Woodstock W1773, W1772 owner manual Machine Operations

Page 59

W1772/W1773 37" Drum Sander

Machine Operations

PROBLEM

 

POSSIBLE CAUSE

 

CORRECTIVE ACTION

Machine slows when sand-

1.

V-belts loose.

1.

Tighten V-belts (Page 33).

ing, making squealing noise,

2.

V-belts worn out.

2.

Replace V-belts (Page 33).

especially on start-up.

 

 

 

 

Loud repetitious noise

1.

Pulley setscrews or keys are missing

1.

Inspect keys and setscrews. Replace or tighten if

coming from machine.

 

or loose.

 

necessary.

2.Motor fan is hitting the cover. 2. Adjust fan cover mounting position, tighten fan, or shim fan cover.

 

3.

V-belts are defective.

3.

Replace V-belts (Page 33).

 

 

 

 

 

Vibration when sanding.

1.

Loose drum pillow bearings.

1.

Tighten drum pillow bearings.

 

2.

Worn drum pillow bearings.

2.

Replace drum pillow bearings.

Grinding, screeching, or

1.

Drum bearings lack sufficient

1.

Grease the pillow bearings (Page 30).

rubbing noise when sand-

 

grease.

 

 

ing drums are powered up.

2.

Drum bearings worn.

2.

Replace the drum bearings.

 

 

 

 

 

Short V-belt lifespan.

1.

Pulleys not aligned correctly.

1.

Align pulleys (Page 33).

 

2.

Improperly tensioned.

2.

Properly tension V-belts (Page 33).

Machine

lacks

power;

1.

V-belts loose.

1.

Tighten V-belts (Page 33).

drums

stop turning under

2.

Too much pressure on pressure roll-

2.

Reduce pressure roller pressure (Page 42).

load.

 

 

 

 

 

ers.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Conveyor slips under load.

1.

Conveyor is too loose.

1.

Tension conveyor (Page 36).

 

 

 

 

 

2. Too much load.

2.

Decrease load.

Conveyor

tracks

to

one

1.

Conveyor tracking is incorrect.

1.

Track the conveyor so it runs straight (Page 37).

side;

conveyor

hits

the

 

 

 

 

roller cover.

 

 

 

 

 

 

 

 

 

 

 

Workpiece pulls to one side

1.

One of the sanding drums is not par-

1.

Adjust the sanding drums parallel to the table (Page

during sanding operations.

 

allel with the table.

 

38).

Excessive snipe.

 

 

1.

Too much pressure roller pressure.

1.

Reduce pressure roller pressure (Page 42).

2.Too much pressure from rear pres- 2. Reduce rear pressure roller pressure (Page 42). sure rollers.

3.Lack of outfeed support.3. Set up outfeed table or have someone catch the workpiece as it comes out.

Workpiece kicks out.

1.

Not sufficient pressure roller pres-

1.

Increase pressure roller pressure (Page 42).

 

 

sure.

 

 

 

 

 

 

 

Sanding drums make scrap-

1.

Drums scrape dust scoop

1.

Adjust dust scoops so they do not touch sanding

ing noises..

 

 

 

drums (Page 43).

Sandpaper tears off drums

1.

Nail/staple in workpiece.

1.

Sand only clean workpieces.

during operation.

2.

Sandpaper not fastened correctly.

2.

Install the sandpaper correctly (Page 28).

3.Drums not perpendicular to the feed 3. Adjust the drums perpendicular to the feed direc-

 

 

direction.

 

tion (Page 38).

 

 

 

 

 

Table elevation controls are

1.

Table lock is engaged.

1.

Disengage table lock.

stiff and hard to adjust.

2.

Table lift screws dirty or loaded with

2.

Clean and regrease table lift screws (Page 43).

 

 

sawdust.

 

 

3.Chain idler roller sprocket lock nuts 3. Adjust the lock nuts on the idler roller sprocket so

have been tightened against roller.

the roller can spin freely.

4.Elevation handle worm gear is dirty 4. Remove the worm gear box, clean it, and regrease

 

 

or loaded with sawdust.

