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Troubleshooting – Mechanical Problems

Trouble Probable

Cause

Remedy

Conveyor belt does not
move, or runs
`intermittently.

Shaft coupling (#20, page 30) is loose or
unattached.

Align the shaft flats of the gear motor and
the drive roller and tighten the shaft-
coupling setscrews.

Conveyor belt slips on
drive roller.

Improper conveyor belt tension.

Adjust belt tension.

Excessive depth of cut or feed rate.

Reduce depth of cut; reduce feed rate.

Board slips on conveyor
belt.

Tension rollers too high.

Lower tension rollers (see page 17).

Excessive feed rate.

Reduce feed rate.

Dirty or worn conveyor belt.

Replace conveyor belt.

Abrasive improperly wrapped.

See

Installing Abrasives

Conveyor belt tracks to
one side, or oscillates
from side to side.

Conveyor belt out of adjustment.

Readjust conveyor belt; see page 16.

Drive or driven roller needs adjusting.

Readjust; see page 16.

Conveyor belt worn or defective.

Replace conveyor belt; see

Conveyor Belt

Replacement.

Drive roller worn, bent, or varies in
diameter side to side.

Replace drive roller.

Roller bushings elongated due to excessive
wear.

Replace bushings.

Abrasive strip is loose.

Strip caught on inside edge of slot, or on
inboard side of drum.

Re-adjust the strip end in the slot and/or
trim the abrasive edge.

Strip not cut properly.

Re-cut and re-install abrasive strip. See

Installing Abrasives

Abrasive loads up
prematurely.

Excessive depth of cut.

Reduce depth of cut.

Excessive feed rate.

Reduce feed rate.

Inadequate dust collection.

Increase airflow at dust port.

Inadequate abrasive.

Use an open-coat abrasive.

Stock fed at 90° angle to drum.

Angle stock 60° if possible to avoid resin
line buildup.

Table height adjustment
works improperly.

Improper adjustment of height control.

Readjust height control. See

Drum Height

Control.

Drum drive v-belt slips.

Improper v-belt tension.

Increase tension.

Knocking sound while
running.

Bearing(s) out of alignment.

Re-align bearings.

V-belt worn.

Replace v-belt.

Dust in drum.

Remove material inside drum.

Pulley wobbling or out of round.

Replace pulley.

Set-screws loose in pulley or bearing.

Re-tighten set-screws.

Abrasive fastener on drum loose (without
abrasive strip in place).

Insert abrasive strip, or replace fastener.

Drum bearing(s) worn.

Replace drum bearing(s).

Содержание 22-44 OSC

Страница 1: ...tions and Parts Manual Oscillating Drum Sander Model 22 44OSC JET 427 New Sanford Road Part No M 659006K LaVergne Tennessee 37086 Revision D 03 2016 Ph 800 274 6848 ECR 16020409184 www jettools com Co...

Страница 2: ...nal action needed JET has Authorized Service Centers located throughout the United States For the name of an Authorized Service Center in your area call 1 800 274 6846 or use the Service Center Locato...

Страница 3: ...16 Checking Drum Alignment 16 Fine Tuning Drum Alignment 17 Tension Roller Alignment 17 Tension Roller Pressure Adjustment 18 Drum Height Control Adjustment 18 Operation 19 Basic Operating Procedure 1...

Страница 4: ...romium from chemically treated lumber Your risk of exposure varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work wi...

Страница 5: ...d safest performance Follow instructions for lubricating the machine and changing accessories 28 Always feed stock against the rotation of the drum 29 Keep your hands clear when feeding parts onto the...

Страница 6: ...ses Minimum board length in 2 1 4 Maximum board thickness in 4 Minimum board thickness in 1 32 Motor and Electricals Conveyor motor 1 30HP 0 45A 40 RPM 43 inch lb torque direct drive D C Drum motor TE...

Страница 7: ...The illustration below shows the major components and features of the 22 44OSC Sander These are referenced throughout the manual and will help to familiarize you with the operation and functions of th...

Страница 8: ...ed throughout the Assembly section of this manual for reference conven ience Shipping Contents Main Container Contents Contents shown in Figure 1 1 Handwheel A 1 TufTool B 1 Drum Head C 1 Conveyor Tab...

Страница 9: ...Secure the left side of the rear plate G to the left stand side F1 with two each 5 16 hex cap screws L2 and 5 16 flat washers P2 Hand tighten only PPPPP 4 Secure the right side of the rear plate G to...

Страница 10: ...the conveyor D onto the sander base C1 Align the four holes in the conveyor D with the four holes in the sander base 3 Secure the conveyor in place with four 5 16 x 3 4 socket head cap screws K four 5...

Страница 11: ...d and attached to the left outboard side of the drum Then the strip is wrapped around the drum and the second taper is made for attachment to the right inboard side of the drum Note You can use the or...

Страница 12: ...t is holding the paper tight Figure 13 11 Insert the tapered end of the abrasive strip into the slot and fastener It may be necessary to trim the tapered end of the abrasive strip so that it does not...

