South bend SB1049 Owner's Manual
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South bend SB1049 Owner's Manual

13" heavy 13 gearhead lathe
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13" HEAVY 13
GEARHEAD LATHE
MODEL SB1049 13" X 30"
MODEL SB1050 13" X 40"
OWNER'S MANUAL
© January, 2012 by South Bend Lathe Co.
For Machines Mfg. Since 5/11

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  • Page 1 ® 13" HEAVY 13 GEARHEAD LATHE MODEL SB1049 13" X 30" MODEL SB1050 13" X 40" OWNER'S MANUAL © January, 2012 by South Bend Lathe Co. For Machines Mfg. Since 5/11...
  • Page 2 Scope of Manual This manual helps the reader understand the machine, how to prepare it for operation, how to control it during operation, and how to keep it in good working condition. We assume the reader has a basic understanding of how to operate this type of machine, but that the reader is not familiar with the controls and adjustments of this specific model.

  • Page 3: Table Of Contents

    Table of Contents INTRODUCTION ............3 Power Connection ..........25 About This Machine ..........3 Test Run ............. 26 ............. 3 Spindle Break-In ..........30 Foreword ............3 Recommended Adjustments ......30 Capabilities .............. 3 Features OPERATION ............31 General Identification .......... 4 Operation Overview ...........
  • Page 4 ........50 TROUBLESHOOTING .........84 Setting Spindle Speed ........50 Configuration Examples ELECTRICAL ............87 Power Feed ............51 Electrical Safety Instructions ......87 .......... 52 Power Feed Controls Wiring Overview ..........88 ........53 Setting Power Feed Rate Component Location Index........ 89 End Gears ............

  • Page 5: Introduction

    I N T R O D U C T I O N For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe About This Machine Foreword Features ® "The screw cutting engine lathe is the oldest and These Heavy 13 Gearhead Lathes are packed most important of machine tools and from it all with standard features and equipment, such...

  • Page 6: General Identification

    13" Heavy 13 ® Gearhead Lathe I N T R O D U C T I O N For Machines Mfg. Since 5/11 General Identification Figure 1. Identification. A. Spindle Speed Levers (see Page 50 for Longitudinal Leadscrew details) M. Feed Rod B.

  • Page 7: Controls & Components

    I N T R O D U C T I O N For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe A. Quick-Change Gearbox Levers: Control the Controls & leadscrew and feed rod speed for threading and feed operations. Components B.

  • Page 8: Control Panel

    13" Heavy 13 ® Gearhead Lathe I N T R O D U C T I O N For Machines Mfg. Since 5/11 K. 4-Way Tool Post: Mounts up to four cutting Control Panel tools at once that can be individually indexed to the workpiece.

  • Page 9: Tailstock

    I N T R O D U C T I O N For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Tailstock End Gears Configuring the end gears shown in Figure 7 will control the speed of the leadscrew for threading or the feed rod for power feed operations.

  • Page 10: Product Specifications

    13" Heavy 13 ® Gearhead Lathe I N T R O D U C T I O N For Machines Mfg. Since 5/11 Product Specifications Product Specifications P.O. Box 2027, Bellingham, WA 98227 U.S.A. © South Bend Lathe Co. www.southbendlathe.com MODEL SB1049 &...
  • Page 11 I N T R O D U C T I O N For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Model Number SB1049 SB1050 Main Motor Type TEFC Induction Horsepower 3 HP Voltage 220V Phase Single-Phase Amps Speed 1720 Cycle...
  • Page 12 13" Heavy 13 ® Gearhead Lathe I N T R O D U C T I O N For Machines Mfg. Since 5/11 Model Number SB1049 SB1050 Headstock Information Spindle Bore 1.57" Spindle Taper MT#5 Number of Spindle Speeds Range of Spindle Speeds 80–2000 RPM Spindle Type D1-5 Camlock...
  • Page 13 I N T R O D U C T I O N For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Model Number SB1049 SB1050 Construction Headstock Cast Iron Headstock Gears Flame-Hardened Steel Meehanite Castings with Precision Hardened-and-Ground Ways Stand Cast Iron Paint...

  • Page 14: Safety

    13" Heavy 13 ® Gearhead Lathe S A F E T Y For Machines Mfg. Since 5/11 Understanding Risks of Machinery Operating all machinery and machining equipment can be dangerous or relatively safe depending on how it is installed and maintained, and the operator's experience, common sense, risk awareness, working conditions, and use of personal protective equipment (safety glasses, respirators, etc.).

  • Page 15: Heavy

    S A F E T Y For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Entanglement: Loose clothing, gloves, neckties, Chuck Keys or Adjusting Tools: Tools used to jewelry or long hair may get caught in adjust spindles, chucks, or any moving/ moving parts, causing entanglement, rotating parts will become dangerous amputation, crushing, or strangulation.

  • Page 16: Additional Metal Lathe Safety

    13" Heavy 13 ® Gearhead Lathe S A F E T Y For Machines Mfg. Since 5/11 Additional Metal Lathe Safety Speed Rates. Operating the lathe at the wrong Clearing Chips. Metal chips can easily cut bare speed can cause nearby parts to break or the skin—even through a piece of cloth.

