Hyd-Mech S-20H Operations & Maintenance Manua
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Hyd-Mech S-20H Operations & Maintenance Manua

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OPERATIONS &
MAINTENANCE
M A N U A L
I N
B A N D S A W
T E C H N O L O G Y

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  • Page 1 OPERATIONS & MAINTENANCE M A N U A L B A N D S A W T E C H N O L O G Y...
  • Page 2 S-20H 2002, rev b, 393320 THANK YOU, On behalf of everyone at HYD . MECH , I would like to thank and congratulate you on your decision to purchase a HYD . MECH band saw. Your new machine is now ready to play a key role in increasing the efficiency of your operation, helping you to reduce cutting costs while boosting quality and productivity.
  • Page 3 THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 4: Table Of Contents

    S20H Series II Table of Contents INSTALLATION and SPECIFICATIONS SAFETY PRECAUTIONS ............................1 SPECIFICATIONS ..............................2 LAYOUT DRAWINGS ............................... 3 LIFTING THE S-20 SERIES II ..........................5 WRAPPED FOR SHIPPING ............................ 5 REMOVING THE SAW FROM SHIPPING SKID ...................... 5 CUTTING FLUID ..............................
  • Page 5 HYDRAULIC SYSTEM HYDRAULIC COMPONENTS ..........................29 HYDRAULIC CYLINDER ASSEMBLIES ........................ 30 HYDRAULIC SERVICE KITS ..........................30 S22H HYDRAULIC SCHEMATIC ..........................31 S22H PLUMBING DIAGRAM ..........................32 MECHANICAL ASSEMBLIES GUIDE ARM & CARBIDE ASSEMBLIES ......................33 BLADE DRIVE ASSEMBLY ........................... 34 3 HORSE POWER DRIVE OPTION ........................
  • Page 6 SECTION 1 INSTALLATION...

  • Page 8: Safety Precautions

    SPECIFICATIONS and INSTALLATION Upon delivery of your new S-20 Series II saw, it is imperative that a thorough inspection be undertaken to check for any damage that could have been sustained during shipping. Special attention should be paid to the electrical and hydraulic systems to check for damaged cords, hoses and fluid leaks.

  • Page 9: Specifications

    SPECIFICATIONS IMPERIAL DIMENSIONS METRIC DIMENSIONS Cutting Capacity rectangular 13" High x 18" Wide 325mm x 450mm round 12" dia @ 45 deg 300mm dia @ 45 deg Blade length 13' 6" 4115mm width 1 " (1.075" including teeth) 25mm (27.3mm including teeth) thickness .032"...

  • Page 10: Layout Drawings

    LAYOUT DRAWINGS Pg 3 S22Hce 2002a...
  • Page 11 Pg 4 S22Hna 2002a...

  • Page 12: Lifting The S-20 Series Ii

    LIFTING THE S-20 SERIES II The S-20 is shipped with a shipping pallet attached to the saw. When lifting the pallet with a forklift truck make sure that the load is firmly balanced. The following photo shows a lift truck lifting the saw and pallet from the correct side.

  • Page 13: Cutting Fluid

    Tank & Pump Coolant components (Shown with tank removed). HYDRAULIC OIL The S-20H option is supplied with Texaco Rando HD46 hydraulic oil. Substitutes should be a #46 hydraulic oil. The power pack and tank is mounted on the inside of the door found at the idler side of the infeed table.

  • Page 14: Power Wiring Connections

    POWER CABLE ROUTING The main power cable can be routed up through the bottom of the head frame to the access holes in the end of the control panel. Cable liquide tight reliefs should be used to secure the cable into the control panel to ensure there is no movement of the cable when the machine is operated.
  • Page 15 THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 16: Operating Instructions

    SECTION 2 OPERATING INSTRUCTIONS...

  • Page 18: Operator Control Panel

    OPERATING INSTRUCTIONS OPERATOR CONTROL PANEL The operator control panel provides the operator with all the controls necessary to operate the saw after the cutting angle has been set and the stock has been loaded and secured. All of the electrical functions are operated from the control panel.

  • Page 19: Blade Basics

    BLADE BASICS Technology is rapidly changing all aspects of production machining. Metal cutoff is no exception. The advances made in the bandsaw blade industry have definitely brought down the cost per cut, despite the three fold higher price of the newer technology blades. Variable pitch (following page), bi-metal blades (like the 3/4 or 4/6 bi- metal blade supplied with the machine) last much longer, cut faster, and more accurately than the conventional carbon steel blades.

