DI-ACRO - Service Manuals
30 manuals available for download
DI-ACRO has manufactured precision sheet metal working equipment for decades, earning trust across industrial and fabrication shops worldwide. Our comprehensive collection of technical documentation includes original service manuals, repair guides, operating instructions, and detailed parts lists—all available as instant PDF downloads. Whether you need a workshop manual for routine maintenance, a troubleshooting guide to resolve equipment issues, or an owner's manual to optimize machine performance, DI-ACRO documentation provides the authoritative specifications and procedures required for safe, efficient operation. Access the complete resource library for your DI-ACRO machinery today.
12 Ton Hydra Power Press Brake Operating Manual
Operating and maintenance guide for the DI-ACRO 12 Ton Hydra Power Press Brake, covering setup, operation, and troubleshooting. Details stroke adjustment using the calibrated selector mechanism to optimize die opening and maximize production throughput. Includes complete wiring instructions for the 3 HP hydraulic pump motor (1200 RPM, 3 phase, 60 cycle), pump rotation verification procedures, and electrical circuit connection diagrams. Explains how proper stroke adjustment improves performance in hole punching and forming operations. Essential reference for operators and technicians performing routine maintenance or adjusting machine parameters.
25 & 35-Ton Press Brake Service Manual
Operating instructions and complete parts list for the Di-Acro Hydra-Power Press Brake in 25 and 35-ton models. This service manual covers installation, operation, and maintenance procedures essential for proper equipment setup and ongoing upkeep. Features detailed parts breakdown with numbered components throughout, hydraulic circuit diagrams specific to each model, and step-by-step operation sequence. Covers die setup procedures, ram adjustment, dual speed cycle configuration, stroke adjustment, relief valve tuning, and lubrication specifications. Includes troubleshooting guidance for common issues and dedicated power pack service information to keep the machine running reliably.
Di-Acro #2 Tab Notcher Instruction Manual
Instruction manual for the Di-Acro #2 Tab Notcher, a specialized metal fabrication tool for precision tab notching operations. This comprehensive workshop manual covers essential safety instructions, step-by-step setup procedures for adjusting tab sizes, technical specifications, routine maintenance requirements, and a detailed parts list with exploded diagrams. Includes complete stand assembly instructions, blade adjustment procedures, illustrated component identification, and warranty information. An indispensable service guide for operators and technicians maintaining or troubleshooting this metalworking equipment.
Di-Acro #24 Finger Brake Instruction Manual
Instruction manual for the Di-Acro #24 Finger Brake, a sheet metal bending machine. This workshop manual covers essential operation and maintenance, including safety instructions, shaft lubrication procedures, angle adjustment techniques for precise bends, and detailed guidance on the micrometer back gauge for consistent depth control. The manual provides a complete parts list with component illustrations for reference during service and repairs. Assembly instructions for the optional stand are included for users requiring additional machine support. Safety guidance addresses proper machine mounting to prevent injury and equipment damage. Warranty terms and conditions are outlined for your protection.
Di-Acro #24 Hand Shear Instruction Manual
Instruction manual for the Di-Acro #24 Hand Shear, a shop-floor metal fabrication tool designed for high-capacity shearing work. This manual covers setup, operation, and maintenance of the 24-inch shear with 16 gauge mild steel cutting capacity. You'll find detailed safety guidelines, step-by-step operating procedures, and a comprehensive parts list for key assemblies including the hold-down mechanism, quick-set gauge system, and stand. Technical specifications detail the 609.6mm shearing width and 304.5mm back gauge adjustment range. Sections on micrometer gauge installation and hold-down bar assembly walk through critical setup tasks, ensuring proper alignment and safe operation. Also includes stand assembly instructions. Essential reference for fabricators setting up and maintaining this workhorse shear for day-to-day sheet metal work.
DI-ACRO #36 Finger Brake Instruction Manual
Instruction manual for the DI-ACRO #36 Finger Brake, a precision sheet metal bending tool. Covers safety instructions, angle adjustment procedures, and detailed guidance on securing the brake to a work bench or stand. Includes a complete parts list with diagrams identifying each component, technical information on the micrometer back gauge for accurate bend measurement, and optional stand specifications. Also contains warranty details and caution notices to ensure proper installation and safe operation of the equipment.