  • Page 17: Additional Chuck Safety

    S A F E T Y For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Additional Chuck Safety Entanglement. Entanglement with a rotating Chuck Capacity. Avoid exceeding the capacity chuck can lead to death, amputation, broken of the chuck by clamping an oversized bones, or other serious injury.

  • Page 18: Preparation

    13" Heavy 13 ® Gearhead Lathe P R E P A R A T I O N For Machines Mfg. Since 5/11 Preparation Overview Things You'll Need The purpose of the preparation section is to help To complete the preparation process, you will you prepare your machine for operation.

  • Page 19: Power Supply Requirements

    P R E P A R A T I O N For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe The full-load current is not the maximum Power Supply amount of amps that the machine will draw. If the machine is overloaded, it will draw additional Requirements amps beyond the full-load rating.

  • Page 20: Grounding Requirements

    13" Heavy 13 ® Gearhead Lathe P R E P A R A T I O N For Machines Mfg. Since 5/11 Grounding Requirements Extension Cords This machine must be grounded! In the event We do not recommend using an extension cord of certain types of malfunctions or breakdowns, with this machine.

  • Page 21: Unpacking

    P R E P A R A T I O N For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Unpacking This item was carefully packaged to prevent damage during transport. If you discover any damage, please immediately call Customer Service at (360) 734-1540 for advice.

  • Page 22: Cleaning & Protecting

    13" Heavy 13 ® Gearhead Lathe P R E P A R A T I O N For Machines Mfg. Since 5/11 Cleaning & Protecting Avoid chlorine-based solvents, such as The unpainted surfaces are coated at the factory acetone or brake parts cleaner that may with a heavy-duty rust preventative that damage painted surfaces.

  • Page 23: Location

    P R E P A R A T I O N For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Weight Load Location Location Refer to the Machine Specifications for the Physical Environment weight of your machine. Make sure that the surface upon which the machine is placed will The physical environment where your machine bear the weight of the machine, additional...

  • Page 24: Lifting & Moving

    13" Heavy 13 ® Gearhead Lathe P R E P A R A T I O N For Machines Mfg. Since 5/11 Position hardwood blocks under each end Lifting & Moving of the bed as shown in Figure 13. This will keep the lifting straps away from the leadscrew, feed rod, and spindle rod to prevent bending them during lifting.

  • Page 25: Leveling & Mounting

    P R E P A R A T I O N For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Attach the lifting straps to the power lifting Leveling & Mounting equipment (see Figure 15 for an example). You must level your machine and either use Power Lifting the included foot pads and leveling hardware or...

  • Page 26: Bolting To Concrete Floors

    13" Heavy 13 ® Gearhead Lathe P R E P A R A T I O N For Machines Mfg. Since 5/11 To level the machine, use a precision level to Assembly make sure the bedways are level from side-to- side and from front-to-back.

  • Page 27: Adding Coolant

    P R E P A R A T I O N For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe In addition to the reservoirs, we also recommend Thread the power cord through the strain that you lubricate all other points on the relief, and up to the master power switch machine at this time.

  • Page 28: Test Run

    13" Heavy 13 ® Gearhead Lathe P R E P A R A T I O N For Machines Mfg. Since 5/11 Make sure the power cord and wires have Test Run slack between the strain relief and terminal connections so that they do not bind, then After all preparation steps have been completed, tighten the strain relief to secure the cord.
  • Page 29 P R E P A R A T I O N For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Clear away all tools and objects used during Note: During the next step, you may need to assembly, lubrication, and preparation. use the chuck key rock the spindle back and forth while attempting to shift so Make sure that the chuck and jaws, if...
  • Page 30 13" Heavy 13 ® Gearhead Lathe P R E P A R A T I O N For Machines Mfg. Since 5/11 Turn the master power switch on the — When operating correctly, the machine electrical cabinet to the ON position. runs smoothly with little or no vibration or rubbing noises.
  • Page 31 P R E P A R A T I O N For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe 15. Move the spindle lever to the OFF (middle) 18. Lift the chuck guard up—this will activate position. Remove the end gear cover from the the chuck guard safety switch.

  • Page 32: Spindle Break-In

    13" Heavy 13 ® Gearhead Lathe P R E P A R A T I O N For Machines Mfg. Since 5/11 Use the foot brake to stop spindle rotation, Spindle Break-In then run the lathe at 200 RPM for 10 minutes with the gearbox range lever on the Before subjecting the lathe to full loads, it headstock in the L (low) position, and then...

  • Page 33: Operation

    For Machines Mfg. Since 5/11 O P E R A T I O N 13" Heavy 13 ® Gearhead Lathe To complete a typical operation, the operator Operation Overview does the following: The purpose of this overview is to provide Puts on safety glasses, rolls up sleeves, the novice machine operator with a basic removes jewelry, and secures any clothing,...

