ROTARY TUMBLER
INSTRUCTIONS AND PARTS LIST
Model
QT66
Model
QT12
LORTONE
Mukilteo, WA 98275
Copyright © 2008 Lortone, Inc
Model
QT6
12130 Cyrus Way
(425) 493-1600
SETTING UP YOUR MACHINE
Install The Barrel Guide: Using the machine screw
provided, install the barrel guide under the frame edge as
shown in the picture. Align the slot in the guide with the
groove in the knurled nut on the barrel. Adjust the position
of the guide so the slot is centered on the groove. Tighten
the screw securely with the nut provided.
Install Barrel guide under
the tumbler frame edge.
Tighten screw securely.
Copyright © 2008 Lortone, Inc
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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:
1⁄2 to 2/3 full of rock. Rocks
should be of assorted sizes for
best results.
III. Add Abrasive: Add
60/90 Silicon Carbide
Abrasive. Use 10 level
Tbsp for a 6 Lb. barrel.
Use 20 level Tbsp for a
12 lb. barrel.
Add water to cover
rocks and abrasive.
Do not overll.
IV. Close 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.
Fill Barrel about
Add rocks
until 2/3 full.
Add water to
top layer of
rocks.
Wipe the mating surfaces of the barrel
Copyright © 2008 Lortone, Inc
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Make sure to
align barrel
guide with
groove in black
knurled nut.
Plug tumbler in
and place barrel
on tumbler.
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 succesively 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
6 lb Barrel
12 lb Barrel
3
10 Tbsp 10 Tbsp 12 Tbsp 12 Tbsp
20 Tbsp 20 Tbsp 24 Tbsp 24 Tbsp
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.
Barrel too heavy.
Belt slipping. Tighten belt.
Drive belt broken. Remove cover and replace belt.
Motor doesn’t run or
runs intermittently.
Barrel leaks or barrel lid comes off during operation.
Inner lid not seated
correctly.
Align barrel correctly.
Do not exceed rated capacity.
Replace motor.
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.
Gas build-up in
barrel.
Barrel or boot gasket
damaged.
If you need assistance, please contact:
Lortone Customer Service (425) 493-1600
equipment@Lortone.com
Copyright © 2008 Lortone, Inc
Tighten knurled nut by hand only until
snug. Do not use tools.
Open barrel occasionally to vent gas
that might be formed during tumbling.
Replace damaged barrel or boot gasket.
4
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.
Oil shaft bearings
Oil shaft bearings
Copyright © 2008 Lortone, Inc
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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.
Slide motor
to adjust
belt tension.
Belt guard nut
Motor mounting nuts
DRIVE BELT REPLACEMENT: Remove the belt guard nut
and loosen the motor mounting nuts. Remove the old belt and
discard. Carefully slip the new belt over the pulleys.
Caution: Pulley edges are sharp! Replace the belt guard and
tighten the belt guard nut.
Copyright © 2008 Lortone, Inc
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PARTS LIST QT6
Part No. Description
A 006-100 Frame
B 006-001 Drive Shaft with Cover
C 006-002 Idler Shaft with Cover
D 203-001 Bearing (4 Required)
E 006-101 Drive Pulley Assembly
F 006-103 Motor Pulley
G 006-102 Belt Guard
H 210-011 Drive Belt
I 301-030 Motor, 110v
J 301-031 Motor, 220v
K 206-013 Retaining Ring (4 Required)
L 489-093 Nylon Washer (4 Required)
M 481-012 Cap nut, 8-32”
N 481-013 Cap nut, 10-32”
O 489-062 Washer, #8
P 006-003 Barrel Guide with Hardware
Q 489-092 Nylon Washer
Part No. Description
020-093 Complete Rubber Barrel Assembly,
6 lb Capacity
R 020-102 Inner Lid w/Bolt
S 020-003 Outer Lid
T 481-070 Knurled Nut
U 240-012 Boot Gasket
V 240-004 Rubber Barrel Only
W 108-001 Barrel Washer
Copyright © 2008 Lortone, Inc
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R
S
T
U
V
W
QT6
6 Lb. Barrel
Copyright © 2008 Lortone, Inc
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PARTS LIST QT12 and QT66
Part No. Description
A 006-105 Frame
B 006-005 Drive Shaft with Cover
C 006-006 Idler Shaft with Cover
D 203-001 Bearing (4 Required)
E 006-101 Drive Pulley Assembly
F 006-103 Motor Pulley
G 006-102 Belt Guard
H 210-011 Drive Belt
I 301-030 Motor, 110v
J 301-031 Motor, 220v
K 206-013 Retaining Ring (4 Required)
L 489-093 Nylon Washer (4 Required)
M 481-012 Cap nut, 8-32”
N 481-013 Cap nut, 10-32”
O 489-062 Washer, #8
P 006-003 Barrel Guide with Hardware
Q 489-092 Nylon Washer
Part No. Description
020-094 Complete Rubber Barrel Assembly,
12 lb Capacity (QT12 model)
(See 6 Lb. Barrel on page 7&8 for QT66)
R 020-102 Inner Lid w/Bolt
S 020-003 Outer Lid
T 481-070 Knurled Nut
U 240-012 Boot Gasket
V 240-005 Rubber Barrel Only
W 108-001 Barrel Washer
Copyright © 2008 Lortone, Inc
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R
S
T
U
V
W
QT12, QT66
12 Lb. Barrel (For QT12)
(See 6 Lb. Barrel on page 7&8 for QT66)
Copyright © 2008 Lortone, Inc
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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.
LORTONE
Mukilteo, WA 98275
Copyright © 2008 Lortone, Inc
12130 Cyrus Way
(425) 493-1600
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