 

it.

 

 

 

 

 

Poor dust collection.

1.

Dust collection lines incorrectly sized

1.

Use at least an 8" main line with two 6" branch lines

 

 

for this machine.

 

that each Y into 4" at the machine.

 

2.

Dust collector underpowered or too

2.

Upgrade your dust collector or decrease the dis-

 

 

far away from this machine.

 

tance from the dust collector to the machine.

-57-

SERVICE

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Page 58 Page 60
Contents Drum Sander Page Contents Woodstock Technical Support IntroductionIntroduction Introduction Introduction Introduction Controls and Features Standard Safety Instructions SafetyAlways Lock Mobile Bases if Used Before Operating Machinery Additional Safety for Drum Sanders Electrical W1772 Single-Phase OperationW1772 Electrical Specifications W1773 Electrical Specifications W1773 220V/440V Phase OperationPhase Converter To rewire the Model W1773 for 440V operation, do these steps Rewiring W1773 toInventory SetupItems Needed for Setup UnpackingIf you do not hear any scraping sounds go to Step AssemblyControl panel mounting bolts W1772/W1773 minimum working clearances Machine PlacementTo place the sander in a permanent location, do these steps Lifting SanderMounting to Shop Floor Recommended CFM at Sander Power ConnectionTo connect the sander to the power source, do these steps Dust CollectionTo check the gear oil, do these steps Gear Oil CheckTo test run the drum sander, do these steps Test RunSET Recommended AdjustmentsSanding Drums Start Button Starts the sanding drums OperationsControl Panel GeneralTo set the depth of cut, do these steps To adjust the conveyor speed, do these stepsDepth of Cut Variable SpeedTo sand a workpiece, do these steps Using the Amp Draw MeterSanding Sanding Tips Grit Class Choosing SandpaperTo change the paper, do these steps Paper ReplacementDrum Sander Accessories Lubrication MaintenanceCleaning Lubricating gear box StepTo make the gauge blocks, do these steps ServiceGauge Blocks To adjust V-belt tension, do these steps Belt ServiceTo align the pulleys, do these steps Bearing ReplacementPages 38 That no obstructions prevent bearing lubricationTo tension the conveyor, do these steps Conveyor Tensioning TrackingTo track the conveyor, do these steps TrackingAdjusting Drums Perpendicular to Feed Direction Drum AdjustmentsLoosen the front drum pillow bearing lock nuts Figure Front and rear drum Adjustment locationsAdjusting Drum Height & Drum-to-Conveyor Parallelism Loosen the front drum pillow bearing lock nuts , Rear right sanding drum micro Adjusting knobPressure Roller Height Pressure roller adjustment NutsTable Lift Scews To adjust a dust scoop, do these stepsScale Pointer Calibration Dust ScoopsMarking sprocket tooth Chain To adjust the table lift screws, do these stepsEmergency stop bar limit Switch W1772/W1773 Wiring OverviewW1772/W1773 Control Panel W1772/W1773 control panel wiringW1772 electrical box W1772 Electrical Box 220V, 1-PhFigures W1772 Electrical Box Wiring 220V, 1-PhW1772 Sanding & Feed Motors W1772 sanding drum motor Wiring and start capacitorsW1773 Electrical Box 220V, 3-Phase Figures W1773 Electrical Box Wiring 220V, 3-PhaseW1773 440V 3-phase electrical box wiring W1773 Electrical Box 440V, 3-PhaseFigures 66 W1773 Electrical Box Wiring 440V, 3-PhaseW1773 Sanding Drum Motor W1773 220V sanding drum motor WiringW1773 Feed Motor W1773 220V feed motor wiringMoving parts have come to a complete stop TroubleshootingMachine Operations Frame Parts Breakdown PartsPART# Description Frame Parts ListParts Breakdown Conveyor Parts List XPK55M Roller & Drum Parts BreakdownMicro-Adjustment Breakdown Electrical Components Currentsensor Electrical Parts ListLabel Placement Comments Warranty RegistrationBOX BELLINGHAM, WA Warranty
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