Di-Acro #6 & #8 Power Bender Instruction Manual
Complete instruction manual for Di-Acro Power Bender models No. 6 and No. 8, covering installation, operation, and maintenance of these industrial tube and bar bending machines. The manual details installation procedures, operating instructions, lubrication schedules, control system descriptions, and setup for optimal bending performance. Assembly guidance covers the work table, hydraulic cylinder, base frame, interchangeable tooling heads, material hanger, pressure roller, nose holder, and gauge assembly. Hydraulic and electrical schematics are included along with warranty information. Model No. 6 is rated for tubing up to 1.125 inches in diameter and round bar stock up to 0.563 inches; Model No. 8 handles round bar up to 1 inch diameter and tubing up to 1.500 inches. An essential reference for operators and technicians responsible for setup, troubleshooting, and routine maintenance.
Di-Acro 17 Ton Press Brake Operating Manual
Operating manual and parts reference for the Di-Acro 17 Ton Series Hydra-Power Press Brake, designed for industrial metal-working shops. Details installation procedures, pre-operation checks, and complete hydraulic system diagrams covering both single and dual pump setups. Walks through the full sequence of operation from startup through shutdown, with dedicated sections on die mounting, ram positioning, dual-speed cycle configuration, stroke length adjustment, and relief valve calibration. Extensive troubleshooting guidance addresses continuous control operation, ram stalling conditions, fast and slow cycle failures, foot pedal control faults, and speed-shift irregularities. Includes complete parts lists for the Vickers Power Pack, rotary hydraulic cylinders, main press brake assemblies, and the Bijur central lubrication system. Essential reference for operators and maintenance technicians responsible for setup, adjustment, and routine service. Table of Contents: - Installation and pre-operation information - Model 14-48-1 Connection diagram - Model 14-48-1 Line diagram - Single pump hydraulic diagram - Sequence of operation - Model 14-48-2 Connection diagram - Model 14-48-2 Line diagram - Dual pump hydraulic diagram - Sequence of operation - Pressure requirement chart - Set up procedure - Installing dies - Set up procedure - Ram adjustment - Set up procedure - Dual speed cycle - Set up procedure - Stroke adjustment - Set up procedure - Front-operated back gauge - Relief valve adjustment - Checking operating pressure - Reversing the direction of the ram - Lubrication - Accessories — Central lubricating system - Accessories — Let-up control - Accessories — Continuous operating control - Trouble shooting — Continuous operating control failure - Trouble shooting — Ram stalling - Trouble shooting — Fast and slow cycle failure - Trouble shooting — Failure of the foot control - Trouble shooting — Failure to shift speeds - Trouble shooting — Uneven stroke - Trouble shooting — Power Pack service chart - Vickers Power Pack parts list - Rotary Hydraulic Cylinder Parts - Press Brake parts list - Bijur - Central Lubricating Parts
Di-Acro 25 & 35-Ton Press Brake Service Manual
Operating instructions and comprehensive parts list for the Di-Acro 25 and 35-Ton Hydra-Power Press Brakes. This service manual covers installation setup, operating procedures, and maintenance schedules with connection diagrams and hydraulic circuit schematics. Details the full sequence of operation, pressure specifications, and configuration procedures including die installation, ram adjustment, dual-speed cycle tuning, and stroke length settings. Explains relief valve adjustment, operating pressure verification, ram direction reversal, and proper lubrication protocols. Includes guidance on optional accessories: central lubricating system, let-up control, and continuous operating control. A troubleshooting section addresses common operational issues. Complete parts breakdown with all identified part numbers and Bijur layout diagram for reference during repair or maintenance work. An essential technical resource for operators and service technicians maintaining these industrial press brakes. Table of Contents: - Installation and pre-operation information - Connection diagram, 25 & 35-Ton Model - Line Diagram, 25 & 35-Ton Model - Hydraulic Circuit diagram, 25-Ton Model - Sequence of operation, 25-Ton Model - Hydraulic Circuit diagram, 35-Ton Model - Sequence of operation, 35-Ton Model - Pressure requirement chart - Setup Procedures: - Installing Dies - Ram Adjustment - Dual Speed Cycle - Dual Speed Cycle (Continued) - Stroke Adjustment - Front Operated Back Gauge - Adjustment of relief valve - Checking operating pressure - Reversing direction of ram - Lubrication - Accessories: - Central Lubricating System - Let-up Control - Continuous Operating Control - Trouble Shooting: - Continuous Operating Control - Ram Stalling - Fast and Slow Cycle Failure - Failure of Foot Control - Rotary Cylinders - Uneven Stroke - Power Pack Service Chart - Power Pack - 25 & 35-Ton Press Brake Bijur Layout - 25 & 35-Ton Press Brake Parts List
Di-Acro 36-K Shear Operating Instructions
Operating instructions for the Di-Acro Model 36-K foot shear, a manual metal-cutting machine from Di-Acro (Houdaille Industries, Lake City, Minnesota). This workshop manual covers machine setup including leveling and securing, then progresses through adjustment procedures essential to safe operation: front and rear material gauges, holddown bar tension, blade clearance, return spring preload, and foot treadle response. Dedicated sections address blade maintenance—sharpening technique and proper removal/installation—plus ram slide clearance and squaring gauge calibration. Includes practical operating tips accumulated from field use and a complete parts list for ordering replacement components. An essential reference for operators and maintenance technicians working with this shear.
