Jet Tools 22-44 Pro operating instructions Replacing Drum Bearings

Page 23

4.After the machine has run for about 30 minutes, stop to check that the set screws and bearing bolts are still tight.

NOTE: It may be necessary to re-align the tension rollers after rotating the drum bearings. See page 18.

Replacing Drum Bearings

If the bearings are squealing or are loose, they may need replacing.

1.Unplug sander from power source and remove dust cover.

2.Raise conveyor table until the sanding drum rests on the conveyor.

3.Outboard: Remove the two knobs and washers that are holding the bearing in place. Loosen the two set screws in the bearing collar and slide the bearing off the end of the drum (Figure 41).

4.Install a new bearing on the shaft of the drum and tighten the bolts. Tighten the set screws in the bearing collar. Make sure the bolts go through the drum shield and tension roller support brackets (see exploded view, page 36).

5.Inboard: Remove outer half of belt guard by removing the six #10-32 screws in the guard. Slide the belt guard away from the v- belt.

6.Release v-belt tension by loosening pinch bolt in motor support and raising motor.

7.Loosen the set screw in the driven pulley and remove the pulley from the shaft.

8.Remove the bolts holding the inboard (right) bearing in place. See Figure 40. Slide the inner half of the upper belt guard off the end of the shaft along with the bearing.

9.Install the new bearing on the shaft and install the inner half of the upper belt guard in the same manner as it was removed. Make sure the bolts go through the tension roller brackets and drum shield. Install the new inboard bearing.

10.Center the drum between the carriage legs before tightening bolts. Tighten the bolts in the bearing and the set screws in the bearing collar.

11.Install the driven pulley (shown in Figure 40) making sure it aligns with the drive pulley on the motor. Tighten the set screw.

12.Install the outer half of the belt guard cover and tighten the six #10-32 screws.

Figure 40

Figure 41

13.Align the drum and tension v-belt according to instructions in this manual.

14.Check all bolts and set screws for tightness, and check them again after sanding for 30 minutes.

23

Image 23
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 Dust Cover AdjustmentsSwitch Lockout Extension CordsPage 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.