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Dear Customer,
As a businessman you understand the necessity of keeping the cost of each step of production to an absolute
minimum without sacrificing quality. In the purchase of any new piece of equipment you are looking to in-
crease your production and consequently reduce your cost, while maintaining or improving quality.
With these points clearly in mind we have designed the HYD-MECH S-25A. Our goal is to change stock cut-
off from a "necessary evil" to a money making and time saving part of your operation.
Please use this manual to familiarize yourself and your employees on the proper operation and maintenance of
the S-25A.
We appreciate the confidence you have shown in our product and wish you every success in its use.
Sincerely,
HYD-MECH ENGINEERING LTD.
Stan Jasinski, P. Eng.,
President
HYD-MECH
P.O. BOX 1087 / WOODSTOCK, ONTARIO N4S 8P6 · PHONE (519) 539-6341 / FAX (519) 539-5126
PRINTED IN CANADA 1995

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Questions and answers

Artur
February 19, 2025

Czy dostępny jest regulator nacisku na piłę i predkosci opadania

1 comments:
Mr. Anderson
May 14, 2025

Yes, the pressure regulator for the Hyd-Mech S-25A saw is specified as a Pressure Reducing Valve (PRV1). The descent speed is controlled by the Feed Force Limit, which can be adjusted by turning the knob clockwise until it bottoms and setting the pointer at "0".

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Summary of Contents for Hyd-Mech S-25A

  • Page 1 With these points clearly in mind we have designed the HYD-MECH S-25A. Our goal is to change stock cut- off from a "necessary evil" to a money making and time saving part of your operation.
  • Page 2 THIS PAGE INTENTIONALLY LEFT BLANK...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION 1 - INSTALLATION Safety............................Lifting and Shipping........................Vise Cylinders..........................Head Restraint Bar........................Leveling............................. Wiring Connections........................Hydraulic Oil and Cutting Fluid....................SECTION 2 - CONTROLS AND OPERATIONS SUBSECTION 2A - The Control Console................... Start-up............................S25 Manual Controls........................Shuttle Length Control........................
  • Page 4 SECTION 4 - ELECTRICAL SYSTEM General Information........................Photos of Standard Electrical Components................. Photos of Optional Electrical Components.................. List of Electrical Components For An S-25A With the Optioanl PLC100........List of Electrical Components For A Standard S-25A..............Standard Electrical Schematic S25-7-00-1............
  • Page 5: Section 1 - Installation

    -Operator should keep a safe distance from all moving parts especially the blade and vises. -If not performing properly the machine should be stopped immediately and repaired by a qualified person. -No modifications to the machine are allowed without Hyd-Mech’s prior approval. Any approved modifications shall be performed by trained personnel.
  • Page 6: Vise Cylinders

    VISE CYLINDERS To permit the S-25A to be shipped in a standard trailer, the three vise cylinders must be fully retracted, the hydraulic hoses disconnected, and the mounting brackets unbolted from the infeed table Fig. 1-3. The cylinder tube is then rotated around the cylinder rod so that the mounting bracket and tube are upside-down. This jaw is now pushed completely toward the fixed jaw letting the bracket rest on the infeed table.
  • Page 7: Head Restraint Bar

    HEAD RESTRAINT BAR The S-25A bandsaw is shipped with the head secured at the 45° position by a restraint bar and is wired down to the base to ensure that the head can not move in any direction during shipping. After the saw has been lifted into position, the head restraint bar must be removed along with the wire.
  • Page 8: Wiring Connections

    Fig. 1-9 Electrical junction block. HYDRAULIC OIL AND CUTTING FLUID The S-25A bandsaw is supplied with Valvoline 150-46 hydraulic oil. If it is necessary to change the oil to a different brand see the HYDRAULIC SECTION for an equivalent grade oil.
  • Page 9: Start-Up

