Grizzly G8146Z, G8145Z, G8144Z owner manual Belt Pulley Tensioning Alignment Replacing V-Belts

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tensioning/replacing v-belts

V-Belt Pulley

Tensioning/

Alignment

Replacing V-Belts

 

 

 

 

 

 

The correct alignment of the motor and lower wheel pulleys helps to ensure correct and even tension of the V-belts, proper power transmission, and reduced V-belt heat and wear during opera- tion.

Remove the rear motor access panel, and use a straightedge across both pulleys, as shown in Figure 47, to check the pulley alignment.

Wheel Pulley

Hex Bolts

Figure 47. Checking pulley alignment.

If necessary, use a 19mm wrench to loosen the two hex nuts securing the wheel pulley to its shaft, align the wheel pulley with the motor pulley, then re-tighten the hex bolts.

To ensure optimum power transfer from the motor to the blade without slipping, the V-belts must be in good condition and operate under proper ten- sion. Check V-belt tension at least every three months—more often if the bandsaw is used daily. V-belts stretch with use and must be periodically re-tensioned.

Replace the V-belts as a matched set if they are cracked, frayed, or excessively worn.

To check/tension/replace the V-belts:

1.DISCONNECT BANDSAW FROM POWER!

2.Remove the rear motor access panel.

3.Make sure the motor and lower wheel pulleys are correctly aligned.

4.Push the center of each V-belt as illustrated in Figure 48, using moderate force. When tensioned correctly, the deflection should be about 3⁄4".

Pulley

Deflection

Pulley

Figure 48. Checking for correct V-belt tension.

G8144Z/G8145Z/G8146Z

-41-

(Manufactured Since 6/11)

 

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Contents Variable Speed Vertical Metal Cutting Bandsaw Page Table of Contents Foreword IntroductionContact Info Machine Data Sheet Main Specifications Operation Info G8145Z Machine Data Sheet 108 1800 FPM G8146Z Machine Data Sheet 105 2100 FPM Model G8144Z/G8145Z Basic Identification Model G8146Z Basic Identification Model G8146Z only Control Panel IdentificationHearing PROTECTION. Always wear hear SafetySafety Instructions for Machinery Wearing Proper APPAREL. Do not wearSafety Instructions for Machinery Safety Instructions for Metal Cutting Bandsaws 220V Operation Circuit RequirementsUnpacking SetupSetup Safety Items Needed for SetupFloor Load Clean UpPlacement Location Site ConsiderationsMoving & Placing Mounting to Shop FloorBolting to Concrete Floors Model G8144Z/G8145Z Control Panel Test RunTo test run the bandsaw Model G8146Z onlyModel G8146Z only Operations Operation Safety Basic ControlsModel G8144Z/G8145Z Model G8144Z/G8145Z blade Controls Model G8146ZBlade Width Blade SelectionBlade Terminology Blade LengthTooth Type Tooth SetTo select the correct blade pitch Blade Pitch TPIBlade Break-In Blade BreakageBlade Care Break-In Blade CareChip Inspection Chart To replace the blade Cutting Overview Blade ChangesTo correctly tension the blade Blade TensioningModel G8146Z Figure Guide PostTo properly position the guide post Model G8144Z/G8145Z FigureTo properly adjust the upper and lower blade guides Adjusting Blade GuidesTo adjust the table tilt Adjusting Table TiltBlade Welding Using the blade shear to cut BladeBlade clamping pressure chart Blade Width Pressure SettingCorrect Not Correct Correct Not CorrectModel Material Length Width AccessoriesGrizzly Bandsaw Blades H5408-Blade Tensioning GaugeRedressing Rubber Tires MaintenanceCleaning ScheduleLubrication Troubleshooting ServiceMotor & Electrical Cutting Operations To check/tension/replace the V-belts Belt Pulley Tensioning Alignment Replacing V-BeltsCoplanarity Gauge Wheel AlignmentChecking Wheel Coplanarity Adjusting Lower WheelTo adjust the table square to the blade To adjust the Model G8146Z upper wheelAligning Table To Blade Blade Guides Support See Figure G8144Z/G8145Z Control Panel & Inverter Wiring DiagramG8144Z/G8145Z Electrical Components Digital display wiring see wiring Diagram onControl Panel G8146Z Electrical & Control Wiring DiagramSee on G8146Z Inverter Wiring DiagramG8146Z Electrical Components Control panel wiring see wiringG8144Z/G8145Z Motor Wiring DiagramSee See G8146Z Welding Station Wiring DiagramParts G8144Z Cabinet Breakdown & Parts List124 G8144Z Table & Guides Breakdown Parts ListG8144Z Drive System Breakdown G8145Z Cabinet Breakdown & Parts List G8145Z Table & Guides Breakdown Parts List G8145Z Drive System Breakdown G8146Z Cabinet Breakdown & Parts List G8146Z Table & Lower Guide Breakdown Parts List G8146Z Motor & Lower Wheel Breakdown Parts List Description G8146Z Guide Post Breakdown & Parts ListG8146Z Upper Wheel Breakdown & Parts List Welder Station Breakdown Welder Station Parts List Label Placement & List Comments Warranty CardBOX BELLINGHAM, WA Grizzly INDUSTRIAL, INCWarranty and Returns Order Hours a DAY
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G8144Z, G8146Z, G8145Z specifications

Grizzly G8145Z, G8146Z, and G8144Z are a trio of high-performance wood lathe machines designed for serious woodworkers and artisans. Each model in this series provides distinct features and capabilities that cater to various turning needs, from hobbyist projects to professional craftsmanship.

The Grizzly G8145Z is particularly known for its robust construction and versatility. It features a powerful 2 HP motor that delivers ample torque for handling both hard and softwoods with ease. The lathe's variable speed control allows users to adjust speeds from 600 to 2400 RPM, providing flexibility for a wide range of turning applications. The 14-inch swing over bed and a 40-inch between centers make it suitable for turning larger pieces, with precise control afforded by its heavy-duty cast iron bed.

The G8146Z model ups the ante with enhanced features geared toward professional woodturners. It boasts a larger 16-inch swing and a 48-inch distance between centers, accommodating more extensive workpieces. The innovative digital readout provides accurate spindle speed and position information, which enhances user precision and convenience. Additionally, the G8146Z comes with an advanced electronic speed control system that maintains consistent speeds under load, ensuring smooth operation no matter the project.

Complementing this impressive lineup is the G8144Z, a lathe designed with both user-friendliness and versatility in mind. With a 1 HP motor, it is perfectly suited for beginners and intermediate woodworkers alike. The G8144Z features a 12-inch swing and a 36-inch bed length, making it an excellent choice for smaller projects while still capable of handling a variety of turning tasks. Its easy-to-use tailstock and tool rest adjustments make setup and operation straightforward, allowing users to focus on their creativity rather than on mechanisms.

All three models come with several safety features, including a quick release tailstock and a spindle lock, ensuring secure operation. Moreover, they are equipped with robust dust ports that help maintain a clean workspace. Each lathe also supports various accessories, such as different types of tool rests and faceplates, giving woodworkers the options they need for specialized turning.

In conclusion, the Grizzly G8145Z, G8146Z, and G8144Z wood lathes stand out in their class due to their powerful motors, adjustable speeds, and user-friendly designs. Whether you’re a novice looking to develop your skills or a seasoned pro producing intricate designs, these lathes provide excellent performance and reliability for all your woodturning projects.
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