Jet Tools 22-44 Pro operating instructions Troubleshooting Motor and Electrical Problems

Page 29

Troubleshooting: Motor and Electrical Problems

Trouble

Sander will not start.

Drum motor overloads.

Conveyor motor oscillates.

Drum motor or conveyor motor stalls.

Motor overload protector trips or shop wiring breaker trips.

Probable Cause

Remedy

 

 

 

Check plug connections. Connect

No incoming power.

main cord to power source, and motor

 

cord into control box receptacle.

 

 

Circuit fuse blown or breaker tripped.

Replace fuse or re-set breaker.

 

 

Switch is malfunctioning.

Replace switch.

 

 

Inadequate circuit.

Check electrical requirements.

 

 

Feed rate too fast or depth of cut too

Reduce feed rate and/or depth of cut.

large.

 

 

 

Motor not properly aligned.

Loosen housing bolts, run motor, re-

tighten bolts.

 

 

 

Transfer rod collar is worn.

Replace transfer rod collar.

 

 

Drive roller bent.

Replace drive roller.

 

 

Excessive depth of cut.

Reduce depth of cut; use coarser grit;

reduce feed rate.

 

 

 

Improper conveyor belt tension.

Adjust tension (see page 19).

 

 

Excessive load on sanding drum and

Allow motor to cool and re-set

motor.

overload button.

 

 

 

Connect sander to a dedicated circuit.

Too many tools on circuit.

Have a certified electrician correct

 

any shop wiring problem.

 

 

Excessive length or inadequate size

Use a shorter or heavier gauge

extension cord.

extension cord (see Figure 20).

 

 

Troubleshooting: Mechanical Problems

Trouble

Probable Cause

Remedy

 

 

 

Conveyor belt does

Shaft coupling (#11, page 38) is loose

Align the shaft flats of the gear motor

not move, or runs

and the drive roller and tighten the

or unattached.

intermittently.

shaft-coupling setscrews.

 

 

 

 

Conveyor belt slips

Improper conveyor belt tension.

Adjust belt tension.

 

 

 

Reduce depth of cut; reduce feed

on drive roller.

Excessive depth of cut or feed rate.

 

rate.

 

 

 

 

 

 

Tension rollers too high.

Lower tension rollers (see page 18).

 

 

 

Board slips on

Excessive feed rate.

Reduce feed rate.

 

 

Dirty or worn conveyor belt.

Replace conveyor belt.

conveyor belt.

 

 

 

 

Abrasive improperly wrapped.

Read “Installing Abrasives” on pages

 

12 and 13.

 

 

 

 

 

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Contents Drum Sander Warranty and Service Table of Contents Page Page 44 2 passes Introduction SpecificationsFeatures and Terminology Unpacking Contents of the Shipping ContainerTable Support Screws AssemblyInstall Stand Legs Infeed and Outfeed Tables Optional Install HandwheelInstall Conveyor Table Dust Collection Leveling the SanderInstalling Abrasives Page Grounding Instructions Switch Lockout AdjustmentsExtension Cords Dust CoverPage Drum Alignment Depth Gauge CalibrationInitial Drum Alignment Conveyor Belt Tension and Tracking Trackers Conveyor Belt ReplacementAdjusting Table Supports Tension Roller AdjustmentRotating Drum Bearings Replacing V-BeltReplacing Drum Bearings Operation Dust Collection Keeping the Machine Clean MaintenanceUnderside of conveyor shown Tracker KitAbrasive Selection Guide AbrasivesTroubleshooting Motor and Electrical Problems Trouble Troubleshooting Operational Problems Trouble Probable Cause Remedy Replacement Parts Optional AccessoriesStand Assembly Index No. Part No Description Size Qty Parts List Stand AssemblyDrum Head Assembly Parts List Drum Head Assembly Conveyor and Motor Assembly Parts List Conveyor and Motor Assembly Infeed and Outfeed Tables 98-2201 Optional Accessory Electrical Connections Page Page WMH Tool Group

22-44 Pro specifications

The Jet Tools 22-44 Pro drum sander stands out as one of the leading machines in the woodworking industry, known for its exceptional performance and durability. Aimed at both professional woodworkers and serious hobbyists, this tool boasts a range of features that enhance efficiency and precision, making it a valuable addition to any workshop.

One of the primary features of the Jet 22-44 Pro is its powerful 1.75 HP motor. This motor ensures consistent and reliable operation, allowing users to tackle a variety of sanding tasks with ease. The machine operates at 1,800 RPM, providing quick and efficient material removal. The adjustable table height allows for a maximum sanding width of 22 inches, accommodating larger workpieces for versatility in projects.

In terms of technology, the Jet 22-44 Pro employs a unique, patented drum design that ensures even sanding across the entire surface. This design minimizes the risk of snipe, a common problem in sanders that can result in uneven finish on workpieces. The 44-inch long sanding drum provides ample surface area, which aids in achieving a flawless finish without the need for excessive passes.

The tool features an adjustable infeed and outfeed table, ensuring optimal material support and stability during sanding operations. This feature is particularly beneficial for larger boards, as it prevents warping and allows for more accurate sanding. Additionally, the integrated dust collection system enhances cleanliness by efficiently capturing dust and debris, promoting a healthier working environment.

The Jet 22-44 Pro is equipped with a micro-adjustable sanding drum, allowing users to make precise depth adjustments for different applications. This functionality makes it easy to switch between various grits without sacrificing accuracy. Furthermore, the machine’s sturdy construction and robust frame reduce vibration during operation, contributing to improved accuracy and reduced fatigue during prolonged use.

The user-friendly design of the Jet 22-44 Pro also includes safety features such as an emergency stop button and integrated overload protection. This ensures that the machine can be operated safely, with features in place to prevent damage to both the tool and the user.

In summary, the Jet Tools 22-44 Pro drum sander combines power, versatility, and advanced technology to deliver an outstanding finishing tool for woodworkers. Its robust motor, unique drum design, and user-friendly features make it a top choice for anyone looking to enhance their woodworking capabilities.
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