Page 2 - WARNING – To reduce risk of injury:
2 1.0 IMPORTANT SAFETY INSTRUCTIONS WARNING – To reduce risk of injury: 1. Read and understand the entire owner's manual before attempting assembly or operation. 2. Read and understand the warnings posted on the machine and in this manual. Failure to comply with all of these warnings may cause serio...
Page 3 - About this manual
3 28. Do not stand on the machine. Serious injury could occur if the machine tips over. 29. Never leave the machine running unattended. Turn the power off and do not leave the machine until it comes to a complete stop. 30. Remove loose items and unnecessary work pieces from the area before starting ...
Page 4 - Table of contents; Section
4 3.0 Table of contents Section Page 1.0 IMPORTANT SAFETY INSTRUCTIONS ....................................................................................................... 2 2.0 About this manual ......................................................................................................
Page 6 - Specifications
6 4.0 Specifications Table 1 Model number JWDS-2244 JWDS-2550 Stock numbers Sander/conveyor 723540B 723550B Sander/conveyor/open stand 723540OSK 723550OSK Sander/conveyor/closed stand 723544CSK Accessories (separate purchase unless indicated otherwise) Open stand 723540OS 723550OS Closed stand 72354...
Page 8 - Features and Terminology
8 5.0 Features and Terminology The illustration below shows the major components and features of the JWDS-2244/2550 Sanders. These are referenced throughout the manual and will help to familiarize you with the operation and functions of the machine. Figure 5-1: features
Page 9 - Setup and assembly; Shipping contents; Tools required for assembly
9 Read and understand the entire contents of this manual before attempting set-up or operation! Failure to comply may cause serious injury. NOTE: Figures in this manual may show Sander with stand, extension tables and/or depth stop assembly. These are optional accessories depending upon your model, ...
Page 10 - Assembling stand; Handle and hose hanger
10 Figure 6-3: Assembly of Sander and OPTIONAL Infeed/Outfeed Tables 6.3 Assembling stand An open stand is provided standard with the JWDS-2244 Sander. An open or closed stand is available as an optional accessory (separate purchase) for the JWDS-2550 Sander. Refer to the assembly instructions that ...
Page 11 - Dust collection; Installing abrasives
11 Align infeed table with sander’s conveyor table as follows. See Figures 6-3 and 6-4. 6. Place a straight-edge at one side of conveyor table under drum and extending out over infeed table. See Figure 6-4. You may wish to lower drum until it contacts the straight edge to hold it in place. 7. Raise ...
Page 12 - Electrical connections; GROUNDING INSTRUCTIONS
12 2. Release fastener lever to secure end of strip. 3. Begin wrapping abrasive around drum. The tapered edge of strip end should follow as closely as possible to edge of drum. 4. Continue wrapping abrasive in spiral fashion by rotating drum with one hand and guiding strip with the other. See Figure...
Page 13 - Extension cords; Adjustments; Drum Height Control
13 Figure 7-1 Figure 7-2 7.2 Extension cords The use of extension cords is discouraged; try to position machines near the power source. If an extension cord is necessary, make sure it is in good condition. When using an extension cord, be sure to use one heavy enough to carry the current your produc...
Page 14 - Belt tension adjustment; Trackers; Inspecting drum alignment
14 Figure 8-1 8.4 Infeed/Outfeed Table Adjustment (OPTIONAL) The optional tables can be swung down to allow easier access for abrasive wrapping or other adjustments. Loosen handles on each side, slide table away from machine and then down. See Figure 8-2. Figure 8-2 8.5 Conveyor belt tension/trackin...
Page 15 - Fine-tuning drum alignment; Tension roller adjustment
15 2. Open dust cover and remove abrasive strip from drum. 3. Insert gauge (A, Figure 8-4) between drum and conveyor table at outboard side. Figure 8-4: drum alignment 4. With dust cover open, lower sanding drum while slowly rotating drum by hand, until drum lightly contacts gauge. NOTE: Make sure d...
Page 16 - Operations; Basic Operating Procedure; Switch safety key; Establishing drum height; Selecting SandSmartTM feed rates
16 9.0 Operations Before using the drum sander, review the previous sections on initial set-up and adjustment. Before operating, make sure an abrasive strip is mounted and a proper dust collection system is connected. 9.1 Basic Operating Procedure 1. Establish depth of cut. 2. Start dust collection ...
Page 17 - Maximum performance tips
17 depend on a number of factors, including type of stock, grit and depth of cut used, and whether the stock is fed directly in line with the conveyor table or at an angle. If the drum motor is lugging down, if conveyor belt is slipping, or if you observe a ripple effect on the stock, slow the feed ...
Page 18 - Cleaning and lubrication; Drum maintenance
18 9.6.6 Face frames and raised panel doors It is very important to have the proper abrasive contact when doing this type of sanding. If the machine is set to take an excessive depth of cut, the result can be a gouge or dip as the drum goes from sanding the rails at full width to sanding just a few ...
Page 19 - Conveyor belt replacement; Commutator brush inspection; Additional servicing
19 10.3 Conveyor belt replacement 1. Disconnect sander from power source/unplug. 2. Raise drum to highest position. 3. Remove infeed/outfeed tables, if installed. 4. Turn take-up screws (see Figure 8-3) on both sides of conveyor to relieve belt tension, and slide the driven roller fully inward. 5. R...
Page 20 - Tracker kit
20 11.0 Tracker kit Stock No.: PM2244-213 Trackers dramatically reduce tracking adjustments of conveyor belts. They are already installed on your sander. The following information is for resetting or replacing your trackers, should that become necessary. 1. Disconnect power to sander. 2. Raise drum ...
Page 21 - Abrasives; Selecting drum abrasives; Increasing abrasive life
21 12.0 Abrasives The abrasive material you choose will have a substantial effect on the performance of your sander. Variations in paper type, weight, coating and durability all contribute to achieving your desired finish. JET Abrasives are available in Ready-To-Wrap TM pre-cut lengths or in the con...
Page 24 - Optional accessories; Replacement Parts
24 14.0 Optional accessories For JWDS-2244: 723541 Folding Infeed/Outfeed Tables for JWDS-2244 723552 Digital Read Out 723553 Depth Stop Assembly 98-0130 Locking Casters for Open Stand, set of 4 The following abrasives are available only for model JWDS-2244 (Abrasive strips are 3” wide, cloth backed...
Page 26 - JWDS-2244 Head Assembly – Parts List; Index No Part No
26 15.1.2 JWDS-2244 Head Assembly – Parts List Index No Part No Description Size Qty 1 ................ JWDS2244-101 ......... Dust Hood ................................................................ ...................................... 1 .................. JWDS2550-101 ......... Dust Hood ........
Page 33 - (OPTIONAL) 723550OS Open Stand Assembly for JWDS-2550 – Parts List
33 15.4.2 723540OS Open Stand Assembly for JWDS-2244 – Parts List Index No Part No Description Size Qty .................. 723540OS ................. Open Stand Assembly for JWDS-2244 (includes #1-11) ............................... 1 1 ................ JWDS1632-301 ......... Leg ......................
Page 39 - Warranty and service
39 17.0 Warranty and service JET warrants every product it sells against manufacturers’ defects. If one of our tools needs service or repair, please contact Technical Service by calling 1-800-274-6846, 8AM to 5PM CST, Monday through Friday. Warranty Period The general warranty lasts for the time per...
