an additional person, lift press bed off of support rods and set aside. Note: Lift one side of press bed higher than the opposite side to help clear columns dur- ing removal. -21- Model T34347 (Mfd. Since 12/24)
  • Page 24: Positioning Ram

    Figure 19. Location of hydraulic ram positioning Pump Handle components. Lower ram until it just touches workpiece to verify ram remains stationary and workpiece Pump does not shift during operation. Relief Valve Figure 20. Location of hydraulic system components. -22- Model T34347 (Mfd. Since 12/24)
  • Page 25: Pressing Workpiece

    Page 20 before selecting a workpiece to press. using this machine. The Model T34347 is designed for molding, Pump handle to lower ram until it just touches casting, and forming metal workpieces, and workpiece, as shown in Figure 22.
  • Page 26: Section 4: Accessories

    Includes a To reduce this risk, only install accessories clamping bracket, (2) auxiliary mounts, and a recommended for this machine by Grizzly. threaded post insert for mounting on the dog holes of a workbench.
  • Page 27: Section 5: Maintenance

    Cleaning the Model T34347 is relatively easy. maintenance, or service. Wipe off any dust or debris with a dry cloth. If any oil or grease has built up, use a grease dissolving cleaner to remove it.
  • Page 28: Lubrication

    Lubrication Adding Hydraulic Oil Clean off the ram mounting plate and cross beam The Model T34347 features a sealed hydraulic tracks with a clean rag and apply light machine oil system. Periodically check hydraulic oil level and for smooth operation (see Figure 27). Move ram add oil as needed.
  • Page 29: Changing Hydraulic Oil

    Rotate pump relief valve counterclockwise (see Figure 29), then pump handle several times to bleed air from hydraulic system. Remove hex bolts and flat washers securing hydraulic pump (see Figure 29), then place hydraulic pump in drain pan. -27- Model T34347 (Mfd. Since 12/24)
  • Page 30: Section 6: Service

    1. Machine incorrectly mounted to floor. 1. Tighten mounting hardware (Page 15); adjust or wobbles during shim as needed. operations. 2. Machine component(s) loose. 2. Inspect fasteners for security; tighten with thread- locking fluid if required. -28- Model T34347 (Mfd. Since 12/24)
  • Page 31: Section 7: Hydraulics

    Page 9 for safety information about hydraulics to reduce your risk of injury. Hydraulic System Schematic Hydraulic Ram Pressure Gauge Oil Outlet Valve Relief Valve Globe Valve Manual Pump Oil Inlet Valve Filter -29- Model T34347 (Mfd. Since 12/24)
  • Page 32: Section 8: Parts

    SECTION 8: PARTS We do our best to stock replacement parts when possible, but we cannot guarantee that all parts shown are available for purchase. Call (800) 523-4777 or visit www.grizzly.com/parts to check for availability. Main -30- BUY PARTS ONLINE AT GRIZZLY.COM! Model T34347 (Mfd.
  • Page 33: Main Parts List

    STEEL BALL 7/32" PT34347093 RAM CYLINDER BARREL PT34347047 STEEL BALL 8MM PT34347094 RAM LIMIT RING PT34347048 CONICAL SPRING 0.4 X 6.5 X 12.5 -31- BUY PARTS ONLINE AT GRIZZLY.COM! Model T34347 (Mfd. Since 12/24) Scan QR code to visit our Parts Store.
  • Page 34: Labels & Cosmetics

    Safety labels help reduce the risk of serious injury caused by machine hazards. If any label comes off or becomes unreadable, the owner of this machine MUST replace it in the original location before resuming operations. For replacements, contact (800) 523-4777 or www.grizzly.com. -32- BUY PARTS ONLINE AT GRIZZLY.COM!
  • Page 35: Warranty & Returns

    WARRANTY & 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.

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