  • Page 20: Determine Optimum Blade Pitch

    ( in SFM ) ( in SFM ) ( in SFM ) ( in SFM ) ( in SFM ) 140, 220 140, 220 140, 220 140, 220 140, 220 140, 220 140, 220 140, 220 140, 220 140, 220 90, 140 90, 140 90, 140...

  • Page 21: Blade Speed Selection

    BLADE SPEED SELECTION The blade speed of the S-20 can be changed between four different speeds. The speed is determined by the ratio of the pulleys that drive the V belt. The four pulley sets give the optional speeds of APPROXIMATE BLADE SPEED 90, 140, 220, and 310 Surface Feet Per Minute.

  • Page 22: Guide Arm Positioning

    GUIDE ARM POSITIONING The S-20 guide arms are adjustable to accommodate varying material widths. The guide arms should be adjusted as close to the material width as possible while still allowing the material to pass between them. This process of matching the guide arm spacing to the material size is important to optimize blade life.

  • Page 23: Optional Controls

    OPTIONAL CONTROLS WORK STOP The work stop is used to set a consistent cut length from 0 to 40”. The photo shows the stop at a short length which is adjusted with one or both of the locking handles. The bar with the actual stop attached to it can be removed, turned 180 end for end, and inserted for longer lengths.

  • Page 24: Maintenance And Troubleshooting

    SECTION 3 MAINTENANCE AND TROUBLE SHOOTING...
  • Page 26 MAINTENANCE TROUBLE SHOOTING · Switch off before beginning work. The emergency switch, which is used to turn the hydraulics off, should not be the only means of shutting the power off before cleaning or performing maintenance to the · machine. The main power disconnect should be switched off and locked. When performing maintenance on the electrical system the main disconnect, which ·...

  • Page 27: Blade Changing Procedure

    BLADE CHANGING PROCEDURE NOTE: Wear gloves for protection from the sharp blade. 1. Open the Idler Wheel and Drive Wheel doors and swing the head to 45 as this will make it easier to grip the blade closer to both wheels. Loosen the Blade Tensioner by turning counter clockwise.

  • Page 28: Blade Tracking Adjustment

    BLADE CHANGING PROCEDURE, CONTINUED 9A. As the blade tracking will stay fairly constant, it should be checked occasionally as shown on the drive wheel tracking photo below. The blade teeth should protrude from .185" to .200" from the face of the blade wheels.

  • Page 29: Blade Brush Adjustment

    BLADE GUIDE ADJUSTMENT At the bottom of the guide arms are the carbide blade guide assemblies, the photo below shows the carbide locking handle. These assemblies will need to be adjusted occasionally as the carbide pads become worn. To adjust properly, follow this simple procedure. Loosen the hex nut on the locking handle with a 9/16 wrench and turn the handle clockwise until it rests against the coolant tap on the idler guide arm or the roll pin on the drive guide arm.

  • Page 30: Head Down Limit Switch

    HEAD DOWN LIMIT SWITCH The Head down limit switch operates to cut power to the blade motor and the coolant pump motor when the Head has descended to the bottom of its travel. The Head is adjusted so that the blade will descend slightly past the level of the vise wear strips.

  • Page 31: Lubrication

    S -20 Series II are primarily the saw pivot points which are equipped with grease fittings, and metal to metal surfaces that require lubrication to prevent wear and seizure. NOTE: Hyd-Mech recommends Monthly lubrication. Head horizontal pivot fitting. Swivel Pivot pin fitting under dome cap.

  • Page 32: Trouble Shooting Guide

    TROUBLE SHOOTING GUIDE PROBLEM PROBLEM CAUSE 1. Cutting out of square vertically. - Carbide guide adjustment incorrect (adjust). - Feed rate excessive (reduce). - Blade worn (replace). - Guide arms too far apart. - Blade Pitch Incorrect . 2. Cutting out of square horizontally. - Angle not set correctly(adjust).

  • Page 33: Service Record & Notes

    SERVICE RECORD & NOTES DATE SERVICED BY COMMENTS Pg 22 S22Hna 2002a...

  • Page 34: Electrical System

    SECTION 4 ELECTRICAL SYSTEM...

  • Page 36: Control Panel & Components

    ELECTRICAL SYSTEM CONTROL PANEL & COMPONENTS The S-20 Series II bandsaw, with the "H" option, has been designed to provide the operator with a simple to use interface that controls all saw functions. The electrical system of the S-20 Series II with the "H" option provides power to the blade drive motor at the required voltage for the motor.