    START-UP The S-25A control console has been designed to simplify the operation of the saw, to give the operator the ability to stop any function at any time, and to be able to control all the functions remotely. (See Fig. 2A-1) We can not overstress the importance of familiarizing yourself with the controls of the S-25A prior to starting the machine.
  • Page 10 EMERGENCY STOP This button will stop both the hydraulic and blade motors and BUTTON: de-energizes the MODE SWITCH. The head and shuttle motion will cease. The vises will remain as they are, but if closed, they will gradually lose gripping force. For this reason all long stock should be supported so that in this eventuality, it will not fall.
  • Page 11 FIXED VISE SWITCH: This switch is operative as long as the machine is supplied with power. Unlike the other function switches it is active when the MODE SWITCH is in NEUTRAL. The FIXED VISE SWITCH is wired this way to insure that the fixed vise will not release the work piece when switching between AUTO and MANUAL, or if the saw should shut down during a cut due to a motor overload.
  • Page 12 AUTO CYCLE DIAL: This knob rotates in a clockwise direction when the saw is running and the MODE SWITCH is in AUTO Fig. 2A-4. As it rotates it sends out control commands indicated on the dial. Whenever the head or shuttle motion is initiated, the dial will stop and wait for the motion to reach the end of its travel, and then it will resume its rotation.
  • Page 13: Shuttle Length Control

    SHUTTLE LENGTH CONTROL To adjust for desired stock for a production run,as shown in Fig. 2A-8, move the Adjusting block 'A' to the desired position along the scale. Fine adjustments can be made using the micrometer 'B'. The zero point on the micrometer is .250 inch.
  • Page 14: Blade Kerf

    Increasing the micrometer setting increases the part length, while decreasing the micrometer setting de- creases the part length. NOTE: Remember to reset the micrometer to exactly midscale at the end of each run. S-25A AUTOMATIC CONTROLS BLADE KERF Although blade thickness is stand-...
  • Page 15: Subsection 2B - Saw Cutting Controls

    Variable pitch, bi-metal blades (like the 2/3 or 4/6 bi-metal blade supplied with the S-25A series saws) last much longer, cut faster, and more accurately than conventional carbon steel blades.
  • Page 16: Variable Speed Control

    2.13 VARIABLE SPEED CONTROL Blade speed can be adjusted infinitely between 75 and 400 SFPM (Surface Feet/Minute). Adjustment should be made only when the blade is running. Clockwise rotation of handwheel “A” (Fig. 2B-1) increases the blade speed while counter clockwise rotation decreases the blade speed. Blade speed is displayed on an indicator located in the adjustment hand wheel.
  • Page 17: Using The Saw Cutting Parameters Door Chart

    2.14 USING THE SAW CUTTING PARAMETERS ON CHART A full size chart is mounted on the panel. The chart contains five steps for the operator to follow in order to achieve optimum performance of the saw. Fig. 2B-6 Saw cutting parameter door chart. As Example #1 we will use the CHART to set up the saw, for cutting 8"...
  • Page 18 2.15 Both effective material width and guide arm width are used in setting the saw. Guide arm width is the distance between the guide arms and is used in STEP 2. Effective material width, as determined here in STEP 1, can be thought of as the average width of material “seen”...
  • Page 19: Step 3 Determine Optimum Blade Pitch

    2.16 SIGNIFICANCE OF GAUGE READING: With the head down and yellow button depressed the (FEED FORCE “set” on manual control panel) FEED FORCE gauge indicates the setting of the FEED FORCE LIMIT. During cutting the gauge shows the actual force being applied by the blade to the workpiece. In typical cutting situations, the needle on the gauge will rise toward the preset FEED FORCE LIMIT and stabilize, usually at a lower level.
  • Page 20: Step 4 Determine Optimum Blade Speed

    2.17 necessary, but remember that the optimum blade will cut most efficiently. Too fine a blade must be fed slower on wide material because the small gullets between the teeth will get packed with chips before they get across and out of the cut. Too coarse a blade must be fed slower because it has fewer teeth cutting and there is a limit to the depth of a cut taken by each tooth.
  • Page 21: Step 5 Determine Feed Rate Setting

    2.18 NOTE: About Material Hardness The Graph - Step 4, Fig 2B-8, illustrates blade speed curves for material hardness 20 Rc (225 Bhn) or lower. If the material is harder , use multipliers from the NOTE (near the bottom) of the Graph. For example, if the 5 diameter, 1045 Carbon Steel material, from the table above, had been hardened to 35 Rc (325 Bhn) then we must multiply the blade speed of 225 ft/min by .60.
  • Page 22 2.19 For Example #1, it is known from Step 3 that otimum blade pitch is 2/3, and from Step 4 that blade speed ,200 ft/ min. From the graph, Fig. 2B-10 the FEED RATE is determined in the following way: - On the horizontal axis (blade speed axis), find 200 ft/min.
  • Page 23: Cutting Control Set Up Examples

