Lortone 3A Datenblatt
LORTONE
ROTARY TUMBLER
INSTRUCTIONS AND PARTS LIST
12130 Cyrus Way
Mukilteo, WA 98275
(425) 493-1600
Model 3A
Copyright © 2008 Lortone, Inc
GETTING STARTED
I. Open the Barrel: Remove nut
and washer, press down on bolt
with thumb while lifting up on
outside of outer lid with ngers.
If outer lid is difcult to
remove, insert washer between
edge of outer lid and barrel,
twist to loosen. After outer lid
has been removed, lift inner lid
out by center bolt.
II. Add Rocks: Fill Barrel about
1⁄2 to 2/3 full of rock. Rocks
should be of assorted sizes for
best results.
III. Add Abrasive: Add
4 level tablespoons of
60/90 Silicon Carbide
Abrasive.
Add water to cover
rocks and abrasive.
Do not overll.
IV. Close the Barrel: Wipe the mating surfaces of
the barrel and inner lid clean with a damp cloth.
Press inner lid into barrel until it rests on shoulder.
Press outer lid rmly down onto the barrel. Install
washer and tighten nut.
Knurled nut only needs to be snug Do Not Use
tools to tighten. Over tightening of the nut can
cause the inner lid to distort and leak.
Add rocks
until 2/3 full.
Add water to
top layer of
rocks.
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Copyright © 2008 Lortone, Inc
V. Tumble: Plug the tumbler into a suitable outlet. Place the
barrel on the tumbler making sure the groove in the barrel
nut sits on the tumbler guide. Tumble for 2-3 days. Open
and check the rocks. The rough edges should be wearing
down. After 5-7 days, open the barrel and rinse the rocks
in a bucket of water. DO NOT put the rinse water down a
household drain as it will clog the drain!
IMPORTANT: Clean the rocks and barrel parts thoroughly
using mild soap and water!
VI. Repeat steps II through V: Use successively ner
abrasives according to your tumbling instruction booklet
and the chart below:
Step 1 Step 2 Step 3 Step 4
Compound 60/90 120/220 Pre-Polish Polish
Silicon Silicon Aluminum Aluminum
Carbide Carbide Oxide Oxide
Amount 4 Tbsp 4 Tbsp 6 Tbsp 6 Tbsp
Make sure to
align barrel
guide with
groove in black
knurled nut.
Plug tumbler in and
place barrel on tumbler.
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Copyright © 2008 Lortone, Inc
MAINTENANCE
LORTONE Tumblers are capable of operating 24 hours/day for
years with proper care.
For best operation and results follow these simple, but important
steps:
MOTOR: The motor is designed for continuous use and does
not need oiling or other maintenance. It is normal for the motor
to run hot to the touch.
CLEANING: The outside of the barrel should be kept clean.
Clean by wiping with a wet soapy cloth and rinse well with fresh
water. DO NOT put the barrel in a dishwasher or clean using
solvents. If the outside of the barrel becomes so slick that it slips
on the rollers, roughen slightly with very ne sandpaper or steel
wool.
BEARINGS: Oil each shaft bearing every
30 days of operation, using one drop of
lightweight lubricating oil. Do Not Use
excessive oil.
DRIVE BELT: Keep the drive belt tight
enough to drive the barrel without being
over tightened. Improper
tension (too tight) can
cause motor bearing failure
and belt stretch. To adjust
the belt, loosen the two
motor mounting nuts, slide
the motor to the right, and
re-tighten the nuts.
Oil
Adjust motor
position to
tighten belt.
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Copyright © 2008 Lortone, Inc
TROUBLESHOOTING
If your tumbler fails to operate correctly, check the following:
Barrel does not turn, turns very slowly, or stops after being
placed on tumbler.
No Power to unit. Make sure machine is plugged in
correctly.
Make sure electrical circuit is
operational.
Barrel not installed
correctly.
Align Barrel correctly.
Barrel Too Heavy. Do not exceed rated capacity.
Belt Slipping. Tighten Belt.
Drive Belt Broken. Remove Cover and Replace Belt.
Motor doesn’t run or
runs intermittently.
Replace motor.
Barrel leaks or barrel lid comes off during operation.
Inner lid not seated
correctly.
Make sure inner lid and barrel shoulder
are clean and free of contaminants.
Make sure inner lid is seated on
shoulder inside barrel.
Knurled Nut over
tightened.
Tighten Knurled Nut by hand only
until snug. Do not use tools.
Gas build-up in
barrel.
Open barrel occasionally to vent gas
that might be formed during tumbling.
Barrel or Boot
Gasket damaged.
Replace damaged barrel or boot gasket.
If you need assistance, please contact:
Lortone Customer Service (425) 493-1600
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Copyright © 2008 Lortone, Inc
PARTS LIST
Part No. Description
A 001-005 Top Cover
B 001-006 Base
C 001-007 Drive Shaft
D 001-008 Idler Shaft
E 203-004 Bearing, Open End (1 Required)
F 203-003 Bearing, Closed End (3 Required)
G 001-101 Drive Pulley Assembly
H 001-100 Motor Pulley With Fan
I 206-012 Retaining Ring
J 210-001 Drive Belt
K 301-034 Motor, 110v
K 301-035 Motor, 220v
L 350-003 Cord, EU, 220v
L 350-004 Cord, UK, 220v
L 350-005 Cord, USA, 110v
L 350-010 Cord, Aus/NZ, 220v
M 320-001 Strain Relief, 110v
M 320-002 Strain Relief, 220v
Part No. Description
020-091 Complete Rubber Barrel Assembly
N 020-100 Inner Lid
O 020-001 Outer Lid
P 481-070 Knurled Nut
Q 240-010 Boot Gasket
R 240-002 Rubber Barrel Only
S 108-001 Barrel Washer
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Copyright © 2008 Lortone, Inc
N
O
P
Q
R
S
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Copyright © 2008 Lortone, Inc
LORTONE
12130 Cyrus Way
Mukilteo, WA 98275
(425) 493-1600
LORTONE Rotary Tumblers
are quiet, durable grinding
and polishing machines.
Follow these basic operating
and care instructions to help
keep your tumbler in optimal
running condition.
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