  • Page 34: Chuck & Faceplate Mounting

    13" Heavy 13 ® Gearhead Lathe O P E R A T I O N For Machines Mfg. Since 5/11 Chuck & Faceplate Installation & Removal Mounting Devices This lathe is equipped with a D1-type spindle Because chucks are heavy and often awkward to nose.

  • Page 35: Chuck Installation

    For Machines Mfg. Since 5/11 O P E R A T I O N 13" Heavy 13 ® Gearhead Lathe Incrementally tighten the camlocks in a Chuck Installation criss-cross or star pattern to ensure that the chuck seats evenly against the spindle. To ensure accurate work, it is extremely important to make sure the spindle nose and When the chuck is fully seated and all the...

  • Page 36: Registration Marks

    13" Heavy 13 ® Gearhead Lathe O P E R A T I O N For Machines Mfg. Since 5/11 Verify that the chuck fits the spindle Chuck Removal properly by checking for any gaps between the mating surfaces. To remove the chuck: DISCONNECT LATHE FROM POWER! —...

  • Page 37: Scroll Chuck Clamping

    For Machines Mfg. Since 5/11 O P E R A T I O N 13" Heavy 13 ® Gearhead Lathe Scroll Chuck Clamping 4-Jaw Chuck This scroll-type chuck has an internal scroll-gear Refer to the Chuck Installation (see Page 33) that moves all jaws in unison when adjusted with and Chuck Removal (see Page 34) instructions the chuck key.

  • Page 38: Faceplate

    13" Heavy 13 ® Gearhead Lathe O P E R A T I O N For Machines Mfg. Since 5/11 Tighten each jaw in small increments. Faceplate After you have adjusted the first jaw, continue tightening the remaining jaws Refer to the Chuck Installation (see Page 33) in an opposing sequence, as shown by the and Chuck Removal (see Page 34) instructions sequential order in Figure 35.

  • Page 39: Tailstock

    For Machines Mfg. Since 5/11 O P E R A T I O N 13" Heavy 13 ® Gearhead Lathe To mount a non-concentric workpiece to the Quill Lock Tailstock Lock faceplate: Lever Lever DISCONNECT LATHE FROM POWER! Protect the bedway with a piece of plywood. With help from another person or a holding Quill device to support the workpiece, position it...

  • Page 40: Installing Tooling

    13" Heavy 13 ® Gearhead Lathe O P E R A T I O N For Machines Mfg. Since 5/11 However, other tooling without tangs, such as Installing Tooling the four remaining tools shown in Figure 39, This tailstock uses a quill with an MT#5 taper can still be used if the potential load will not that has a lock slot in the back of the bore that exceed the strength of the tapered fit.

  • Page 41: Removing Tooling

    For Machines Mfg. Since 5/11 O P E R A T I O N 13" Heavy 13 ® Gearhead Lathe To offset the tailstock: Removing Tooling Loosen the hex bolts underneath both ends Use a shop rag to hold the tool. of the tailstock to release the clamping pressure between the top and bottom Rotate the quill handwheel counterclockwise...

  • Page 42: Aligning Tailstock To Spindle Centerline

    13" Heavy 13 ® Gearhead Lathe O P E R A T I O N For Machines Mfg. Since 5/11 Note: As long as this dead center remains in the Aligning Tailstock to Spindle chuck, the point of the center will remain Centerline true to the spindle centerline.

  • Page 43: Centers

    For Machines Mfg. Since 5/11 O P E R A T I O N 13" Heavy 13 ® Gearhead Lathe Note: If necessary in the following step, refer Centers to Offsetting Tailstock on Page 39 for detailed instructions. Figure 48 shows the MT#5 dead centers included with the lathe.

  • Page 44: Live Centers

    13" Heavy 13 ® Gearhead Lathe O P E R A T I O N For Machines Mfg. Since 5/11 Live Centers Removing Center from Spindle A live center has bearings that allow the center To remove the sleeve and center from the tip and the workpiece to rotate together;...

  • Page 45: Removing Center From Tailstock

    For Machines Mfg. Since 5/11 O P E R A T I O N 13" Heavy 13 ® Gearhead Lathe Use the quill handwheel to feed the quill out Mounting Workpiece Between from the casting approximately 1". Centers Note: Do not extend the quill more than 2" or DISCONNECT LATHE FROM POWER! stability and accuracy will be reduced.

  • Page 46: Steady Rest

    13" Heavy 13 ® Gearhead Lathe O P E R A T I O N For Machines Mfg. Since 5/11 Loosen the clamp knob that secures the two Steady Rest halves of the steady rest and open the top portion, as shown in Figure 54. The steady rest supports long shafts and can be mounted anywhere along the length of the bedway.

  • Page 47: Follow Rest

    For Machines Mfg. Since 5/11 O P E R A T I O N 13" Heavy 13 ® Gearhead Lathe Follow Rest Carriage & Slide Locks The follow rest mounts to the saddle with two The carriage, cross slide, and compound rest cap screws (see Figure 55).

  • Page 48: Compound Rest

    13" Heavy 13 ® Gearhead Lathe O P E R A T I O N For Machines Mfg. Since 5/11 Compound Rest Four-Way Tool Post The compound rest handwheel has an indirect- The four-way tool post is mounted on top of the read graduated scale.

