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Summary of Contents for Jet 22-44 Pro-3
- Page 1 This .pdf document is bookmarked Operating Instructions and Parts Manual Drum Sander Model 22-44 Pro-3 427 New Sanford Road Part No. M-649600 LaVergne, Tennessee 37086 Revision B 03/2016 Ph.: 800-274-6848 ECR 16020409184 www.jettools.com Copyright © 2014 JET...
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Page 2: Warranty And Service
JET sells through distributors only. The specifications listed in JET printed materials and on official JET website are given as general information and are not binding. JET reserves the right to effect at any time, without prior notice, those alterations to parts, fittings, and accessory equipment which they may deem necessary for any reason ®... -
Page 3: Table Of Contents
Table of Contents Warranty and Service ..........................2 Table of Contents ............................ 3 Warning ..............................4 Introduction ............................. 6 Specifications ............................6 Features and Terminology ........................7 Unpacking ............................... 8 Hardware ............................. 8 ... -
Page 4: Warning
5. Do not use this sander for other than its intended use. If used for other purposes, JET disclaims any real or implied warranty and holds itself harmless from any injury that may result from that use. - Page 5 23. Stand to one side of the conveyor and make sure no one else is standing in line with the conveyor while feeding into the machine. Should a part slip while being fed, it may exit the machine at a high rate of speed and can cause injuries to anyone standing directly in front of the infeed.
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Page 6: Introduction
Introduction This manual is provided by JET covering the safe operation and maintenance procedures for a JET Model 22-44 Pro-3 Drum Sander. This manual contains instructions on installation, safety precautions, general operating procedures, maintenance instructions and parts breakdown. This machine has been designed and constructed to provide consistent, long-term operation if used in accordance with instructions set forth in this manual. -
Page 7: Features And Terminology
Features and Terminology The illustration below shows the major components and features of the 22-44 Pro-3 Sander. These are referenced throughout the manual and will help to familiarize you with the operation and functions of the machine. Features Read and understand the entire contents of this manual before attempting set-up... -
Page 8: Unpacking
Hardware Unpacking Note: The letter designators identifying parts on Compare the contents of your container with the this page are used throughout this manual for following parts list to make sure all parts are reference convenience. intact. Missing parts, if any, should be reported 08 Hex Cap Screw, 3/8”x1-1/2”... -
Page 9: Assembly
Assembly Tools required for assembly: Hoist, forklift, or one or more assistants Wrenches – 9/32”, 1/2” , 9/16” Hex wrenches – 4mm, 1/8” Install Stand Legs The sander is heavy; use caution when lifting. 1. Raise the sander from the floor using a forklift, hoist or an assistant. -
Page 10: Handwheel Installation
Handwheel Installation Mount the handwheel to the top of the height adjustment screw (Figure 4). Align one of the set- screws with the flat on the height adjustment screw, and tighten both set-screws. Install the knob to the threaded hole in the handwheel, and tighten the hex nut against the handwheel. -
Page 11: Leveling The Sander
7. The table (U) should be positioned even with or slightly below the conveyor belt surface. To check position, place a level or straightedge near the left side of the conveyor and extending out over the table, as shown in Figure 8. Raise the conveyor table until the drum holds the straightedge in place, and adjust the infeed table until it is even with or slightly below the... -
Page 12: Installing Abrasives
Installing Abrasives An 80-grit abrasive strip is already installed on the drum of your sander. Page 28 offers information on the types of abrasive and their recommended uses. Proper attachment of the abrasive strip to the drum is critical to achieving top performance from your drum sander. - Page 13 8. You can use your fingers to work the infeed take-up fastener, but it will be more convenient to use the TUFTool (Y, Fig. 13) supplied with your sander. Hold the TUFTool with the red end pointing away from you (Figure 13) and insert its hook into the outside hole of the fastener lever (see Figure 15).