    2.20 CUTTING CONTROL SET UP EXAMPLES FOR EXAMPLES #2 AND #3 PLEASE GO TO THE SAW AND FOLLOW STEPS 1-5 ON THE CHART: Example #2 Material to be cut -Round Steel Tube SAE 4320 6" OD x 4" ID -Hardened to 35 Rc (325 Bhn) STEP 1 Effective Material Width: 4 1/2"...
  • Page 24 2.21 Example #3 Material to be cut -low carbon steel -2" x 2" tube x 1/4" wall -clamped in vises 12 pcs in a bundle (6" x 6") STEP 1 Effective material width: 5" (6" x 8") STEP 2 Feed Force limit for 8" wide material: 180 P.S.I.
  • Page 25: Subsection 2C - Mechanical Controls

    2.22 SUBSECTION 2C - MECHANICAL CONTROLS HEAD UP AND HEAD DOWN LIMIT SETTING Head Up Limit: In order to maximize production in the automatic cycle the HEAD UP LIMIT should be set to match the height of the material. By adjusting the HEAD UP LIMIT SETTING KNOB the head can be set to rise just above the material eliminating unnecessary head travel in the cycle and therefore shortening the cycle time.
  • Page 26: Coolant Flow

    2.23 GUIDE ARM POSITIONING It is desirable, in order to maintain maximum beam strength in the blade, to keep the guides as close together as possible. This span is obviously determined by stock size. As shown in Fig. 2C-3 ,in order to increase or decrease the span between the guide arms, simply undo the guide arm lock handle ‘A’...
  • Page 27: Blade Changing

    2.24 BLADE CHANGING Select manual mode and raise the head slightly (about two inches at the drive side guide arm). Open the idler and drive doors. Remove the blade guard Fig. 2C-5. Release the carbide guides Fig. 2C-6. Release the blade tension by positioning the blade tension selector switch to '-' Fig. 2C-7. TURN THE HYDRAULICS OFF.
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  • Page 29: Section 3 - Maintenance And Troubleshooting

    SECTION 3 - MAINTENANCE AND TROUBLESHOOTING BLADE BRUSH NOTE: Proper adjustment and operation of the blade brush is essential to the correct operation of the bandsaw and the longegivity of the blade. Therefore periodic maintenance and inspection of the machine should not be neglected.
  • Page 30: Lubrication

    LUBRICATION...
  • Page 31: Cleanliness

    CLEANLINESS NOTE: HYDRAULIC MAINTENANCE...
  • Page 32: Trouble Shooting

    TROUBLE SHOOTING SOLUTION PROBABLE CAUSE PROBLEM...
  • Page 33 PROBABLE CAUSE PROBLEM SOLUTION NOTE:...
  • Page 34 PROBLEM PROBABLE CAUSE SOLUTION IN MANUAL MODE...
  • Page 35 PROBLEM PROBABLE CAUSE SOLUTION IN AUTOMATIC MODE...
  • Page 36 SOLUTION PROBLEM PROBABLE CAUSE IN AUTO MODE (Optional) PLC...
  • Page 37: Section 4 - Electrical System

    SECTION 4 - ELECTRICAL SYSTEM GENERAL INFORMATION PHOTOS OF STANDARD ELECTRICAL COMPONENTS...
  • Page 38 9SS 1PB 6SS 3SS 5SS 5PB 2PB 1CNT...
  • Page 39: Photos Of Optional Electrical Components

    PHOTOS OF OPTIONAL ELECTRICAL COMPONENTS 5PB 7PB 5SS 8SS 7SS 4SS 2SS PLC100...
  • Page 40: List Of Electrical Components For A Standard S-25A

