ROTARY TUMBLER
INSTRUCTIONS AND PARTS LIST
Model
C20
Model
C40
Model
C20-2
LORTONE
12130 Cyrus Way
Mukilteo, WA 98275
(425) 493-1600
GETTING STARTED
I. Open the Barrel: Remove wing nuts and washers. Lift
off lid and rubber gasket.
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 60/90 Silicon Carbide Abrasive (See
chart on next page for amount). Add water to top layer of
rocks and abrasive. Do not overll.
Add rocks
until 2/3 full.
IV. Close the Barrel: Wipe the mating surfaces of the barrel
and inner gasket clean with a damp cloth. Press inner
gasket onto barrel Press outer lid rmly down over gasket
onto the barrel. Install washers and tighten wing nuts.
Wing nuts only need to be snug. Do Not Use tools to
tighten. Over tightening of the nuts can cause damage to
the lid, gasket and barrel.
Add water to
top layer of rocks.
V. Tumble: Plug the tumbler into a suitable outlet. Place
the barrel on the tumbler. Tumble for 2-3 days. Open and
check the rocks. 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.
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Copyright © 2008 Lortone, Inc
VI. Repeat steps II through V: Use succesively ner abrasive
according to the chat 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
20 lb Barrel 2-1/8 Cups 2-1/8 Cups 2-1/2 Cups 2-1/2 Cups
40 lb Barrel 4-1/4 Cups 4-1/4 Cups 5 Cups 5 Cups
IMPORTANT: The outside of the barrel should be kept clean.
Clean by wiping with a wet soapy cloth and rinse well with fresh
water.
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 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.
Gas build-up in barrel. Open barrel occasionally to vent gas that
Barrel or boot gasket
damaged.
Make sure inner lid and barrel shoulder are
clean and free of contaminants.
Make sure inner lid is seated on barrel liner.
might be formed during tumbling.
Replace damaged barrel or boot gasket.
Copyright © 2008 Lortone, Inc
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PARTS LIST C20
Part No. Description
A 200-002 Bearing
B 203-920 Bearing, Nylon
C 204-002 Bearing Strap
D 210-023 Belt, Drive
E 210-025 Belt, Idler
F 211-001 Pulley, 1-1/2” x 1/2”
G 211-006 Pulley, 2” x 5/8”
H 211-041 Pulley, 5” x 5/8”
I 300-030 1/6 HP Motor
J 009-005 Shaft with cover
K 481-029 Nut, Hex, 5/16”-18 x 1-1/2”
L 484-015 Bolt, Hex, 1/4”-20, 3/4”
M 484-026 Bolt, Hex, 5/16”-18, 1-1/2”
N 489-012 Washer, Flat, 1/4”
O 009-070 Base
P 009-012 Belt Guard
Q 209-001 Rubber Foot
20 Lb. Barrel Parts List
Part No. Description
021-097 Complete Barrel Assembly,
20 lb Capacity (for C20 & C20-2)
R 021-001 Barrel Body
S 240-007 Barrel Liner
T 240-017 Barrel Gasket
U 220-004 Barrel Lid, C20
V 481-080 1/4-20 Barrel Wing Nut
W 489-012 Washer, Flat, 1/4”
X 009-015 Barrel Lid Bracket
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Copyright © 2008 Lortone, Inc
C20 Base
A
C
K,M
I
P
J
B
L,N
0
Q
Belts & Pulleys
H
E
F
G
D
R
X
S
20 Lb. Barrel
Copyright © 2008 Lortone, Inc
W
V
T
U
4
PARTS LIST C40 & C20-2
Part No. Description
A 200-002 Bearing
B 203-920 Bearing, Nylon
C 204-002 Bearing Strap
D 210-023 Belt, Drive
E 210-025 Belt, Idler
F 211-001 Pulley, 1-1/2” x 1/2”
G 211-006 Pulley, 2” x 5/8”
H 211-041 Pulley, 5” x 5/8”
I 300-030 1/6 HP Motor
J 009-006 Shaft with Cover
K 481-029 Nut, Hex, 5/16”-18 x 1-1/2”
L 484-015 Bolt, Hex, 1/4”-20, 3/4”
M 484-026 Bolt, Hex, 5/16”-18, 1-1/2”
N 489-012 Washer, Flat, 1/4”
O 009-071 Base
P 009-012 Belt Guard
Q 209-001 Rubber Foot
R* 009-017 Barrel Guide Bracket (*C40 Only)
40 Lb. Barrel Parts List
Part No. Description
021-098 Complete Barrel Assembly,
40 lb Capacity (C40)
S 021-002 Barrel Body
T 240-008 Barrel Liner
U 240-018 Barrel Gasket
V 220-005 Barrel Lid, C40
W 481-080 Barrel Wing Nuts
X 489-012 Washer, Flat, 1/4”
Y 009-016 Barrel Lid Bracket
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Copyright © 2008 Lortone, Inc
C40/C20-2 Base
J
C
A
K,M,R*
B
R*- Barrel Guide
Bracket(C40 Only)
I
R
O
L,N
Belts & Pulleys
Q
H
E
F
G
D
S
Y
T
40 Lb. Barrel
(see page 3 for 20 Lb Barrel)
Copyright © 2008 Lortone, Inc
U
X
V
V
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LORTONE
Rotary C-Series Tumblers
are commercial quality machines
built to accommodate high capacity
loads. Follow these basic operating
instructions to keep your tumbler in
optimal running condition.
LORTONE
12130 Cyrus Way
Mukilteo, WA 98275
(425) 493-1600
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