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Page 14: Grounding Instructions
Grounding Instructions Extension Cords If an extension cord is necessary, make sure the Electrical connections must cord rating is suitable for the amperage listed on be made by a qualified electrician in the machine's motor plate. An undersized cord compliance with all relevant codes. This will cause a drop in line voltage resulting in loss machine must be properly grounded to help of power and overheating. -
Page 15: Adjustments
adjusting screw supports can be adjusted by Adjustments loosening the set-screws which secure them to the columns, and rotating the supports to proper position. Dust Cover 4. Check the miter gear alignment. To access the drum, lift the front of the dust The miter gears can be adjusted on their cover using the handle and push back the front shafts by prying off their protective caps with... -
Page 16: Depth Gauge/Depth Stop
Depth Gauge/Depth Stop Digital Scale Depth Guage Description The depth gauge (AA, Figure 18) measures the The digital scale can be used to measure the distance between the conveyor table and the distance between the conveyor table and the sanding drum for thickness dimensioning of sanding drum (Absolute measurement) for boards. - Page 17 turn it off while in absolute (“ABS”) mode, your absolute setting will default to zero. When finished: 5. Press and hold the SET button until indicator MM/INCH “SET” flashes, Pressing this button toggles back and forth 6. Press SET again (no longer than 1 second). between standard (inches) and metric (mm), and The indicator “SET”...
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Page 18: Drum Alignment
Drum Alignment The sanding drum must be aligned parallel to the conveyor table for proper machine operation. The sanding drum has been pre-aligned at the factory and should not require immediate adjustment, although it is recommended that you confirm the alignment before operating the sander. -
Page 19: Fine-Tuning Drum Alignment
Fine-Tuning Drum Alignment The 22-44 Pro-3 is equipped with a drum adjuster mechanism that allows easy fine tuning or changing of drum alignment without repeating the intial drum alignment procedure. 1. Raise drum adjustment lever (Figure 23) so that it just engages the side of drum carriage leg. -
Page 20: Trackers
Trackers The sander comes equipped with “Trackers”, ceramic guides that reduce the amount of adjustments needed to keep the conveyor belt tracked (centered) on the conveyor bed (see Figure 26). These guides have a magnetic backing to keep them in place. If a Tracker wears through, it can be reversed by turning it over. -
Page 21: Adjusting Table Supports
Adjusting Table Supports 1. If the conveyor table does not rise and lower easily, measure the distance between the top of the base column support and the bottom of the table support on both the inboard and the outboard side of the machine. See Figures 29 and 30. -
Page 22: Rotating Drum Bearings
Rotating Drum Bearings Bearings should be replaced when they allow excessive play of the drum, make excessive noise or otherwise indicate failure. If clicking noises in the bearings are a problem, rotating may be a solution instead of replacement, as follows: 1. - Page 23 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.
