ROTARY TUMBLER
INSTRUCTIONS AND PARTS LIST
Model
3-1.5B
Model
45C
Model
33B
LORTON E
Mukilteo, WA 98275
Copyright © 2008 Lortone, Inc
12130 Cyrus Way
(425) 493-1600
SETTING UP YOUR MACHINE
For 45C Unit Only
(33B & 3-1.5B already assembled)
Install The Barrel Guide: Using the machine screw provided,
install the barrel guide on top of the frame edge as shown in the
picture.
I. Place the barrel on the tumbler and align. Align the
slot in the guide with the groove in the knurled nut on
the barrel. (gure 1.)
II. Adjust the position of the guide so the slot is centered
on the groove. Tighten the screw securely with the nut
provided. (gure 2.)
g. 1
Install Barrel guide over the tumbler frame edge.
Place barrel on the tumbler and align before tightening
the screw. Once aligned, tighten screw and nut
securely.
Copyright © 2008 Lortone, Inc
1
g. 2
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 4 level
Tbsp for a 1.5 - 3 Lb.
barrel. Use 6-8 level
Tbsp for a 4 lb. barrel.
Add water to top layer
of 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.
Fill Barrel about
Add rocks
until 2/3 full.
Add water to
top layer of
rocks.
Copyright © 2008 Lortone, Inc
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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 (45C). 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
1.5 lb Barrel
3 lb Barrel
4 lb Barrel
3
2-4 Tbsp 2-4 Tbsp 3-5 Tbsp 3-5 Tbsp
4 Tbsp 4 Tbsp 4-6 Tbsp 4-6 Tbsp
6-8 Tbsp 6-8 Tbsp 8 Tbsp 8 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 three motor mounting nuts, slide the motor to the
right, and re-tighten the nuts.
Motor top
cover
Slide motor
to adjust
belt tension.
Motor mounting nuts
DRIVE BELT REPLACEMENT: Remove the motor top
cover 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 motor top cover
and tighten the belt guard nut.
Copyright © 2008 Lortone, Inc
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PARTS LIST 33B, 3-1.5B
Part No. Description
A 004-104 Frame
B 489-094 Offset Nylon Washer
C 004-005 Motor Cover, Top
D 004-006 Motor Cover, Bottom
E 004-007 Drive Shaft
F 004-008 Idler Shaft
G 001-100 Motor Pulley w/fan
H 004-102 Drive Pulley Assy
I 203-010 Bearings
J 206-012 Retaining Rings
K 210-002 Belt
L 301-034 Motor (110v)
L 301-035 Motor (230v)
M 350-005 Cord
N 320-001 Strain Relief
O 486-021 Screw
P 489-093 Nylon Washer
Q 481-011 Cap Nut
R 209-003 Foot
Part No. Description
020-091 Complete Rubber Barrel Assembly,
3 lb Capacity (for 33B)
020-090 Complete Rubber Barrel Assembly,
1.5 lb Capacity (for 3-1.5B)
S 020-100 Inner Lid w/Bolt, 3 Lb & 1.5 Lb.
T 020-001 Outer Lid, 3 Lb & 1.5 Lb.
U 481-070 Knurled Nut
V 240-010 Boot Gasket, 3 Lb & 1.5 Lb.
W 240-002 Rubber Barrel Only, 3 Lb.
W 240-001 Rubber Barrel Only, 1.5 Lb.
X 108-001 Barrel Washer
Copyright © 2008 Lortone, Inc
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S
T
U
V
W
X
C
I
J
N
M
O
P
A
E
F
D
H
K
G
L
Q
O
B
R
33B & 3-1.5B
1.5 Lb & 3 Lb. Barrel
Copyright © 2008 Lortone, Inc
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PARTS LIST 45C
Part No. Description
A 004-108 Frame
B 004-010 Barrel Guide w/ hardware
C 004-005 Motor Cover, Top
D 004-006 Motor Cover, Bottom
E 004-001 Drive Shaft
F 004-002 Idler Shaft
G 001-100 Motor Pulley w/fan
H 004-102 Drive Pulley Assy
I 203-010 Bearings
J 206-012 Retaining Rings
K 210-002 Belt
L 301-034 Motor (110v)
L 301-035 Motor (230v)
M 350-005 Cord
N 320-001 Strain Relief
O 486-021 Screw
P 489-093 Nylon Washer
Q 481-011 Cap Nut
R 209-003 Foot
Part No. Description
020-092 Complete Rubber Barrel Assembly,
4 lb Capacity
S 020-101 Inner Lid w/Bolt, 4 Lb.
T 020-002 Outer Lid, 4 Lb.
U 481-070 Knurled Nut
V 240-011 Boot Gasket, 4 Lb.
W 240-003 Rubber Barrel Only, 4 Lb.
X 108-001 Barrel Washer
Copyright © 2008 Lortone, Inc
9
45C
S
T
U
V
W
X
4 Lb. Barrel
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.
LORTON E
Mukilteo, WA 98275
Copyright © 2008 Lortone, Inc
12130 Cyrus Way
(425) 493-1600
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