  • Page 49: Aligning Cutting Tool With Spindle Centerline

    For Machines Mfg. Since 5/11 O P E R A T I O N 13" Heavy 13 ® Gearhead Lathe Tools Needed Aligning Cutting Tool with Spindle Tool Post T-Wrench ..........1 Centerline Steel Shims ..........As Needed For most operations, the cutting tool tip should Cutting Tool ............

  • Page 50: Adjustable Feed Stop

    13" Heavy 13 ® Gearhead Lathe O P E R A T I O N For Machines Mfg. Since 5/11 Adjustable Feed Stop Micrometer Stop Use the adjustable feed stop collar (shown in The micrometer stop allows you to stop the Figure 62) to set the location where the carriage carriage at the same position for repeat cuts, should disengage from power feed.

  • Page 51: Manual Feed

    For Machines Mfg. Since 5/11 O P E R A T I O N 13" Heavy 13 ® Gearhead Lathe Manual Feed Spindle Speed The handwheels shown in Figure 64 allow the Using the correct spindle speed is important operator to manually move the cutting tool. for safe and satisfactory results, as well as maximizing tool life.

  • Page 52: Setting Spindle Speed

    13" Heavy 13 ® Gearhead Lathe O P E R A T I O N For Machines Mfg. Since 5/11 Setting Spindle Speed Configuration Examples Selecting one of the 8 spindle speeds available is Using the controls on the lathe, follow along with a combination of configuring the spindle range these two examples for setting the spindle speed lever and the spindle speed lever shown in...

  • Page 53: Power Feed

    For Machines Mfg. Since 5/11 O P E R A T I O N 13" Heavy 13 ® Gearhead Lathe Setting Spindle Speed of 2000 RPM Power Feed Make sure the spindle is completely stopped Both the carriage and cross slide have power feed and the spindle lever is in the OFF (middle) capability when the carriage is engaged with the position.

  • Page 54: Power Feed Controls

    13" Heavy 13 ® Gearhead Lathe O P E R A T I O N For Machines Mfg. Since 5/11 A. Feed Range Lever: Selects the low or high feed rate range by re-aligning the headstock transfer gear. In the middle position, ALWAYS make sure the spindle is completely disables power feed.

  • Page 55: Setting Power Feed Rate

    For Machines Mfg. Since 5/11 O P E R A T I O N 13" Heavy 13 ® Gearhead Lathe Setting Power Feed Rate The feed rate chart on the upper right of the headstock face displays the settings for the headstock feed controls for metric and inch feed rates.

  • Page 56: End Gears

    13" Heavy 13 ® Gearhead Lathe O P E R A T I O N For Machines Mfg. Since 5/11 Note: In the next step, use the chuck key to rock End Gears the spindle back and forth to help mesh the gears as you make adjustments.

  • Page 57: Alternate Configuration

    For Machines Mfg. Since 5/11 O P E R A T I O N 13" Heavy 13 ® Gearhead Lathe Loosen the pivot arm hex nut shown in Alternate Configuration Figure 75, then swing the pivot arm to the The alternate end gear configuration is used left so that 44T/56T gears are away from the when cutting modular or diametral threads.

  • Page 58: Threading

    13" Heavy 13 ® Gearhead Lathe O P E R A T I O N For Machines Mfg. Since 5/11 The configuration string of characters to Threading the right of the selected thread pitch (LS8Y) displays the positions to set the threading The following subsections describe how to use the controls for a metric thread pitch of 1.75 (see threading controls and charts to set up the lathe...

  • Page 59: Apron Threading Controls

    For Machines Mfg. Since 5/11 O P E R A T I O N 13" Heavy 13 ® Gearhead Lathe Apron Threading Controls Thread Dial The half nut lever engages the carriage with The numbers on the thread dial are used with the leadscrew which moves the carriage and the thread dial chart to show when to engage the cutting tool, along the length of the workpiece for...

  • Page 60: Thread Dial Chart

    13" Heavy 13 ® Gearhead Lathe O P E R A T I O N For Machines Mfg. Since 5/11 Even TPI Not Divisible By 4 Thread Dial Chart For threading a TPI that is even but not divisible Find the TPI (threads per inch) that you want by 4, use any of the non-numbered lines on the to cut in the left column of the thread dial chart thread dial (see Figure 81).

  • Page 61: Chip Drawer

    For Machines Mfg. Since 5/11 O P E R A T I O N 13" Heavy 13 ® Gearhead Lathe ⁄ ⁄ Fractional TPI Chip Drawer For TPI that have a ⁄ ⁄ fraction, use position The chip drawer catches swarf and metal chips 1 on the thread dial (see Figure 84).

  • Page 62: Coolant System

    13" Heavy 13 ® Gearhead Lathe O P E R A T I O N For Machines Mfg. Since 5/11 Coolant System When the coolant pump is turned ON, the fluid BIOLOGICAL & POISON is delivered through the nozzle attached to the HAZARD! carriage.