    LIST OF ELECTRICAL COMPONENTS FOR AN S-25A WITH THE OPTIONAL PLC100 Item Cose Function Description Component Component as on Manufacturer Number S-25A Sch.
  • Page 41 Item Cose Function Description Component Component as on Manufacturer Number S-25A Sch.
  • Page 42 Item Cose Function Description Component Component as on Manufacturer Number S-25A Sch.
  • Page 43 Item Cose Function Description Component Component as on Manufacturer Number S-25A Sch. LIST OF ELECTRICAL COMONENTS FOR A STANDARD S-25A Item Cose Function Description Component Component as on Manufacturer Number S-25A Sch.
  • Page 44 Item Cose Function Description Component Component as on Manufacturer Number S-25A Sch.
  • Page 45 Item Cose Function Description Component Component as on Manufacturer Number S-25A Sch.
  • Page 46 Item Cose Function Description Component Component as on Manufacturer Number S-25A Sch.
  • Page 50: Section 5 - Hydraulic System

    SECTION 5 - HYDRAULIC SYSTEM The S-25A hydraulic system does not require any special work on a new machine before its start-up. The hydraulic tank is filled with Valvoline 150-46 hydraulic oil and all machine functions have been tested at the factory to ensure proper operation upon initial start-up.
  • Page 51: Positive Downfeed Valve Components

    POSITIVE DOWNFEED VALVE COMPONENTS 'O' Ring 1/2" OD x 3/8" ID x 1/16" Spring Needle DF-4-03 Spool DF-4-05B Valve Body DF-4-01 DF-0-01 Back -Up Ring Spring for 'O' Ring Guide Spring Guide 1/2" OD x 3/8" ID x 1/16" Knob DF-4-02 DF-4-04 DF-4-06...
  • Page 52 THIS PAGE INTENTIONALLY LEFT BLANK...
  • Page 53 GUIDE ARM ASSEMBLY 6 of Socket Head Cap Screws 3/8"NC x 1" LG Guide Bar S25-32-01A 12 Set Screws 5/16"NC x 3.4" LG GUIDE ARMS ASSEMBLED Guide Arm Handle Hub S25-327-01 PLastic Tub 1/2"ID x 3 1/4"LG Rod 1/2"NC x 4 1/2"LG Ball 1 3/8"DIA x 1/2"NC Roll Pin 3/16"DIA x 1 1/4"LG Rod 5/8NF x 3 2/8"LG...
  • Page 54: Guide Arm Rack Assembly

    GUIDE ARM RACK ASSEMBLY Guide Arm Bracket GUIDE ARM RACK ASSEMBLED 3 of Sc. Hd. Cap. Scw. S25-33-03 3/8" NC x 1" LG 3 of Set Scw. 3/8" NC x 1/2" LG -Rack Shaft Assembly S25-332-00 3 of L/Washer 4 of 1/2" L/Washer 3 / 8 "...
  • Page 55: Blade Brush Assembly

    BLADE BRUSH ASSEMBLY 2 of Threaded Rod 3/8" NC x 5" LG 2 of 3/8" NC Hex Huts BLADE BRUSH ASSEMBLED 4 of 3/8" Flat Washer 2 of Spring Trakar MW 123 Bearing FAG W6433-2 Friction Wheel Hex Nut S20-925-03 2 of Blade Brush Shaft Extension Set Screw...
  • Page 56: Drive Assembly

    Pulley Shim Speed Indicator 371-04-060 Thick Drive Housing, Inner Lenze HA1524:1 Ratio 371-05-020 Thick S25-3711-00 DRIVE ASSEMBLED As Required with Hyd-Mech label S25-95-30A 2 of Hex Bolt Drive Wheel Keeper M16 x 50mm H16-4-02 Drive Wheel Cap Spacer H16-4-03 Hex Bolt...
  • Page 57: Idler Wheel Assembly

    IDLER WHEEL ASSEMBLY Idler Wheel S25-3-06 Retainer 2 of Bearing S25-3-04 6308 2RS Hex Bolt 1/2" NC x 1 1/2" LG IDLER WHEEL ASSEMBLED 1/2" L/Washer Snap Ring Spacer N5000-354 S25-3-03B 2 of Grease Nipple 1/8" NPT 2 of Idler Track S25-341-02 Idler Wheel Shaft S25-3-02...
  • Page 58: Vise Cylinder Mounting Assembly