Di-Acro Bender No. 1A Parts List
Complete parts list for the Di-Acro Bender No. 1A sheet metal working machine (Assembly 110-8000800). This comprehensive parts catalog details all 35 numbered components with their corresponding part numbers and quantities needed for assembly and maintenance. Covers the base structure, handle arm assembly, nose holder, forming nose, bend locating gauges, retaining rings, fasteners, shims, and mounting hardware. Includes a detailed exploded view diagram that clearly shows component positions and how each part relates to the overall assembly. Essential reference for anyone performing repairs, rebuilding, or ordering replacement parts for this classic industrial bender.
Di-Acro Bender No. 1A Parts List
Complete parts list for the Di-Acro Bender No. 1A (Assembly 110-8000800). This service documentation details all 35 components required for the sheet metal bender, with precise part numbers and quantities for each assembly stage. The exploded diagram clearly illustrates how the base, handle arm assembly, nose holder, forming nose, and retaining components fit together, making it essential for repair, maintenance, or parts replacement. Ideal for workshop technicians and operators who need to source replacement parts or understand the bender's full mechanical configuration. PDF download provides instant access to assembly schematics and component specifications.
DI-ACRO Brakes and Shears Operating Instructions
Operating instructions for DI-ACRO Brakes and Shears precision metalworking machines. This workshop manual covers the Die-Less Duplicating system and its three core operations: precision shearing to size, forming non-stock size channels, and bending to desired radii. Includes practical working examples for fabricating special shapes and composite parts using die-free duplicating capabilities, with detailed engineering service information and real-world applications suited to both experimental prototyping and production runs.
Di-Acro Horn Punch Press Operating Instructions
Operating instructions for the Di-Acro hand-operated punch press, covering models No. 1 (on stand) and No. 2. The press features a 4-ton rated capacity, 7/8 inch throat depth, adjustable squaring gauges, and quick-change die holder. Horn sizes range from 2 to 2 7/8 inch diameter with various gauge capacities. Factory price is $405.00, which includes table attachment and basic dies. This workshop manual provides detailed setup and operation procedures for metalworking shops and tool rooms, covering both flat-stock punching and odd-shape horn pressing operations using the Di-Acro press system.
Di-Acro Model 18 Power Turret Punch Press Manual
Comprehensive operating manual and parts list for the Di-Acro Model 18 Station Power Turret Punch Press. This workshop manual covers installation setup, turret indexing procedures, and removal and installation techniques for punches and dies. Includes detailed alignment procedures essential for accurate tool setup and operation. Step-by-step operational guidelines are reinforced throughout with photographic illustrations that clarify each adjustment and assembly step. Whether you're setting up the press for the first time or performing routine maintenance, this service manual provides the technical reference needed for reliable operation and troubleshooting of this industrial punch press.
Di-Acro No. 1 Bender Parts List
Complete parts list and exploded diagram for the Di-Acro No. 1 Bender, a precision sheet metal bending tool widely used in fabrication shops. The document provides 39 numbered component references with a detailed parts table showing part numbers, quantities, and descriptions for each assembly (Reference 100-8000800). Use this parts list to source replacement components, verify part compatibility, or understand the full mechanical assembly of this classic metalworking equipment for maintenance and repair work.