Страница 13: ...e a damaged or worn cord immediately As received from the factory your drum sander is intended for use on a 20 amp 110V dedicated circuit which has an outlet and a plug that look like the ones illustr...

Страница 14: ...of the handwheel moves the drum approximately 1 16 Oscillator Switch Referring to Figure 18 The 22 44OSC sander can be operated as a simple sander or as an oscillating sander When operating as a line...

Страница 15: ...Insufficient belt tension will cause slippage of conveyor belt on the drive roller during sanding operation the conveyor belt is too loose if it can be stopped by hand pressure applied directly to th...

Страница 16: ...cket until the distance between the roller and the straight edge are equal from side to side then tighten the bracket Checking Drum Alignment The sanding drum must be aligned parallel to the conveyor...

Страница 17: ...ons of the fine tune knob are needed to change drum alignment for wider over 22 sanding When sanding narrow stock less than 22 loosen the four screws Figure 22 and turn fine tune adjustment knob count...

Страница 18: ...Fig 24 at this position 3 If only outfeed tension roller causes snipe only tighten rear outfeed hex nuts on each end of drum at this position then raise sanding drum another 3 4 turn of the handle 4...

Страница 19: ...be sanded under the drum and lower drum until it contacts the stock Drum should still rotate by hand Without changing drum height finish feeding the stock under the sander Start sanding drum and sand...

Страница 20: ...one session Be aware that the sander will remove cups and crowns in the workpiece consider this when measuring and processing stock to the same thickness Sanding Multiple Pieces At Once When sanding m...

Страница 21: ...Keeping the Machine Clean For best results make cleaning the sander a regular shop procedure Allowing excess build up of dust and debris can adversely affect performance through the loading of the abr...

Страница 22: ...bottom slot of the Tracker Note When installed properly only the bottom lip of the Tracker will be visible The top slot is to be used if the bottom slot wears out 8 Install second Tracker opposite the...

Страница 23: ...ts open pores Cleaning Abrasive Strips Regularly clean the abrasive strips on the drums with commercially available cleaning sticks following the manufacturer s directions When cleaning also brush the...

Страница 24: ...Conveyor motor oscillates Motor not properly aligned Loosen housing bolts run motor retighten bolts Transfer rod collar is worn Replace transfer rod collar Drive roller bent Replace drive roller Drum...

Страница 25: ...rive roller Roller bushings elongated due to excessive wear Replace bushings Abrasive strip is loose Strip caught on inside edge of slot or on inboard side of drum Re adjust the strip end in the slot...

Страница 26: ...elt surface Re adjust roller s Burning of wood Feed rate too slow Increase feed rate Excessive depth of cut for grit used Reduce depth of cut or increase grit coarseness Excess build up on abrasive st...

Страница 27: ...27 Drum Head Assembly Exploded View...

Страница 28: ...t Screw 5 16 18x3 8 4 21 2244OSC 121B Coupler serial 11121604 and higher 1 22 2244OSC 122 Needle Bearing 1 23 80 3138 Fine Tune Adjustment Knob 1 24 2244OSC 124 Set Screw 10 24x3 8 4 25 2244OSC GBA Ge...

Страница 29: ...Drum Carriage 1 80 21 1173 Fastener Abrasive Outboard 1 81 TS 0254061 Button Head Socket Screw 1 4 20x1 3 82 TS 0267021 Set Screw 1 4 20x1 4 1 83 2244OSC 183 Lower Fixed Drum Carriage 1 84 TS 0254041...

Страница 30: ...30 Conveyor and Motor Assembly Exploded View...

Страница 31: ...19 72 2004 ON OFF Drum Switch 1 20 30 0122 Shaft Coupler 1 21 TS 0267021 Set Screw 1 4 20x1 4 2 22 40 4903 Controller Base Bracket 1 23 40 4022W Control Housing Base Cover 1 24 10 4004 12 Hex Washer H...

Страница 32: ...Worm 1 9 BB 6001ZZ Ball Bearing 6001ZZ 2 10 2244OSC 210 Retaining Ring 1 11 2244OSC 211 Set Screw 10 24x1 4 2 12 2244OSC 212 Clutch Bushing 1 13 BB 6004ZZ Ball Bearing 6004ZZ 1 14 2244OSC 214 Pulley...

Страница 33: ...60051 Hex Cap Screw 3 8 16x1 4 4 TS 0051011 Hex Cap Screw 5 16 18x1 2 12 5 TS 0680031 Flat Washer 5 16 12 6 2244OSC 306 Bottom Plate 1 7 2244OSC 307 Rear Plate 1 8 2244OSC 308 Front Plate 1 9 80S 416...

Страница 34: ...2 Index No Part No Description Size Qty 1 2244PLUS 501 Table 2 2 2244PLUS 502 Base Bracket 2 3 TS 0060051 Hex Cap Screw 3 8 16x1 4 4 TS 0680041 Flat Washer 3 8 4 5 TS 0151011 Carriage Bolt 1 4 20x3 4...

Страница 35: ...35 Wiring Diagram...

Страница 36: ...36 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com...

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