    VISE CYLINDER MOUNTING ASSEMBLY VISE CYLINDER ASSEMBLED Vise Hose JCT Block S25-6-05 Hex Nut 3/4" NC 3/4" L/Washer Vise Cylinder S25-C3-00 2 of Snap Ring N5100-237 Cylinder Mount 'O' Ring S25-533-00A 2 1/4" ID x 2 5/8"OD 2 of Hex Bolt 3/4"...
  • Page 59: Front Table Assembly

    FRONT TABLE ASSEMBLY VISE ASSEMBLED Vise Key 2 of Vertical Wear Strip 32 of Flat Head Hex Cap Screws S25-53-02 S25-2-05 Vertical Wear Strip 5/16" NC x 1/2" LG S25-2-04 Front Vise S25-534-00 2 of Roll Pin Fixed Vise Jaw 3/8"...
  • Page 60: S-25 Gearbox Assembly

    S-25 GEARBOX ASSEMBLY ITRM # QTY. DESCRIPTION GEARCASE WORMSHAFT CAP WORMSHAF COVER WHEELSHAFT CAP WHEELSHAFT COVER WORMSHAFT SINGLE START WORMWHEEL 53 TEETH WHEELSHAFT WHEELSHAFT SPACER WORMSHAFT SHIMS WHEELSHAFT SHIMS TAPER ROLLER BEARING REF:31309 TAPER ROLLER BEARING REF:30312 TAPER ROLLER BEARING REF:30314 OILSEAL 42X62X7 SEMI DUAL OILSEAL 65X90X8 SEMI DUAL WORMWHEEL KEY 0.625"X0.625"X3.75"...
  • Page 61 SHUTTLE TABLE ASSEMBLY 2 of Table Mounting Key S25-A22-04 SHUTTLE TABLE ASSEMBLED 4 of Hex Bolt 1/2"NC x 1 1/2" LG 2 of Mounting Key 2 of Wear Strip 4 of Hex Bolt S25-A22-01A S25-2-01 1/2"NC x 1 3/4"LG 2 of Retainer S25-A22-02A 4 of 1/2"...
  • Page 62: Shuttle Guide Assembly

    Roller Tray 2 of Shuttle Shaft S25A-242-00A S25-A25-01 8 of Wiper CUSTOM SEAL H2250 8 of Wear Ring 7"x1"x1/8" 702 Strip Shuttle Cylinder S25-C1-00 Rear Cylinder Pin Cylinder Rod Pin S25-676-00 S25-675-00 Hydraulic Hose Hyd-Mech #12 Hydraulic Hose Hyd-Mech #11...
  • Page 63: Infeed Conveyor Assembly

    INFEED CONVEYOR ASSEMBLY 4 of Hex Bolt 3/8" NC x 5/8" LG 4 of 3/8" L/Washer 4 of Shaft Weldment S25-A313-00 Conveyor Frame S25A-311-00 4 of Roller Assembly S25-A312-00 - 1 of Roller Tube S25-A312-01 - 2 of Bearing 6307-2RS 4 of Hex Bolt 3/8"...
  • Page 64: Pivot Link Assembly

    PIVOT LINK ASSEMBLY Head Cylinder S25-C4-00 Angle Scale Angle Pointer S25-9-21 S25-9-01 - Thrust Washer Torrington TRF-3648 - Thrust Washer Torrington TRB-3648 - 2 of Bushing S25-4-04 Vertical Pivot Shaft - Horizontal Pivot Shaft S25-4-01 S25-3-01 - 3 of Hex Jam Nut 3/8"...
  • Page 65: Head Swing Assembly

    HEAD SWING ASSEMBLY 2 of Cylinder Pin S25-625-00 2 of Fl. Hd. Soc. Cap Scw 3/8" NC x 3/4" LG Washer Head Swing Cylinder Rod End Hex Bolt S20-3-10 S25-C7-00 1/2" DIA 2 of Shaft Collar 1/2" NC x 1 1/4" LG Angle Stop Shaft 2 of Rod Wiper 1/2"...
  • Page 66: Coolant System Assembly

    COOLANT SYSTEM ASSEMBLY Elbow Adapter Hose Adapter 1/4"NPT Male to 1/4" NPT Female 1/4"NPT to 3/8" DIA Hose Versa 139-6B Versa 125-6B Needle Valve 1/4"NPT Male to 1/4" NPT Female Versa 3120-B 1/4 NPT adapter Lock-Line Nozzle Hose 12" LG Coolant Hose Lock-Line Lock-Line...
  • Page 67: Outfeed Table Assembly