Di-Acro No. 1 Bender Parts List
Complete parts list for the Di-Acro No. 1 Bender, a precision sheet metal bending tool widely used in fabrication shops and tool rooms. This document provides detailed component identification and assembly diagrams for the Quik-Lok assembly, Extension Handle assembly, and Stand assembly, with all relevant part numbers and quantities needed for maintenance, repair, and reassembly. Essential reference for operators performing equipment maintenance or sourcing replacement components.
Di-Acro No. 48 Power Shear Service Manual
Operating instructions and comprehensive parts list for the Di-Acro Power Shear No. 48, covering all essential setup and maintenance procedures. The manual walks you through leveling and securing the machine, interpreting wiring diagrams for both standard and automatic tripping configurations, and mastering the operating controls. You'll find detailed guidance on material gauge adjustments, holddown bar setup, blade sharpening and clearance specifications, brake and clutch inspection, ram slide clearance, and extension squaring gauge use. Includes troubleshooting advice and routine maintenance tips to keep the shear operating reliably. This service manual and repair guide provides the technical reference needed for both initial commissioning and ongoing workshop maintenance.
Di-Acro Press Brake Operating Instructions
Operating instructions and parts list for the DI-ACRO hand-operated press brake, a compact and versatile metal-forming machine for workshop use. Covers mounting procedures, proper lubrication of the ram guides and moving components using medium-weight machine oil, and routine maintenance practices to keep the machine in reliable working order. Includes a practical photograph showing the press brake mounted on a work table during operation, providing clear reference for correct setup and use.
Di-Acro Rod Parters Service Manual
Complete service manual for Di-Acro Rod Parters covering both hand-operated and power-driven models. This workshop manual details everything needed to operate, maintain, and troubleshoot these metalworking tools, including setup procedures, wiring diagrams for powered units, adjustment of brakes and clutches, sharpening and removal of cutting heads, proper lubrication schedules, and Material Length and Speed-Matic gauge installation. Troubleshooting guidance addresses common clutch assembly issues and binding pin problems. The manual includes a comprehensive parts list and technical illustrations alongside operational photographs to clarify procedures for both standard and power models.
Di-Acro Shear Table Hold Down Bar Assembly Instructions
Di-Acro shear table hold down bar assembly and mounting instructions for the complete installation and adjustment of your shear table apparatus. This workshop manual provides step-by-step assembly procedures for mounting the shear table C onto the base casting, installing the hold down bar assembly with all associated components, and securing the hold down trunnions in their proper positions. You'll find detailed guidance on bolt insertion sequences, correct front edge positioning of the hold down bar, vertical clearance adjustment methods, and precise hold down spring bolt regulation to ensure reliable operation. Includes specifications for all fasteners and components referenced throughout assembly, from major components like trunnions A and springs E to individual bolts H, M, F, D, K, and L. Essential reference material for technicians and operators performing initial setup or maintenance on Di-Acro shear equipment.
Di-Acro Shears Operating Instructions
Operating instructions and assembly guide for Di-Acro hand-operated shears in 6", 12", and 24" models. This workshop manual covers assembly procedures, slitting and notching operations, blade adjustment techniques, and mounting instructions for hold-down bar assemblies on shear models No. 3 and No. 4. Features detailed diagrams illustrating blade mounting bolts, stop bolts, blade support mechanisms, and proper gauge adjustment for consistent sheet metal shearing results.
Model 18E Punch Press Operating Manual
Operating and maintenance manual for the Di-Acro Model 18E stylus-operated turret punch press. This workshop manual covers complete installation procedures, step-by-step operation, and scheduled maintenance routines essential for reliable machine performance. Detailed sections address punch and die removal and installation, stripper setup, flywheel belt tensioning, and turret linkage adjustment. Includes comprehensive information on electric clutch operation, the machine's lubrication schedule with specific intervals, and Watts air lubricator upkeep. Troubleshooting guidance helps diagnose and resolve common operational issues. The manual provides connection schematics, pneumatic system diagrams, and a complete parts list with breakdown illustrations, enabling users to identify and source replacement components with confidence.
