ASSEMBLY INSTRUCTIONS
22"
26 1/2"
RMA-320
Mini Ab Bench
TuffStuff Fitness Equipment, Inc.
1325 E. Franklin Avenue
Pomona, CA 91766, USA
Ph: 909-629-1600 Fax: 909-629-4967
E-mail: service@tuffstuff.net Net: www.tuffstuff.net
AMERICA’S PREMIER EXERCISE EQUIPMENT
44"
RMA-320 Rev0
Revision Date 6-08-2007
Introduction
About the RMA-320 Mini Ab Bench
Congratulations on your new purchase of the Mini Ab Bench. We
hope you are completely satisfi ed with this product and wish you
many years of enjoyment.
TuffStuff Equipment
This Tuffstuff product has been built to precise quality standards
and has been carefully packaged to ensure that damage will not
occur during shipment. The Home Lifetime Warranty and signature
indicating fi nal inspection has been conducted by our line foreman,
is an expression of our confi dence in the completeness, the
materials, and workmanship of this product.
Registration Card
To avoid unnecessary delays in warranty service and to insure that
a permanent record of your purchase is on fi le with our factory,
be sure to complete the warranty registration card and send it to
TuffStuff Fitness Equipment today.
Specifi cations
1. Maximum Wt. Capacity - 250 lbs.
2. Total Machine Weight - 55 lbs.
3. Footprint (LWH) - See Front Cover.
Note: Due to continuing product improvements, specifi cations and designs are subject to change
without notice.
Prior to the Assembly of the Mini Ab Bench
We advise you to consult your local TuffStuff retailer if you should
have a question or problem regarding the proper assembly of this
unit.
Tool Requirements
One 3/4” combination wrench1.
One 9/16” combination wrench2.
One ratchet3.
One 3/4” socket4.
One 9/16” socket5.
Rubber Mallet6.
Windex or household glass cleaner7.
Utility knife8.
Hardware Measurement Diagram
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Step 1 Assembly List
Item # Description Qty.
1 MAIN FRAME 1
3 STABILIZER FRAME 1
9 PLASTIC ELLIPTICAL SHOE 2
15 HEX HEAD CAP SCREW 3/8-16 X 2 3/8 2
18 FLAT WASHER SAE 3/8” 4
21 NYLON INSERT JAM LOCK NUT 3/8-16 2
2 RMA-320 Mini Ab Bench
Step 2 Assembly List
Item # Description Qty.
2 FOAM ROLL FRAME 1
5 FOAM FOOT ROLL 1 X 4 X 7 W/VINYL 2
6 FOAM ROLL 1” NYLINER BUSHING 4
7 ALUMINUM WASHER .390 ID X 1.500 OD 2
16 HEX HEAD CAP SCREW 1/2-13 X 5 1/2 2
17 BUTTON HEAD SCREW 3/8-16 X 1 2
19 FLAT WASHER SAE 1/2” 2
20 SPLIT LOCK WASHER 3/8” 2
22 NYLON INSERT JAM LOCK NUT 1/2-13 1
Step 3 Assembly List
Item # Description Qty.
8 SEAT PAD 1
14 HEX HEAD CAP SCREW 3/8-16 X 2 3/4 2
18 FLAT WASHER SAE 3/8” 2
3RMA-320 Mini Ab Bench
COLOR CHART
BOLD FONT = SUB-ASSEMBLY PARTS
BLACK= HARDWARE
ITEM DESCRIPTION REV PART NO. QTY ITEM DESCRIPTION PART NO. QTY
1 MAIN FRAME 0 UP5318 1
2 FOAM ROLL FRAME 0 UP5319 1
3 STABILIZER FRAME 0 UP5320 1
4
NYLON TUBE 1/2 X 3/4 X 4 9/16 BNH2099
5 FOAM FOOT ROLL 1 X 4 X 7 W/VINYL UP3785
6
FOAM ROLL 1" NYLINER BUSHING BNH2025
7
ALUMINUM WASHER .390 ID X 1.500 OD X .150 THK BNH1541
8
SEAT PAD UP5321
9
PLASTIC HORIZONTAL ELLIPTICAL SHOE BNH1847
10
URETHANE BUMPER 962 BNH0244
11
BRONZE BUSHING 1/2 X 5/8 X 1/2 X 7/8 X 1/8 BNH0528
12
RUBBER FOOT FOR 6 X 4 1/4 PLATE BNH1647
13
BLACK WHEEL 3/8 X 3 X 1 1/4 W/BEARING BNH0300
RMA-320
Parts List
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15
16
117
18
2
419
220
21
1
222
123
224
125
226
REV0
HEX HEAD CAP SCREW GR-5 Z/P 3/8-16 X 2 3/4 BNH2045
HEX HEAD CAP SCREW GR-5 Z/P 3/8-16 X 2 3/8 BNH2043
HEX HEAD CAP SCREW GR-5 Z/P 1/2-13 X 5 1/2 BNH2066
BUTTON HEAD SOCKET CAP SCREW Z/P 3/8-16 X 1 BNH2033
FLAT WASHER SAE Z/P 3/8" BNH2030
FLAT WASHER SAE Z/P 1/2" BNH2031
SPLIT LOCK WASHER Z/P 3/8" BNH2032
NYLON INSERT JAM LOCK NUT Z/P 3/8-16 BNH2026
NYLON INSERT JAM LOCK NUT Z/P 1/2-13 BNH2027
FLAT PHILLIPS SCREW ZINC # 2 X 1/2 BNH1480
HEX KEY ALLOY 7/32" BNH0575
TUFFSTUFF LOGO ALUMINUM SMALL BNH1323
DECAL-CAUTION WEIGHT TRAINING SAFETY... BNH0126
2
4
2
2
10
4
2
4
2
2
1
1
1
17
20
8
1
4
7
5
19
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22
19
16
11
18
14
6
10
14
6
2
15
9
18
11
15
19
23
25
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16
9
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18
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21
18
13
18
15
3
21
13
18
4 RMA-320 Mini Ab Bench
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