  • Page 63: Accessories

    A C C E S S O R I E S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe D1-5 Back Plates Accessories SB1397—6 ⁄ " SB1399—8 ⁄ " This section includes the most common SB1401—10 ⁄ "...
  • Page 64 13" Heavy 13 ® Gearhead Lathe A C C E S S O R I E S For Machines Mfg. Since 5/11 Keyless Integral Chucks SB1238—High Performance MT#3 Live Center SB1379—MT #3 ⁄ " SB1380—MT #3 ⁄ " heat-treated to HRC60°±1 for high rigidity and These keyless chucks are produced with an durability.
  • Page 65 A C C E S S O R I E S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe SB1365—Way Oil SB1251—Machinist's Oak Tool Box Engineered for the high pressure exerted on Proudly made in the South Bend tradition, this horizontal or vertical ways and slides.

  • Page 66: Maintenance

    13" Heavy 13 ® Gearhead Lathe M A I N T E N A N C E For Machines Mfg. Since 5/11 Daily, After Operations Maintenance Schedule OFF the master power switch (to prevent accidental startup). Always disconnect power slides, and chip drawer. to the machine before performing maintenance.

  • Page 67: Maintenance Chart

    M A I N T E N A N C E For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe -65-...

  • Page 68: Lubrication

    13" Heavy 13 ® Gearhead Lathe M A I N T E N A N C E For Machines Mfg. Since 5/11 Adding Oil The oil fill plug is located on top of the headstock, The following recommended lubrication as shown in Figure 100. schedules are based on light-to-medium usage.

  • Page 69: Quick-Change Gearbox

    M A I N T E N A N C E For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Draining Oil Quick-Change Gearbox Place a catch pan under the quick-change Oil Type ..Mobil Vactra 2 or ISO 68 Equivalent gearbox drain plug (see Figure 102), use a ⁄...

  • Page 70: One-Shot Oiler

    13" Heavy 13 ® Gearhead Lathe M A I N T E N A N C E For Machines Mfg. Since 5/11 Place a catch pan under the apron drain plug shown in Figure 104, loosen the fill plug, then use a 6mm hex wrench to remove the drain plug and empty the reservoir.

  • Page 71: Ball Oilers & Oil Cup

    M A I N T E N A N C E For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe A. Cross Slide Leadscrew & Nut Ball Oilers & Oil Cup B. Compound Rest Leadscrew & Nut Oil Type .. Mobil DTE Light or ISO 32 Equivalent Feed Selection Lever Gearing Oil Amount ........

  • Page 72: End Gears

    13" Heavy 13 ® Gearhead Lathe M A I N T E N A N C E For Machines Mfg. Since 5/11 End Gears Lubricating DISCONNECT LATHE FROM POWER! Grease Type ..........NLGI#2 Frequency ....Annually or When Changing Remove the end gear cover and all the end gears shown in Figure 109.

  • Page 73: Coolant System Service

    M A I N T E N A N C E For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Although most swarf from machining operations Coolant System is screened out of the coolant before it returns to the tank, small particles will accumulate in Service the bottom of the tank in the form of sludge.

  • Page 74: Adding Fluid

    13" Heavy 13 ® Gearhead Lathe M A I N T E N A N C E For Machines Mfg. Since 5/11 To change the coolant: Adding Fluid Position the coolant nozzle over the back of DISCONNECT LATHE FROM POWER! the back splash so that it is pointing behind the lathe.

  • Page 75: Machine Storage

    M A I N T E N A N C E For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Slide the tank partially into the base and re- Thoroughly clean all unpainted, bare metal connect the fluid hose. surfaces, then apply a liberal coat of way oil, heavy grease, or rust preventative.

  • Page 76: Service

    13" Heavy 13 ® Gearhead Lathe S E R V I C E For Machines Mfg. Since 5/11 Cross Slide Backlash Adjustment Tools Needed: Backlash is the amount of free play felt while Hex Wrench 3mm ..........1 changing rotation directions with the handwheel. Hex Wrench 5mm ..........

  • Page 77: Leadscrew End Play Adjustment

    S E R V I C E For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Leadscrew End Play Gib Adjustment The goal of adjusting the gib screws is to remove Adjustment sloppiness or "play" from the ways without over- adjusting them to the point where they become After a long period of time, you may find that stiff and difficult to move.
  • Page 78 13" Heavy 13 ® Gearhead Lathe S E R V I C E For Machines Mfg. Since 5/11 Figures 116–120 show the location of the Note: Remove the thread dial body and the adjustment screws for each gib on this machine. carriage lock clamp to access the saddle gib adjustment screw on the tailstock side (see Figure 119).

  • Page 79: Half Nut Adjustment

    S E R V I C E For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Half Nut Adjustment V-Belts The clamping pressure of the half nut is fully V-belts stretch and wear with use, so check the adjustable with a gib that can be loosened or tension on a monthly basis to ensure optimal tightened by two set screws.