Model 36 Hand Shear Operator's Manual
Operator's manual for the Di-Acro Model 36 hand shear, a comprehensive workshop reference covering setup, calibration, and routine maintenance of this sheet metal cutting tool. Details installation procedures, micrometer gauge synchronization, holddown bar and slitting adjustments, and step-by-step blade removal for both upper and lower cutting edges. Includes full gauge adjustment protocols—side squaring gauge, protractor gauge, and micrometer back gauge—essential for maintaining cutting accuracy in production work.
No. 2 Di-Acro Bender Parts List
Complete parts list for the No. 2 Di-Acro Bender (Assembly 120-8000800), an essential reference for technicians rebuilding, servicing, or maintaining this classic sheet metal bending tool. The list catalogs all 46 numbered components with part numbers, descriptions, and required quantities for full reassembly. Key structural and functional parts include the cast base, handle arm assembly, identification nameplate, mounting hardware, needle bearing, precision shims for adjustment, nose holder assembly, bend locating gauge subassemblies, retaining rings, and the complete fastener schedule. An exploded technical drawing clearly illustrates how each component fits within the overall assembly configuration, making this parts list indispensable for anyone performing disassembly, restoration, or component replacement on this sheet metal shop equipment.
No. 4 Di-Acro Bender Parts List
Complete parts list for the No. 4 Di-Acro Bender with detailed exploded assembly diagram. The documentation identifies 73 numbered components: base frame elements, roller chains, drive screws, handle assemblies, needle bearings, locking pins, gauges, and fasteners. The exploded diagram shows the precise spatial relationship and placement of each part, making it essential for teardown, maintenance, and reassembly of this metal bending equipment.
No. 5 Power Bender Operating Instructions
Operating instructions and parts list for the Di-Acro No. 5 Series Hydra-Power Bender, a manual covering setup, operation, and maintenance of this industrial hydraulic sheet metal bending press. Includes pre-operation checks, material stand configuration, step-by-step bending procedures, techniques for maximum bend capacity, adjustment of bending stops, relief valve operation and tuning, hydraulic system sequence, troubleshooting guidance for bending stop issues and power pack malfunctions, and Vickers service parts cross-reference. Essential workshop manual for operators and maintenance technicians working with this heavy-duty bending equipment.
Parts List for No. 3 Di-Acro Bender
Complete parts list for the Di-Acro No. 3 Bender (Assembly 130-8000800), an essential reference for maintenance, repair, and parts replacement. The list includes all 46 numbered components with their corresponding part numbers, quantities required, and detailed descriptions. Features a comprehensive exploded technical drawing that clearly shows the spatial arrangement and assembly structure of each part, including gears, springs, pins, fasteners, and metal-working components. This parts list serves as a critical tool for identifying exact replacement parts, understanding the bender's mechanical assembly, and performing workshop repairs or restoration work on this classic sheet metal fabrication tool.
SLO-SYN Numerical Tape Control Operator's Manual
Operator's manual for the DI-ACRO SLO-SYN Numerical Tape Control system, a two- or three-axis positioner designed for precision positioning tasks. The guide covers complete installation procedures, detailed operator control functions, and tape operation with supplied test tapes for system verification. Includes comprehensive programming procedures, tape format specifications, sample programs ready for reference, and systematic troubleshooting steps. The system employs SLO-SYN stepper motors delivering 1.3° increments (200 steps per revolution) and operates a tape reader at 40 characters per second, supporting both EIA and ASCII code formats. This workshop manual provides everything needed to set up, operate, and maintain the tape-controlled positioning system, whether using automated tape input or manual control modes. Table of Contents: - SECTION 1 INTRODUCTION - Numerical Control - System Description - System Capabilities - SECTION 2 INSTALLATION - Mounting Drive Motors - Wiring - Wiring Diagram - SECTION 3 OPERATION - Description of Operator's Controls - Tape Operation - Operation with Test Tapes - SECTION 4 PROGRAMMING - Procedure - Tape Format - Preparing Sample Programs - Tape Preparation Service - SECTION 5 SERVICE - Maintenance - System Components - Trouble Shooting - Replacement Parts
Turret Punch Presses Operating Instructions
Operating instructions for Di-Acro turret punch presses covering 12 and 18 station models. This workshop manual details setup and daily operation, including installing and calibrating micro-twin gauges, identifying lubrication points for routine maintenance, ram travel adjustment, and turret indexing procedures. Instructions cover removing and installing punch holders, punches, dies, and stripper assemblies. Essential reference for operators and maintenance technicians working with these industrial stamping machines.