  • Page 37: Electrical Components Lists

    ELECTRICAL COMPONENTS LISTS LIST OF S22H_S23H ELECTRICAL COMPONENTS Item Code as on Component Description Part Number S22H Schematic Manufacturer 1PB- Emergency Stop Red mushroom head, spring return push button. ZB2 BC4 Telemecanique Push Button Mounting base with 1 N/C contact block. ZB2 BZ102 Telemecanique 2PB-Hydraulic Start...
  • Page 38 This machine has been built to the customers rquirements, however, if any voltage changes are required, refer to the information on the following chart and then consult Hyd-Mech service department before implementing any changes. S22H POWER COMPONENTS for SPECIFIC VOLTAGES Description &...
  • Page 39 ELECTRICAL SCHEMATIC & WIRING DIAGRAMS...
  • Page 41 ELECTRICAL SCHEMATIC & WIRING DIAGRAMS...
  • Page 43 THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 44: Hydraulic System

    SECTION 5 HYDRAULIC SYSTEM...

  • Page 46: Hydraulic Components

    HYDRAULIC SYSTEM HYDRAULIC COMPONENTS The S-20/S-23 optional hydraulic system does not require any special work on a new machine before its start- up. The hydraulic tank is filled with Texaco Rando HD46 hydraulic oil and all machine functions have been tested at the factory to ensure proper operation upon initial start-up.

  • Page 47: Hydraulic Service Kits

    CYLINDER ASSEMBLIES HYDRAULIC SERVICE KITS The S20 with the hydraulic option uses two cylinders, a vise cylinder (S22A-C3-00H) and a head cylinder (S22A-C4-00). Both may be serviced with the kit listed. The hydraulic valve assembly is not usually serviced in the field with the exception of replacing knobs and levers, etc.

  • Page 48: S22H Hydraulic Schematic

    S22H HYDRAULIC SCHEMATIC Pg 31 S22H 2002b...

  • Page 49: S22H Plumbing Diagram

    S22H PLUMBING DIAGRAM Pg 32 S22H 2002b...

  • Page 50: Mechanical Assemblies

    SECTION 6 MECHANICAL ASSEMBLIES...

  • Page 52: Guide Arm & Carbide Assemblies

    MECHANICAL ASSEMBLIES GUIDE ARM & CARBIDE ASSEMBLIES ITEM S22 PART NUMBER DESCRIPTION S22-45-01A GUIDE ARM BAR A1-.375 X.75 SOCKET HEAD CAP SCREW .25X1 ROLL PIN S22-45-02A IDLER ARM S22-45-06 GUIDE ARM LOCKING HANDLE S22-45-05A CLAMPING PAD S22-45-04 COOLANT NOZZLE COVER SB1-.19X.5 SOCKET BUTTON HEAD SCREW S22-45-08...

  • Page 53: Blade Drive Assembly

    BLADE DRIVE ASSEMBLY Pg 34 S22H 2002a...
  • Page 54 BLADE DRIVE ASSEMBLY, PARTS LIST ITEM S-22 PART NUMBER DESCRIPTION S22-41-01C MOTOR MOUNTING PLATE 145TC FRAME 2 HP, 1800RPM, SPECIFY VOLTAGE B1-.312X.75 HEX HEAD CAP SCREW .312 LOC LOCK WASHER S22-41-04 DAMPING SPACER .375-16LNUT HEX LOCK NUT B1-.375x2 HEX HEAD CAP SCREW B1-.375X3 HEX HEAD CAP SCREW .375FLT...

  • Page 55: Horse Power Drive Option

    3 (7kW) HORSE POWER DRIVE OPTION with variable speed Pg 36 S22H 2002a...
  • Page 56 3 (7kW) HORSE POWER DRIVE parts list, with variable speed DESCRIPTION ITEM S-22A PART NUMBER 182TC FRAME 3 HP, 1800RPM, SPECIFY VOLTAGE B1-.312X.75 HEX HEAD CAP SCREW .312LOC LOCK WASHER .312FLT FLAT WASHER S23-46-00B MOTOR SEAT WELDMENT HM4D GEAR BOX, 39:1, TOP B3-12x30 METRIC HEX HEAD CAP SCREW M12 LOC...

  • Page 57: Idler Wheel Assembly

    IDLER WHEEL ASSEMBLY ITEM S-22 PART NUMBER DESCRIPTION S22-42-01A BLADE TENSION SHAFT 30 K2000-097 DISC SPRING S22-42-03A BLADE TENSION COLLAR A20-76-01 STOP PLATE 4462-00 THRUST BEARING S22-42-02A TENSIONER HANDLE 1993 1 3/8 BALL KNOB, 1/2 nc S22-421-01 SLIDE WAYS B1-.375X1 HEX HEAD CAP SCREW .375LOC LOCK WASHER...

