Delta 31-390 Instruction Manual Download Page 3

ADDITIONAL SAFETY RULES FOR

ABRASIVE FINISHING MACHINES

1

.

DO NOT OPERATE THIS MACHINE UNTIL 

it is

assembled

and 

installed

according to the instructions.

2.

OBTAIN ADVICE from your supervisor, instructor, or
another qualified person

if you are not familiar with the

operation of this machine.

3.

FOLLOW ALL WIRING CODES

and recommended

electrical connections.

4.

USE THE GUARDS WHENEVER POSSIBLE. 

Check

to see that they are in place, secured, and working
correctly.

5.

CHECK BELTS 

for wear and tension. If the belt is

damaged or can’t be tensioned properly, replace it.

6.

CHECK FOR CORRECT BELT INSTALLATION, 

and

insure that the belt is tracking properly.

7.

KEEP ARMS, HANDS, AND FINGERS 

away from

abrasive surfaces.

8.

AVOID AWKWARD OPERATIONS AND HAND
POSITIONS

where a sudden slip could cause a hand

to contact the sanding surface.

9.

NEVER WEAR GLOVES 

or hold the workpiece with a

rag when sanding. 

10.

NEVER START THE MACHINE 

with the workpiece

against the sanding surface.

11.

NEVER START THE MACHINE 

before clearing the

table of all objects (tools, scrap pieces, etc.).

12.

MAINTAIN MINIMUM CLEARANCE 

between the

table and the sanding surface.

13.

USE A BACKSTOP 

when using the belt finishing

machine in a horizontal position.

14.

FEED THE WORKPIECE AGAINST THE
ROTATION OF THE SANDING SURFACE. 

Hold

the workpiece securely on the table.

15.

USE A DUST COLLECTION SYSTEM.

16.

CLEAN THE MACHINE AND DUST
COLLECTION SYSTEM THOROUGHLY BEFORE
AND AFTER SANDING METAL. 

Combining wood

dust and metal filings (or aluminum filings and
metal filings) can create a fire hazard. DO NOT
sand magnesium. It is highly flammable.

17.

FOR DRUM SANDERS, DO NOT SAND
WORKPIECES SHORTER THAN 7" or thinner
than 1/32".

18.

PROPERLY SUPPORT LONG OR WIDE

workpieces.

19.

DISCONNECT THE MACHINE

from the power

source before installing or removing accessories,
before adjusting or changing set-ups, or when making
repairs.

20.

DISCONNECT THE MACHINE

from the power

source, and clean the table/work area before leaving
the machine. 

LOCK THE SWITCH IN THE “OFF”

POSITION

to prevent unauthorized use.

21.

ADDITIONAL INFORMATION 

regarding the safe and

proper operation of this machine is available from the
Power Tool Institute, 1300 Summer Avenue,
Cleveland, OH 44115-2851. Information is also
available from the National Safety Council, 1121
Spring Lake Drive, Itasca, IL 60143-3201. Please refer
to the American National Standards Institute ANSI
01.1 Safety Requirements for Woodworking
Machines and the U.S. Department of Labor OSHA
1910.213 Regulations.

WARNING

FAILURE TO FOLLOW THESE RULES MAY RESULT IN SERIOUS PERSONAL INJURY.

3

SAVE THESE INSTRUCTIONS. 

Refer to them often 

and use them to instruct others. 

Summary of Contents for 31-390

Page 1: ...92 PART NO 406 11 651 0006 03 12 02 Copyright 2002 Delta Machinery To learn more about DELTA MACHINERY visit our website at www deltamachinery com For Parts Service Warranty or other Assistance please...

Page 2: ...y to get caught in moving parts Nonslip footwear is recommended Wear protective hair covering to contain long hair 12 SECURE WORK Use clamps or a vise to hold work when practical It s safer than using...

Page 3: ...WORKPIECE AGAINST THE ROTATION OF THE SANDING SURFACE Hold the workpiece securely on the table 15 USE A DUST COLLECTION SYSTEM 16 CLEAN THE MACHINE AND DUST COLLECTION SYSTEM THOROUGHLY BEFORE AND AF...

Page 4: ...and interchange any two of the three leads that are connected to terminals Ll L2 L3 Fig B 5 Replace cover on the starter box PERMANENTLY CONNECTED TOOLS If the tool is intended to be permanently conn...

Page 5: ...vier the cord EXTENSION CORDS Fig C MINIMUM GAUGE EXTENSION CORD RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC TOOLS Ampere Total Length Gauge of Rating Volts of Cord in Feet Extension Cord 0 6 2...

Page 6: ...DELS ONLY Your edge sander is supplied with magnetic starter controls transformer and overload block LVC the starter box is shipped completely wired to the motor and push button controls However the s...

Page 7: ...elt changing without removing the guard assembly B from the machine To assemble the top guard and dust chute assembly B Fig 8 to the edge sander proceed as follows 1 Place a 1 2 flatwasher C Fig 9 on...

Page 8: ...stand ard equipment with the edge sander Loosen set screw E Fig 13 in adapter plate B and insert the desired abrasive drum spindle one of which is shown at F into the adapter plate B NOTE Make certain...

Page 9: ...emble lockwashers and hex nuts and tighten securely NOTE The top guard and dust chute assembly has been removed for clarity 3 Turn the auxiliary end table D Fig 19 face down on a supporting surface an...

Page 10: ...gle of tilt has been set tighten lock knobs B The tilting table allows for bevel sanding operations to be performed and reduces the amount of friction on the sanding belt when edge sanding certain sha...

Page 11: ...e vertically loosen lock knob A Fig 30 and move the table assembly B up or down as necessary Tighten lock knob A after adjustments are made 3 To adjust the table horizontally loosen locking screw C Fi...

Page 12: ...g belt A Fig 35 must be parallel to the top of the straight platen B If it is not parallel adjust as follows 1 CAUTION DISCONNECT TOOL FROM POWER SOURCE 2 NOTE If the sanding belt A Fig 35 is running...

Page 13: ...The table B should be positioned close to but not touching the sanding belt C It is advisable to raise or lower the table B periodically to prevent spot wear and improve belt life CONTOUR SANDING AROU...

Page 14: ...oceed as follows 1 DISCONNECT TOOL FROM POWER SOURCE 2 Loosen hex nut A Fig 40 until abrasive sleeve B will lift easily off spindle drum C 3 Assemble new abrasive sleeve B Fig 40 on spindle drum C and...

Page 15: ...fitness for purpose or otherwise are expressly disclaimed by Delta Printed in U S A PARTS SERVICE OR WARRANTY ASSISTANCE All Delta Machines and accessories are manufactured to high quality standards...

Page 16: ...61 Los Angeles 3949A East Guasti Road Phone 909 390 5555 Fax 909 390 5554 San Leandro 94577 Oakland 3039 Teagarden Street Phone 510 357 9762 Fax 510 357 7939 FLORIDA Davie 33314 Miami 4343 South State...

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