  • Page 80: Brake & Switch

    13" Heavy 13 ® Gearhead Lathe S E R V I C E For Machines Mfg. Since 5/11 Adjust the hex nuts on the motor mount Brake & Switch bolts shown in Figure 123, until there is approximately ⁄ " deflection of the V-belts As the brake lining wears, the foot pedal when moderate pressure is applied midway develops more travel.
  • Page 81 S E R V I C E For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Remove the pedal stop shown in Figure 125. Locate the brake switch shown in Figure 127. Pedal Lever Brake Brake Belt Band Switch Pedal Stop Pedal...

  • Page 82: Leadscrew Shear Pin Replacement

    13" Heavy 13 ® Gearhead Lathe S E R V I C E For Machines Mfg. Since 5/11 To replace the shear pin: Leadscrew Shear Pin DISCONNECT LATHE FROM POWER! Replacement Rotate the shroud washer on the leadscrew shown in Figure 129, so that the cutout The leadscrew is secured to a connecting collar lines up with the shear pin head.
  • Page 83 S E R V I C E For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Use the magnet to remove the shear pin head, then rotate the lathe spindle to line Shear Pin up the inner and outer bores, as shown in Figure 131.

  • Page 84: Gap Insert Removal & Installation

    13" Heavy 13 ® Gearhead Lathe S E R V I C E For Machines Mfg. Since 5/11 10. Return the retaining ring against the shroud Tools Needed: washer and position the retaining ring Hex Wrenches 6mm ..........1 ears over the shear pin head, as shown in Hex Wrench 8mm ..........

  • Page 85: Gap Installation

    S E R V I C E For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Install all fasteners and lightly snug them in Gap Installation place. Use mineral spirits and a clean lint-free rag to clean the mating surfaces of the gap, bed, Mount a dial indicator with a magnetic base and ways.

  • Page 86: Troubleshooting

    13" Heavy 13 ® Gearhead Lathe TROU B LESHOOTI NG For Machines Mfg. Since 5/11 If you need replacement parts, or if you are unsure how to do any of the solutions given here, feel free to call us at (360) 734-1540. Symptom Possible Cause Possible Solution...
  • Page 87 TROU B LESHOOTI NG For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Symptom Possible Cause Possible Solution Entire machine 1. Workpiece is unbalanced. 1. Re-install workpiece as centered with the spindle bore as possible. vibrates upon startup and while 2.
  • Page 88 13" Heavy 13 ® Gearhead Lathe TROU B LESHOOTI NG For Machines Mfg. Since 5/11 Symptom Possible Cause Possible Solution Workpiece is 1. Headstock and tailstock are not 1. Realign the tailstock to the headstock spindle bore properly aligned with each other. centerline (see Page 40).

  • Page 89: Electrical

    E L E C T R I C A L For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Electrical Safety Instructions These pages are accurate at the time of printing. In the constant effort to improve, however, we may make changes to the electrical systems of future machines.

  • Page 90: Wiring Overview

    13" Heavy 13 ® Gearhead Lathe E L E C T R I C A L For Machines Mfg. Since 5/11 Wiring Overview Power Supply Connection Page 94 Electrical Cabinet Page 90 Chuck Guard Work Lamp Limit Switch Page 94 Page 94 Brake Pedal Spindle...

  • Page 91: Component Location Index

    E L E C T R I C A L For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Component Location Index Electrical Cabinet Work Lamp Page 90 Page 94 Master Power Switch Page 90 Coolant Pump Motor Page 92 Spindle Switches Spindle Motor...

  • Page 92: Electrical Cabinet Wiring

    13" Heavy 13 ® Gearhead Lathe E L E C T R I C A L For Machines Mfg. Since 5/11 Electrical Cabinet Wiring Ground MASTER 21 NC 21 NC POWER CONTACTOR CONTACTOR CONTACTOR CONTACTOR Allen Bradley Allen Bradley Allen Bradley Allen Bradley SWITCH C2301...

  • Page 93: Electrical Box

    E L E C T R I C A L For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Electrical Box Figure 138. Electrical box. -91-...

  • Page 94: Spindle Motor

    13" Heavy 13 ® Gearhead Lathe E L E C T R I C A L For Machines Mfg. Since 5/11 Spindle Motor Start Capacitor Capacitor 50MFD 600MFD 350VAC 250VAC Ground Spindle Motor To Electrical Cabinet Page 90 Coolant Pump Motor Wiring To Electrical Cabinet Page 90 Start Capacitor...

  • Page 95: Control Panel Wiring

    E L E C T R I C A L For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Control Panel Wiring Control Panel Figure 139. Control panel location. To Electrical Cabinet Page 90 Stop Button Coolant Pump Button Switch Power...

  • Page 96: Additional Component Wiring

    13" Heavy 13 ® Gearhead Lathe E L E C T R I C A L For Machines Mfg. Since 5/11 Additional Component Wiring End Gear Cover Safety Switch Work Light End Gear Cover Micro Switch Figure 141 Figure 141. End Gear Cover Safety switch location. COMMON X A 1 Chuck Guard...

  • Page 97: Parts

    P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Headstock Cover PART # DESCRIPTION PART # DESCRIPTION PSB10490001 HEADSTOCK OIL FILL CAP PSB10490003 HEADSTOCK TOP COVER PCAP29M CAP SCREW M6-1 X 40 PSB10490004 TOP COVER GASKET -95-...

