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Allied AR Series Operator's Manual

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OPERATOR'S
MANUAL
Construction Products, Inc.
Manual Part Number 100276
June 1, 2003
AR SERIES
HAMMERS
MODELS
AR 48
AR 62

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Summary of Contents for Allied AR Series

  • Page 1 OPERATOR’S MANUAL Construction Products, Inc. Manual Part Number 100276 June 1, 2003 AR SERIES HAMMERS MODELS AR 48 AR 62...
  • Page 2 AR Series Hammers llied Allied Series Hammers AR 48 and AR 62 Document Change Notice Date Page Change 03/26/02 Update Specs 11/20/02 11-2/11-3 Corrected wear specs. 06/01/03 4-1,11-4 Updated Specs & Torque Table...

  • Page 3: Table Of Contents

    5.5 Warranty Protection Summary......5-3 5.6 Allied Product Policies ......5-4 SECTION 6.0 HAMMER APPLICATIONS .
  • Page 4 AR Series Hammers llied Table of Contents Section Page 7.7 Removing the AR Hammer from the Carrier ....7-6 SECTION 8.0 DEMOLITION TOOL ......8-1 8.1 Demolition Tool .
  • Page 5 AR Series Hammers llied Table of Contents Section Page 11.2.2 Daily Checking for Cracks ..... . . 11-2 11.2.3 Checking Wear To The Tool Bushing ....11-2 11.2.4 Checking Impact Face of Piston for Wear .
  • Page 6 AR Series Hammers llied LIST OF FIGURES Figure Page Figure 2-1. Typical Hammer Main Components ....2-1 Figure 2-2. Typical Mini-Excavator Configuration....2-2 Figure 2-3.
  • Page 7 AR Series Hammers llied LIST OF FIGURES Figure Page Figure 9-3. Rocking The Hammer ......9-2 Figure 9-4.

  • Page 8: Section 1.0 Introduction & Scope

    Pay careful attention to all instructions tion for the safe use and maintenance of and follow all governing regulations. Oper- the Allied Hammer Models AR 48 and AR ation or service other than in accordance 62. Read this manual thoroughly before in-...

  • Page 9: Section 2.0 Overview

    AR Series Hammers llied SECTION 2.0 OVERVIEW Cylinder Head Cylinder Body Tool Holder Tool Figure 2-1. Typical Hammer Main Components 06/01/03...

  • Page 10: Introduction

    AR Series Hammers llied 2.1 Introduction The Allied AR Series hammers are classi- fied by carrier application: (1) skid steer loaders (2) mini-excavators. Depending on the hammer model, the AR hammers are compatible with skid steer loaders and mini-excavators from 3,000 lbs.

  • Page 11: Description Of Assembly Groups

    AR Series Hammers llied 2.2 Description of Assembly Groups Cylinder The cylinder is the center section of the Cylinder Head hammer between the cylinder head and the tool holder. These three assemblies The cylinder head is the upper hammer are connected with tension rods.

  • Page 12: Figure 2-6. Typical Piston

    AR Series Hammers llied Piston The piston reciprocates in the cylinder transferring its energy to the demolition tool upon impact. Tool Holder The tool holder holds the demolition tool in place with a retainer pin. A tool bush- ing and impact ring are located in the tool holder.

  • Page 13: Technical Specifications

    AR Series Hammers llied SECTION 4.0 TECHNICAL INFORMATION 4.1 Technical Specifications Technical Specifications Hammer Model AR 48 AR 62 Frequency blows per Range minute 700 - 1500 450 - 1150 Hydraulic Flow 4 - 9 6 - 12 (lpm) (15 - 35)

  • Page 14: Dimensions

    AR Series Hammers llied 4.0 DIMENSIONS The dimensions listed in Table 4-1 below are illustrated in the drawing on the next page.Each dimension is indicated by a letter on the drawing. Table 4-1 lists these letters, each dimension and an explanation of the dimension.