  • Page 58: Blade Brush Assembly

    BLADE BRUSH ASSEMBLY ITEM S-22 PART NUMBER DESCRIPTION S22-43-01B SHAFT EXTENSION W6440-4 BEARING S20-925-03 POLYURETHANE WHEEL 5043 3" BLADE BRUSH .5FLT FLAT WASHER .5-13HXNUT HEX NUT S1-.25X.25-C SOCKET SET SCREW, CUP POINT TC 13 COMPRESSION SPRING .375FLT FLAT WASHER A1-.375X3.5 SOCKET HEAD CAP SCREW S1-.375X2.5 SOCKET SET SCREW, FLAT POINT...

  • Page 59: Counter Balance Spring Assembly

    COUNTER BALANCE SPRING ASSEMBLY ITEM S-22 PART NUMBER DESCRIPTION S22-2-03A SPRING GUIDE S22-2-06 COMPRESSION HEAD SPRING ROD END .5NF HXNUT HEX NUT S22-2-07 SPRING SUPPORT .25X1.75 ROLL PIN B1-.5X1.5 HEX HEAD CAP SCREW .5LOC LOCK WASHER .5FLT FLAT WASHER Pg 40 S22H 2002a...

  • Page 60: Pivot Link Assembly

    PIVOT LINK ASSEMBLY ITEM S-22 PART NUMBER DESCRIPTION S22-21-00D PIVOT LINK WELDMENT S22-2-01 PIVOT PIN 1627-B PIVOT PIN GREASE FITTING, 1/4 NPT S22-2-08 THRUST PLATE S22-2-02C SCALE SUPPORT S22-2-05A ANGLE SCALE N-.125X.250 PRESS IN RIVET A1-.375X1 SOCKET HEAD CAP SCREW S1-.312X.75-C SOCKET SET SCREW, CUP POINT A1-.312X1...

  • Page 61: Front Vise Assembly

    FRONT VISE ASSEMBLY ITEM S-22A PART NUMBER DESCRIPTION 7.260X1X.125 WEAR RING H2250 2 1/4" SHAFT WIPER S22A-1-03B JAW GUIDE SHAFT SH-0237-PA 2 3/8" EXTERNAL RETAINING RING S22A-1-02C CYLINDER MOUNTING PLATE B1-.375x1 HEX HEAD CAP SCREW .375LOC LOCK WASHER S22A-C3-00H VISE CYLINDER S22-1-01A WEAR PLATE F1-.312x.5...

  • Page 62: Work Stop Assembly

    WORK STOP ASSEMBLY ITEM S-22 PART NUMBER DESCRIPTION S22-G15-01 KHU-30 KNOB, 5/16-18X1 STUD S22-G15-02 GUIDE BAR S1-.375X2.25-C SOCKET SET SCREW, CUP POINT 30 C0750-040 DISC SPRING A1-.375X2.5 SOCKET HEAD CAP SCREW .375-16HXNUT HEX NUT S22-G15-03 S22-G15-04 STOPPER (press fit to 8) S22-G151-00 MATERIAL STOP WELDMENT Pg 43...

  • Page 63: Coolant Group

    COOLANT GROUP TO OUTFEED FENCE 494 ASSY SNAPLOC HOSE ASSEMBLY 101-B 1/4" FNPT TEE (attached to fence) 125-6B 3/8" BARB - 1/4" MNPT TO IDLER GUIDE ARM RVH-6 3/8" HOSE x 2' 8" (813cm) N4MCB4 1/4" MNPT - 1/4" HOSE BARB RVH-4 RVH-6 1/4"...

  • Page 64: Doors And Covers

    DOORS and COVERS Drive belt cover S22-41-02 Blade tension handle. S22-42-00 Lower blade gaurd. S22-41-01D with Idler wheel door. Lifting handle. Drive wheel door. 1/4-20 x 3/4 S22-32A-00 S22-31-08B S22-33A-00 thumb screw & hex nut BLADE BREAKAGE XCKL 115H7 LIMIT SWITCH BLADE TENSIONER ASSEMBLY Pg 45...
  • Page 65 OPERATIONS & MAINTENANCE MANUAL OPERATIONS & MAINTENANCE MANUAL OPERATIONS & MAINTENANCE MANUAL OPERATIONS & MAINTENANCE MANUAL OPERATIONS & MAINTENANCE MANUAL OPERATIONS & MAINTENANCE MANUAL OPERATIONS & MAINTENANCE MANUAL OPERATIONS & MAINTENANCE MANUAL OPERATIONS & MAINTENANCE MANUAL OPERATIONS & MAINTENANCE MANUAL OPERATIONS &...

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