  • Page 98: Headstock Controls

    13" Heavy 13 ® Gearhead Lathe P A R T S For Machines Mfg. Since 5/11 Headstock Controls -96-...
  • Page 99 P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Headstock Controls Parts List PART # DESCRIPTION PART # DESCRIPTION PSB10490005 SHIFT FORK PSB10490035 SHAFT PRP06M ROLL PIN 5 X 24 PORP018 O-RING 17.8 X 2.4 P18 PSB10490007 RIGHT REAR SHIFT LEVER PSB10490037...

  • Page 100: Headstock Internal Gears

    13" Heavy 13 ® Gearhead Lathe P A R T S For Machines Mfg. Since 5/11 Headstock Internal Gears -98-...
  • Page 101 P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Headstock Internal Gears Parts List PART # DESCRIPTION PART # DESCRIPTION PCAP01M CAP SCREW M6-1 X 16 PSB10490092 KEY 7 X 7 X 53 PSB10490065 CASTING PLUG PORP075...

  • Page 102: Headstock Transfer Gears

    13" Heavy 13 ® Gearhead Lathe P A R T S For Machines Mfg. Since 5/11 Headstock Transfer Gears PART # DESCRIPTION PART # DESCRIPTION PCAP04M CAP SCREW M6-1 X 10 PSB10490131 COMBO GEAR ASSY 21T/42T PORP044 O-RING 43.7 X 3.5 P44 PSB10490134 SPACER PRIV001M...

  • Page 103: Gearbox Gears

    P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Gearbox Gears -101-...
  • Page 104 13" Heavy 13 ® Gearhead Lathe P A R T S For Machines Mfg. Since 5/11 Gearbox Gears Parts List PART # DESCRIPTION PART # DESCRIPTION PSB10490201 SPLINE SHAFT PSB10490232 GEAR 19T PSB10490202 OIL SEAL 20 X 32 X 5MM PSB10490233 GEAR 20T PSB10490203...

  • Page 105: Gearbox Controls

    P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Gearbox Controls -103-...
  • Page 106 13" Heavy 13 ® Gearhead Lathe P A R T S For Machines Mfg. Since 5/11 Gearbox Controls Parts List PART # DESCRIPTION PART # DESCRIPTION PSB10490262 GEARBOX FRONT COVER GASKET PSB10490301 WOODRUF KEY 4 X 13 PSB10490263 PARTITION SCREW PSB10490302 SHAFT PSB10490264...

  • Page 107: Apron Front View

    P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Apron Front View -105-...
  • Page 108 13" Heavy 13 ® Gearhead Lathe P A R T S For Machines Mfg. Since 5/11 Apron Front View Parts List PART # DESCRIPTION PART # DESCRIPTION PSB10490401 COMBO GEAR 18T/60T PORP026 O-RING 25.7 X 3.5 P26 PSB10490402 THRUST WASHER AS3047 PSB10490430 SHAFT BRACKET PRP20M...

  • Page 109: Apron Rear View

    P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Apron Rear View -107-...
  • Page 110 13" Heavy 13 ® Gearhead Lathe P A R T S For Machines Mfg. Since 5/11 Apron Rear View Parts List PART # DESCRIPTION PART # DESCRIPTION PSTB001 STEEL BALL 1/4 PSB10490469 LEVER HUB PSB10490422 GEAR 18T PSB10490470 COMPRESSION SPRING 6 X 27 PORP012 O-RING 11.8 X 2.4 P12 PRP04M...

  • Page 111: Compound Rest & Tool Post

    P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Compound Rest & Tool Post 615A PART # DESCRIPTION PART # DESCRIPTION PSB10490601 TOOL POST LEVER PSB10490617 INDICATOR PLATE PSB10490602 LEVER HUB PSB10490618 LEADSCREW BRACKET PSB10490603 HUB COLLAR PSB10490619...

  • Page 112: Saddle Top View

    13" Heavy 13 ® Gearhead Lathe P A R T S For Machines Mfg. Since 5/11 Saddle Top View 713A -110-...
  • Page 113 P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Saddle Top View Parts List PART # DESCRIPTION PART # DESCRIPTION PSB10490701 GIB ADJUSTMENT SCREW PSTB001 STEEL BALL 1/4 PSB10490702 CROSS SLIDE PSB10490729 COMPRESSION SPRING 6 X 15 PSB10490703 PIVOT PIN PSB10490730...

  • Page 114: Saddle Bottom View

    13" Heavy 13 ® Gearhead Lathe P A R T S For Machines Mfg. Since 5/11 Saddle Bottom View (Viewed from underneath the saddle) PART # DESCRIPTION PART # DESCRIPTION PSB10490741 SPACER PSB10490749 OIL TUBE 6 X 160MM ALUMINUM PSB10490742 GEAR 16T PSB10490750 STRAIGHT ADAPTER 1/8"...