  • Page 15: Figure 4-1. Dimension Drawing - Model Ar 48 Mini-Excavator Configuration

    AR Series Hammers llied Figure 4-1. Dimension Drawing - Model AR 48 Mini-Excavator Configuration (XSF) 06/01/03...
  • Page 16 AR Series Hammers llied The dimensions listed in Table 4-2 below are illustrated in the drawing on the next page.Each dimension is indicated by a letter on the drawing. Table 4-2 lists these letters, each dimension and an explanation of the dimension.
  • Page 17 AR Series Hammers llied Figure 4-2. Dimension Drawing - Model AR 48 2-Position Skid Steer Configuration (SSU-2) 06/01/03...
  • Page 18 AR Series Hammers llied The dimensions listed in Table 4-3 below are illustrated in the drawing on the next page.Each dimension is indicated by a letter on the drawing. Table 4-3 lists these letters, each dimension and an explanation of the dimension.

  • Page 19: Figure 4-3. Dimension Drawing - Model Ar 62 Mini-Excavator Configuration

    AR Series Hammers llied Figure 4-3. Dimension Drawing - Model AR 62 Mini-Excavator Configuration (XSF) 06/01/03...
  • Page 20 AR Series Hammers llied The dimensions listed in Table 4-4 below are illustrated in the drawing on the next page.Each dimension is indicated by a letter on the drawing. Table 4-4 lists these letters, each dimension and an explanation of the dimension.
  • Page 21 AR Series Hammers llied Figure 4-4. Dimension Drawing - Model AR 62 2-Position Skid Steer Configuration (SSU-2) 06/01/03...

  • Page 22: Section 5.0 General Construction Safety

    Allied recommended policy. Any opera- limited to: locating existing underground tional safety program must be tailored by service and utility lines, establishing pe-...

  • Page 23: Initial Operating Precautions

    AR Series Hammers llied · Always wear safety glasses and protec- 5.4.2 Initial Operating Precautions tive clothing when operating or handling the hammer. Some pre-operational checks and sched- · All personnel in the immediate area, in- uled maintenance must be performed more cluding the carrier operator and the as- frequently on a new hammer installation.

  • Page 24: Maintenance Precautions

    5.5 Warranty Protection Summary age could result if the hammer falls. After detaching it from the The Allied hammer requires a minimum of carrier, block the hammer securely. service if properly operated and main- tained by trained personnel. The following steps will help keep the hammer in a safe, efficient operating condition.

  • Page 25: Allied Product Policies

    Allied takes no responsibility for the re- · Conduct regular checks and inspec- sults of actions not recommended in this tions as scheduled in the care and manual and specifically the results of: maintenance schedule.

  • Page 26: Section 6.0 Hammer Applications

    AR Series Hammers llied SECTION 6.0 HAMMER APPLICATIONS The AR Series Hammers are suited for Mining: Descaling in mines; horizontal many types of light duty construction and breaking in tunnels. mining applications. The following exam- Demolition: Concrete road and structural ples are typical and suggest the variety and demolition.

  • Page 27: Section 7.0 Ar Hammer Attachment & Removal

    7.2 Installation Kits Proper mounting hardware must be used to mount the hammer to a mini-excavator or skid steer. Allied installation kits are recommended; if others are used, they must satisfy the minimum requirements listed under Section 7.5 Attaching the AR Hammer.

  • Page 28: Attaching The Ar Hammer To The Carrier

    AR Series Hammers llied 7.5 Attaching the AR Hammer to the WARNING Carrier Keep hands away from bores and 7.5.1 Attaching the AR Hammer to a pin areas when attaching the Mini-Excavator hammer. Do not touch any parts (Refer to Figure 7-1.) when the boom is moving.