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Page 24: Operation
5. Feed stock through machine. sanding. To feed stock through the 22-44 Pro-3, rest and Begin experimenting with the feed rate set at hold the board to be sanded on the conveyor about 40% to 50% of maximum. -
Page 25: Tips For Maximum Performance
After the crown has been removed and the top is flat, The versatility designed into the 22-44 Pro-3 turn the stock over and sand the opposite side. drum sander allows it to be used for a wide... -
Page 26: Maintenance
Angling the workpiece for stock removal provides other advantages, such as less loading of certain areas of the drums due to glue lines or mineral streaks in the stock, more even wear of abrasive strips, potentially faster feed rates, and lighter loads on the motor. -
Page 27: Tracker Kit
Tracker Kit Stock No.: 98-0080 8. Install second Tracker opposite the first. Use both Trackers unless the second one does Trackers dramatically reduce tracking adjust- not fit in conveyor or if conveyor belt is ments of conveyor belts. They are already damaged. -
Page 28: Abrasives
Abrasive Selection Guide (below) shows the take all precautions to avoid any contact of general uses for the various grits. JET offers hands or clothing with the rotating drum. abrasives in most of the grits shown – consult Cloth-backed abrasives can be cleaned by the stock numbers on page 32 to order. -
Page 29: Troubleshooting
Troubleshooting Troubleshooting – Motor and Electrical Problems Trouble Probable Cause Remedy Check plug connections. Connect No incoming power. main cord to power source, and motor cord into control box receptacle. Sander will not start. Circuit fuse blown or breaker tripped. Replace fuse or re-set breaker. -
Page 30: Troubleshooting - Mechanical Problems
Troubleshooting – Mechanical Problems Trouble Probable Cause Remedy Conveyor belt does Align the shaft flats of the gear motor Shaft coupling (#11, page 38) is loose not move, or runs and the drive roller and tighten the or unattached. intermittently. shaft-coupling setscrews. -
Page 31: Troubleshooting - Operational Problems
- Worn v-belt – replace. - Warped drive pulley – replace. - Drum out of balance – contact your dealer or JET authorized service center. Sniping of wood Tension rollers set too low. Re-set tension rollers; see page 21. -
Page 32: Optional Accessories
Optional Accessories 98-2201 Infeed/Outfeed Tables 98-0130 Casters (set of 4) 60-2036 Ready-To-Wrap Abrasive Strip, 36 Grit, (4 wraps in a box) 60-2060 Ready-To-Wrap Abrasive Strip, 60 Grit, (4 wraps in a box) 60-2080 Ready-To-Wrap Abrasive Strip, 80 Grit, (4 wraps in a box) 60-2100 Ready-To-Wrap Abrasive Strip, 100 Grit, (4 wraps in a box) -
Page 33: Infeed And Outfeed Tables
Infeed and Outfeed Tables Index No. Part No. Description Size 1 ....40-0329 ....Infeed/Outfeed Table ................2 2L ..... 40-0327 ....Mounting Bracket (LH) ................2 2R .... 40-0328 ....Mounting Bracket (RH) ................. 2 3 ....TS-0081031 .....Hex Cap Screw ........... 5/16”-18x3/4” ....4 4 .... -
Page 34: Stand Assembly
Stand Assembly Index No. Part No. Description Size 1 ....31-0027 ....Handwheel Assembly ........8”O.D., 1/2” I.D....1 2 ....TS-0270031 .....Socket Set-screw......... 5/16”-18x3/8” ....2 3 ....BB-R8ZZ....Bearing....................4 4 ....80-4015 ....Plastic Cap ..........3” ........2 5 .... - Page 35 Stand Assembly...
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Page 36: Drum Head Assembly
Drum Head Assembly Index No. Part No. Description Size 1 ....30-0002W ....Drum Carriage Arm ................1 2 ....30-0015W ....Clamp Jaw ................... 1 3 ....TS-0561031 .....Hex Nut ............3/8”-16 ......1 4 ....TS-0680041 .....Flat Washer ..........3/8” ........6 5 .... - Page 37 Drum Head Assembly...
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Page 38: Conveyor And Motor Assembly
Conveyor and Motor Assembly Index No. Part No. Description Size 1 ....72-2250-01 ....Knob ....................1 2 ....2244PRO3-402 ... Control Housing Bracket ..............1 3 ....72-2250-05 ....Set-screw Slotted ........#8-36UNFx5/16” ....1 4 ....2244PRO3-404 ... SandSmart Controller ................ 1 5 .... - Page 39 Conveyor and Motor Assembly Index No. Part No. Description Size 51 ..... 3735141...... Spacer ..................... 1 52 ..... 72-2250-02 ....Speed Adjustment Label..............1 53 ..... 40-4018 ...... Wiring Guard ..................1 54 ..... TS-0560081 ....Hex Nut ............ #10-32 ......2 55 .....
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Page 40: Electrical Schematic
Electrical Schematic BLACK BLACK WHITE WHITE GROUND GREEN GREEN GREEN WHITE BLACK...
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