    6.15 OUTFEED TABLE ASSEMBLY Material Stop Flag Material Stop Bracket S20-01122-00 S20-911-00 - Knob Assembly S20-914-00 - Clamp Knob S20-912-00 S20-912-02 Material Stop Shaft S25-0112B-01 Material Stop Frame S25-01121B-00 Fence S25-0112B-02 Outfeed Table S25-0111B-01 Outfeed Tray Weldment S25-01111B-00...
  • Page 68: Length Control Assembly

    LENGTH CONTROL ASSEMBLY 2 of Hex Bolt Arm Weldment 3/8" NC x 3" LG Knob S25-7221-00 Dimco GR 1-2311-006 LENGTH CONTROL ASSEMBLED Adjusting Block S25-724-01 Knob 3 of Soc Hd. Scw. Dimco Gr 10-24 NC x 3/4" 1-2311-006 Hex Bolt Pointer 1/2"...
  • Page 69 BUNDLING ASSEMBLY NOTE: The hydraulic hose lengths used fot the shuttle vises are 39" and 40" long. The hydraulic hose lengths used for the fixed vise are 59" and 60" long. Bundling Cylinder S25-c-23-00 The hydraulic hose is SAE 100R1Female Clamp Bolt Assembly 1/4"...
  • Page 70: Variable Vise Pressure

    VARIABLE VISE PRESSURE ASSEMBLY 1/4" JIC to 1/4" NPT Elbow Pressure Gauge 1000psi VARIABLE VISE PRES- Mounting Plate SURE S25-6-04 2 of 1/4" NC Nut Junction Block JB-02 2 of Philips Head Screw 1/4"NC x 1/2" LG 2 Elbow 1/8"NPT x 1/4" JIC 2 of Hex Head Bolt 1/4"...
  • Page 71: Blade Breakage Switch

    BLADE BREAKAGE LIMIT SWITCH ASSEMBLY Blade Breakage Limit Switch Roller Arm Telemecanique XCKL115H7 Lever S25-77-01 2 of Socket Head Cap Screw 5/16"NC x 3/4"LG For customers who plan to cut in automatic cycle with limited supervision a "Blade Breakage" switch is available. It will stop the machine operation as soon as the blade breaks.
  • Page 72: Out Of Stock Limit Switch

    OUT OF STOCK LIMIT SWITCH ASSEMBLY Collar Out of Stock Limit Switch S25-76-01 Roller Arm Telemecanique XCKL115H7 S25-761-01 2 of 'O' Ring 13/32 ID x 5/8" OD For customers who plan to cut in the automatic cycle with limited supervision an "Out of Stock" Limit Switch is available. It will stop the machine as soon as there is not enough material for the next cut in a cycle.
  • Page 73 S-25A OPTIONAL REMOTE CONTROL VARIABLE SPEED DRIVE ADJUSTMENT Hydraulic Hose Hydraulic Hose 2 of Cords and Hirschman Connectors Directional Control Valve DCV3P-AB-T External Snap Ring 1" SH-100 'O' Ring Plate HYM-01 Adjuster Cup VS25-32-00 2 Position Junction Block JB-02 2 of Adjuster Nut...
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  • Page 75: Section 8 - Specifications

    SECTION 8 - SPECIFICATIONS SPACIFICATION LIST MODEL S-25A DIMENSIONS ( IMPERIAL) Capacity: Round 18" Diameter Rectangular 18" high, 27" wide At 45° angle Round 18" Diameter At 30° angle Round 12" Diameter Blade:Length 18' 10" Width 1 1/2", 1 1/4" (optional) Thickness .050"...
  • Page 76 S-25A OVERALL DIMENSIONS 160"...
  • Page 77: Warranty

    MOTOR, GEARBOX, PUMP, ELECTRIC COMPONENTS, VALVES, HOSES, FITTINGS, and any other items used in the manufacture of the S-25A, but not originally manufactured by Hyd-Mech are subject to the original manufacturer's warranty. Hyd-Mech will provide such assistance and information as is necessary and available to facilitate the user's claim to such other manufacturer.

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