  • Page 29: Attaching The Ar Hammer To A Skid Steer

    AR Series Hammers llied 3. Push the stick pin into holes through the hammer, spacer, if required, and the stick. Tap stick pin through holes with a hammer if necessary. Note that a spacer may go between the stick and hammer on both sides.
  • Page 30 AR Series Hammers llied Figure 7-5. Figure 7-3. Figure 7-6. Figure 7-4. When operating the hammer on the skid steer, make sure the hammer is perpendicular to the work. Refer to Figures 7-5 and 7-6. 9. If necessary, change the angle of the Figure 7-7.

  • Page 31: Connecting The Hammer And Hydraulic Lines

    AR Series Hammers llied WARNING Do not run any hydraulic lines through the operator’s cab; they may leak or burst. The hydraulic oil becomes very hot during operation. 5. Check the connections on the hammer hoses. The connecting threads must be undamaged and free of sand or similar foreign bodies.

  • Page 32: Removing The Ar Hammer From The Carrier

    AR Series Hammers llied 7.7 Removing the AR Hammer from the Carrier WARNING All directions and signals must be agreed upon beforehand with the assistant. Keep hands well clear of bores and boom pin areas when re- moving the hydraulic hammer. Do not touch any parts when the boom is moving.

  • Page 33: Section 8.0 Demolition Tool

    SECTION 8.0 DEMOLITION TOOL 8.1 Demolition Tool WARNING Use only genuine Allied demolition tools. The demolition tool shall only be in- Use of other demolition tools may render stalled in the way described. the warranty invalid. Failure to do so could allow the de-...

  • Page 34: Tools That May Be Required

    8.3.2 Tool Installation (Refer to Figure 8-2.) 1. Clean tool holder bore and upper half of tool. 2. Liberally apply Allied Chisel Paste to the tool shank. 3. Position hammer horizontally to allow access from below. 4. Insert demolition tool into bore, turning it until the slot in the tool is in line with the retainer pin hole.

  • Page 35: Tool Removal

    5. Refer to Section 13.0 for storage instruc- tions. 8.4 Lubricating the Demolition Tool (Refer to Figure 8-3.) Allied Chisel Paste is recommended for lu- brication. If Allied Chisel Paste is unavail- able, a high quality, petroleum based, Lubrication Fitting lubricating grease with molybdenum disulfide can be used.

  • Page 36: Section 9.0 Operation

    AR Series Hammers llied SECTION 9.0 OPERATION 9.1 Operator Check List 9.3 Operating the Hammer Before operating the hammer, inspect the CAUTION following: Check the oil temperature often to · Check that hose and tube connections ensure it does not exceed 176 o F are secure.

  • Page 37: Advance From Outer Edge

    AR Series Hammers llied 9.3.3 Angle of Operation WARNING (Refer to Figure 9-2.) Immediately cease operation of the hammer if anyone moves into the danger area, which is greater for hammer operation than for carrier operation due to the risk of flying debris.

  • Page 38: Incorrect Use Of The Hydraulic Hammer

    AR Series Hammers llied 9.4 Incorrect Use of the Hydraulic 9.4.3 Never Pound with the Hammer and Hammer Demolition Tool (Refer to Figure 9-6.) Carefully read through this section. The following paragraphs describe functions that damage the hammer or cause personal injury.

  • Page 39: Special Operation Environments

    With some fluids, decreased flow and/or pressure to the hammer may be necesasry. Contact Allied well before installation for specific parameters for your particular fluid. 9.6 Working in High Outside Temperatures Check the oil temperature frequently to ensure it does not exceed 176 o F [80 o C].

  • Page 40: Section 10.0 Operator Troubleshooting Chart

    AR Series Hammers llied SECTION 10.0 OPERATOR TROUBLESHOOTING CHART WARNING Before removing the hydraulic lines, bleed off all hydraulic pressure. When rectifying faults, observe all safety regulations. Problem Cause Remedy Pressure and return lines crossed. Reverse hoses. Quick disconnects not opening.
  • Page 41 AR Series Hammers llied 10.0 OPERATOR TROUBLESHOOTING CHART (cont’) Problem Cause Remedy Relief valve set too low. Reset pressure, check dynami- cally. Damaged relief cartridge or seals. Inspect-repair or replace. Insufficient pump delivery (low flow Check pump with flow meter Operating pressure is too low.