  • Page 115: Micrometer Stop

    P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Micrometer Stop Dial Indicator PART # DESCRIPTION PART # DESCRIPTION PSB1049850 DIAL INDICATOR ASSEMBLY PSB10490800 MICROMETER STOP ASSEMBLY PSB10490851 DIAL PLATE PCAP71M CAP SCREW M10-1.5 X 60 PSB10490852 PIVOT ROD PRIV001M...

  • Page 116: Bed & Shafts

    13" Heavy 13 ® Gearhead Lathe P A R T S For Machines Mfg. Since 5/11 Bed & Shafts -114-...
  • Page 117 P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Bed & Shafts Parts List PART # DESCRIPTION PART # DESCRIPTION PSB10490901 BED (SB1049) PSB10490936 CLUTCH COLLAR PSB10500901 BED (SB1050) PSB10490937 CLUTCH BUSHING PSB10490902 BED STOP BOLT PSB10490938 TAPER PIN #4 X 1-1/4"...

  • Page 118: End Gears

    13" Heavy 13 ® Gearhead Lathe P A R T S For Machines Mfg. Since 5/11 End Gears 1005 1004 1014 1003 1002 1001 1013 1010 1009 1008 1007 1015 1006 1012 1007 1008 1006 1006 1011 1019 1018 1016 1017 PART # DESCRIPTION...

  • Page 119: Main Motor

    P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Main Motor -117-...
  • Page 120 13" Heavy 13 ® Gearhead Lathe P A R T S For Machines Mfg. Since 5/11 Main Motor Parts List PART # DESCRIPTION PART # DESCRIPTION 1101 PSB10491101 END GEAR COVER 1130 PW08M FLAT WASHER 16MM 1102 PSB10491102 KNURLED KNOB M10-1.5 1131 PSB10491131 RUBBER SHOCK ABSORBER...

  • Page 121: Stands & Panels

    P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Stands & Panels -119-...
  • Page 122 13" Heavy 13 ® Gearhead Lathe P A R T S For Machines Mfg. Since 5/11 Cabinets & Panels Parts List PART # DESCRIPTION PART # DESCRIPTION 1201 PSB10491201 BRAKE PEDAL ROD (SB1049) 1224 PCAP26M CAP SCREW M6-1 X 12 1201 PSB10501201 BRAKE PEDAL ROD (SB1050)

  • Page 123: Tailstock

    P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Tailstock 1301 1303 1305 1304 1346 1300 1306 1307 1308 1309 1304 1314 1313 1310 1342 1343 1347 1344 1317 1341 1311 1322 1312 1321 1318 1319...

  • Page 124: Tailstock Parts List

    13" Heavy 13 ® Gearhead Lathe P A R T S For Machines Mfg. Since 5/11 Tailstock Parts List PART # DESCRIPTION PART # DESCRIPTION 1300 PSB10491300 TAILSTOCK ASSEMBLY 1332 PSB10491332 V-WAY WIPER 1301 PSB10491301 TAILSTOCK LEADSCREW 1333 PSB10491333 V-WAY WIPER PLATE 1302 PSB10491302 LEADSCREW NUT...

  • Page 125: Steady Rest

    P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Steady Rest Follow Rest 1401 1451 1402 1403 1400 1452 1404 1453 1405 1406 1409 1407 1408 1454 1410 1450 1412 1411 1455 1456 1457 1416 1414...

  • Page 126: Electrical Cabinet & Control Panel

    13" Heavy 13 ® Gearhead Lathe P A R T S For Machines Mfg. Since 5/11 Electrical Cabinet & Control Panel Electrical Cabinet 1503 1517 1517 1502 1502 1501 1504 1505 1506 1508 1507 1515 1509 1516 1510 Control Panel 1513 1511 1512...

  • Page 127: Accessories

    P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Accessories 1553-1 1554 1555 1552 1553-2 1556 1551 1569 1568 1557 1553 1558 1561 1559 1562 1563 1566 1564 1565 1567 PART # DESCRIPTION PART # DESCRIPTION 1551...

  • Page 128: Front Machine Labels

    13" Heavy 13 ® Gearhead Lathe P A R T S For Machines Mfg. Since 5/11 Front Machine Labels 1619 1620 1618 1601 1602 1617 1603 1616 1615 1604 1605 1614 1613 1607 1611 1609 1608 1606 1610 1612 The safety labels provided with your machine are used to make the operator aware of the machine hazards and ways to prevent injury.

  • Page 129: Rear & Side Machine Labels

    P A R T S For Machines Mfg. Since 5/11 13" Heavy 13 ® Gearhead Lathe Rear & Side Machine Labels 1624 1613 1621 1613 1613 1623 1622 PART # DESCRIPTION PART # DESCRIPTION 1601 PSB10491601 SPINDLE SPEED WARNING LABEL 1613 PSBLABEL02HS DISCONNECT WARNING LABEL...

  • Page 131: Warranty

    W A R R A N T Y Warranty This quality product is warranted by South Bend Lathe Company to the original buyer for one year from the date of purchase. This warranty does not apply to consumable parts, or defects due to any kind of misuse, abuse, negligence, accidents, repairs, alterations or lack of maintenance.
  • Page 132 Printed In U.S.A. #TS14496...

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