CRL LD321AU User manual

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© COPYRIGHT C.R. LAURENCE CO., INC. 2012
Subject to printing errors and design changes over which we have no contro . In the event of prob ems p ease contact our Customer Service Department.
AVDB3059_08/12
AC.R. LAURENCE Co., INC.
Belt Sander

CAT. NO. LD321, LD321AU, LD321EU
Rea this material before using this pro uct.
Failure to o so can result in serious injury.
SAVE THIS MANUAL
Care for the environment!
Tool must not be iscar e with househol waste!
This pro uct contains electrical or electronic components that shoul be
recycle . Leave the pro uct for recycling at the esignate station e.g.
the local authority's recycling station.

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TECHNICAL DATA
Level of sound pressure measured according to EN 50144:
Hearing pr tecti n sh uld be w rn when using belt sanders.
Input Voltage 120V - 60Hz (LD321)
220V - 50Hz (LD321EU)
240V - 50Hz(LD321AU)
Input Power 7.0 Amp
Belt Spee (no loa ) 1180' (380 m) per minute belt speed
Belt Dimensions 3" x 21" (76 x 533 mm)
Weight 10 Lbs. (4.6 Kg)
!

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SAFETY INSTRUCTIONS
READ THESE INSTRUCTIONS BEFORE OPERATING THIS PRODUCT AND SAVE THESE INSTRUCTIONS.
WARNING! When using electric tools, basic safety precautions shoul always be followe to
re uce the risk of fire, electric shock an personal injury, inclu ing the following:
• KEEP WORK AREA CLEAN. Cluttered areas and benches invite injuries.
• CONSIDER WORK AREA ENVIRON ENT. Do not expose power tools to rain. Do not use
power tools in damp or wet locations. Keep work area well lit. Do not use power tools where
there is risk to cause fire or explosion.
• GUARD AGAINST ELECTRIC SHOCK. Avoid body contact with earthed or grounded surfaces
(e.g. pipes, radiators, ranges, refrigerators).
• KEEP CHILDREN AWAY
. Do not let visitors touch the tool or extension cord. All visitors should
be kept away from area.
• STORE IDLE TOOLS. When not in use, tools should be stored in a dry, high or locked up place,
out of reach of children.
• DO NOT FORCE THE TOOL. It will do the job better and safer at the rate for which it was intended.
• USE THE RIGHT TOOL. Do not force small tools or attachments to do the job of a heavy-duty
tool. Do not use tools for purposes not intended.
• DRESS PROPERLY
. Do not wear loose clothing or jewelry, they can be caught in moving parts.
Rubber gloves and nonskid footwear are recommended when working outdoors. Wear protective
hair covering to contain long hair.
• USE SAFETY GLASSES. Also use face or dust mask if the cutting operation is dusty.
• CONNECT DUST EXTRACTION EQUIP ENT. Ensure that any devices provided for the
extraction and collection of dust are properly connected and used.
• DO NOT ABUSE THE CORD. Never carry the tool by the cord or pull it to disconnect it from
the socket. Keep the cord away from heat, oil and sharp edges.
• SECURE WORK. Use clamps or a vice to hold the work. It is safer than using your hand and it
frees both hands to operate the tool.
• DO NOT OVERREACH. Keep proper footing and balance at all times.
• AINTAIN TOOL WITH CARE. Keep cutting tools sharp and clean for better and safer performance.
Follow instructions for lubrication and changing accessories. Inspect tool cord periodically and if
damaged have it repaired by an authorized service facility. Inspect extension cords periodically and
replace, if damaged. Keep handles dry, clean and free from oil and grease.
• DISCONNECT TOOLS. When not in use, before servicing and when changing accessories
such as blades, bits and belts, ensure that the tools are disconnected.
• RE OVE ADJUSTING KEYS AND WRENCHES. Form the habit of checking to see that keys
and adjusting wrenches are removed from the tool before turning it on.