  • Page 42: Section 11.0 Care And Maintenance

    AR Series Hammers llied SECTION 11.0 CARE AND MAINTENANCE 11.1 Care and Maintenance Schedule Every Two Weeks During Shift · Check tool bushing for wear. · Lubricate demolition tool every two · Check demolition tool for wear. hours or anytime the tool appears dry.

  • Page 43: Care And Maintenance Instructions

    Figure 11-2. Check Wear To Tool Bushing (Refer to Figures 11-1 and 11-2.) Tool Bushing It is recommended that the hammer be taken to an Allied distributor ser- Retainer Pin vice department to make this repair. The tool bushing must be replaced by a ser- vice technician in a suitably equipped workshop.

  • Page 44: Checking Wear To The Demolition Tool

    AR Series Hammers llied 11.2.5 Checking Wear to the Demolition Tool (Refer to Figure 11-3.) Check the demolition tool diameter each time it is changed or every 80 operating hours. If the shank diameter of the demoli- tion tool has worn to less than the dimen- sion listed in the following table, the demolition tool must be replaced.
  • Page 45 AR Series Hammers llied This Page Intentionally eft Bla 11-4 11/20/02...

  • Page 46: Check Tightness Of Threaded Connections

    Loose connections shall be tightened to the specified torque. Con- nection locations for each hammer model covered in this manual are shown in Figures 11-4 and 11-5; torques are given in the correcsponding Torque Tables. Torque Table for Allied Hammer Models AR 48 and AR 62 Connection Item...
  • Page 47 AR Series Hammers llied Figure 11-4. Torque Items on AR 48 and AR 62 Hammers 06/01/03 11-6...

  • Page 48: Checking The Side Plates

    The side plates shall be checked at least 4. Firmly insert test gauge hose into fill twice a month for cracks or heavy wear. Contact Allied for recommended repair or valve. Refer to Figure 11-4. rebuild procedures. 5. Read the pressure.

  • Page 49: Refilling The Precharge Chamber

    AR Series Hammers llied 3. Connect one nozzle of the filling hose to 11.2.9 Refilling the Precharge Chamber the nitrogen regulator valve. (Refer to Figure 11-7.) 4. Back out the nitrogen regulator pres- sure adjustment. 5. Open valve on nitrogen cylinder.

  • Page 50: Checking And Cleaning The Hydraulic Oil Filter

    AR Series Hammers llied 13. Press free nozzle of test hose into fill valve G and read pressure. 14. Make any adjustments necessary so that the correct pressure is set. 15. Close fill valve G with screw plug. 16. Remove nitrogen regulator from cylin- der and recap.

  • Page 51: Section 12.0 Lifting & Transport

    AR Series Hammers llied SECTION 12.0 LIFTING & TRANSPORT 5. Adequately stabilize and secure the If the hammer is to be transported inde- pendently of the carrier: hammer for transport. 1. Remove all loose debris from hammer. If the hammer is transported while in- stalled on the carrier: 2.

  • Page 52: Section 13.0 Storage Of The Hammer

    AR Series Hammers llied SECTION 13.0 STORAGE OF THE HAMMER 5. Block the piston with a rod or tube so it 13.1 Storing Hammer on the Carrier cannot return to the down or out posi- The hammer shall be stored in the vertical tion.
  • Page 53 AR Series Hammers llied CAUTION Secure the hammer so that it can- not fall over. 13. If outside, cover hammer with a water- proof tarp. 13-2 06/01/03...

This manual is also suitable for:

Ar 48Ar 62

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