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SAFETY INSTRUCTIONS
• AVOID UNINTENTIONAL STARTING. Ensure switch is off when plugging in the tool. Do not carry
a plugged-in tool with a finger on the switch.
• USE OUTDOOR EXTENSION LEADS. When tool is used outdoors, use only extension cords
intended for outdoor use.
• STAY ALERT
. Watch what you are doing. Use common sense. Do not operate tool when you are tired.
• CHECK DA AGED PARTS. Before further use of the tool, a guard or other part that is damaged
should be carefully checked to determine that it will operate properly and perform its intended
function. Check for alignment of moving parts, free running of moving parts, breakage of parts,
mounting of parts and any other conditions that may affect its operation. A guard or other part that
is damaged should be properly repaired or replaced. Do not use the tool if the switch does not
turn it on and off.
• WARNING The use of any accessory or attachment, other than those recommended in this
instruction manual, may present a risk of personal injury.
• HAVE YOUR TOOL REPAIRED BY A QUALIFIED PERSON. This electric tool is in accordance
with the relevant safety requirements. Repairs should only be carried out by qualified persons
using original spare parts, otherwise this may result in considerable danger to the user. The
following symbols are used throughout this manual:
Denotes risk of personal injury or amage to the tool.
ADDITONAL SAFETY INSTRUCTIONS FOR SANDERS
• Empty dust collection bag daily.
• Whenever possible, use a vacuum extractor for dust collection.
• Remove dust and other waste matter in a environmentally safe way.
ELECTRICAL SAFETY
Always check that the power supply correspon s to the
voltage on the rating plate.
!
!

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OPERATION
Mounting a San ing Belt
- Pull the clamping leveler (A) out and turn
it as far as it will go.
- Take a sanding belt of the required grain size
and place it on the rollers.
- ake sure that the sanding belt is straight and
centered on the rollers.
- Push the clamping lever back.
- Switch the machine on to let the sanding belt
run. With the machine switched on, turn the belt
centering knob (B) until the sanding belt keeps
running straight.
The sanding belt must be fit firmly
on the sanding pad and should not
come loose.
Using the Dust Extraction Outlet
In combination with the dust bag or an external dust
extractor, the dust extraction outlet keeps dust away
from the sanding surface.
Switching On an Off
- To switch on the machine, press the on/off switch.
- To switch off the machine, release the on/off switch.
- To switch the machine to continuous mode, keep
the on/off switch fully pressed and simultaneously
press the lock button. Then release the on/off
switch.
- Press and release on/off switch to disengage
continuous mode.
Cleaning an Maintenance
The machine does not require any special maintenance.
Regularly clean the ventilation slots.
Environment
Should your machine need replacement after extended
use, do not put it in the domestic waste but dispose of it
in an environmentally safe way.
!
A
B

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CONTENTS
Item No. Name Quantity
1 4X18 Screw 2
2 Elastic Washer 04 14
3 Plain Washer 04 11
4 Rear Damper 1
5 Dust Hood 1
6 5X12 Screw 1
7 Elastic Washer 05 6
8 Impeller 1
9 Tapping Screw ST48X18 4
10 iddle Bracket 1
11 Bearing 6200 3
12 Rotor 1
13 Damper 1
14 Plain Washer 1
15 Small Belt Wheel 1
16 Wind Screen 1
17 Screw 5X45 2
18 Stator 1
19 Hexangular Nut 1
20 Handle Stem Cover 1
21 Cable Cover 1
22 Tapping Screw ST39X15 2
23 Cable Pressure 1
24 Plastic Housing 1
25 Screw 4X30 3
26 Brush Holder 2
27 Carbon Brush 2
28 Brush Cap 2
29 Screw 5X40 1
30 Belt Cover 1
31 Iron Pipe 1
32 Belt 1
33 Screw 3X16 2
34 Big Belt Wheel 1
35 Housing Cover 1
Item No. Name Quantity
36 Check Ring 012 2
37 Flat Key 1
38 Big Gear 1
39 Needle Hearing 3
40 Housing 1
41 Switch 1
42 Annual Damper 1
43 Bearing 68012 1
44 Channel Washer 1
45 Rear Wheel 1
46 Sand Belt (76X533) 1
47 Screw 4X10 7
48 Front Cover 1
49 Screw 5X14 6
50 Adjusting Knob 1
51 Plain Washer 016 1
52 Adjusting Spring 1
53 Screw 5X10 1
54 BK0810 Needle Bearing 1
55 Shaft Gear 1
56 Spring 1
57 Front-Wheel Frame 1
58 Washer Bowl 1
59 Front-Wheel 1
60 Column Pin 1
61 Front-Wheel Axis 1
62 Bottom Plate 1
63 Late Cushion 1
64 Bottom Plate 1
65 Baffle 1
66 Rivet 1
67 Screw Cap 1
68 Washer 1
69 Cable 1
70 Rear Axis Wheel 1

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CONTENTS