
ASSEMBLY INSTRUCTIONS
40 1/2"
42 3/4"
RBT-338
Bicep / Tricep 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
39 1/2"
RBT-338 Rev0
Revision Date 6-12-2007

Introduction
About the RBT-338 Bicep / Tricep Bench
Congratulations on your new purchase of the Bicep / Tricep
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 - 200 lbs.
2. Total Machine Weight - 125 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 Bicep / Tricep 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 7/8” combination wrench1.
One 9/16” combination wrench2.
One 1/2” combination wrench3.
One ratchet4.
One 9/16” socket5.
One hammer6.
Rubber Mallet7.
Windex or household glass cleaner8.
Measuring tape9.
Utility knife10.
Hardware Measurement Diagram
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38
Step 1 Assembly List
Item # Description Qty.
1 MAIN FRAME 1
2 SIDE FRAME 1
37 NYLON INSERT JAM LOCK NUT 3/8-16 4
38 FLAT WASHER SAE 3/8” 8
41 HEX HEAD CAP SCREW 3/8-16 X 5 2
44 HEX HEAD CAP SCREW 3/8-16 X 3 2
38
37
41
38
1
38
37
2
2 RBT-338 Bicep / Tricep Bench

6
34
9
2
Item # Description Qty.
32
Step 2 Assembly List
5 WEIGHT HOLDER 1
6 CIRCULAR PLATE W/AXLE 1
9 SWING ARM 1
32 ROLL PIN 3/8 X 1 1/2 1
34 NYLON FLAT WASHER 1 1/32 X 1 55/64 1
5
26
3
38
19
Step 3 Assembly List
Item # Description Qty.
3 ADJUSTABLE SEAT FRAME 1
25 ARM PAD / PREACHER CURL PAD 1
26 UPH PAD 1
38 FLAT WASHER SAE 3/8” 4
43 HEX HEAD CAP SCREW 3/8-16 X 1 1/4 4
45 HEX HEAD CAP SCREW 5/16-18 X 3/4 1
46
7
8
35
33
1
12
11
12
25
38
43
42
1
45
13
39
Step 4 Assembly List
Item # Description Qty.
7 LEG HOLD DOWN FRAME 1
8 FOAM ROLL TUBE 1 X 21 1/4 1
11 FOAM FOOT ROLL 1 X 4 X 7 W/VINYL 2
12 FOAM ROLL 1” NYLINER BUSHING 4
13 ALUMINUM WASHER .390 X 1.500 X .150 2
19 PLASTIC INSERT CAP ELLIPTICAL 1 1/2 X 3 1
33 ALUMINUM COLLAR 1.0312 X 1.521 X .500 2
35 SOCKET SET SCREW 10-32 X 1/4 4
39 SPLIT LOCK WASHER 3/8” 2
42 BUTTON HEAD SCREW 3/8-16 X 1 2
46 SOCKET SET SCREW 1/4-20 X 1/4 1
43
3RBT-338 Bicep / Tricep 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 UP5323 1
2 SIDE FRAME 0 UP5324 1
3 ADJUSTABLE SEAT FRAME 0 UP5325 1
4 SWIVEL HOUSING HANDLE 0 UP5326 1
5 WEIGHT HOLDER 0 UP5327 1
6 CIRCULAR PLATE W/AXLE 0 UP5328 1
7 LEG HOLD DOWN FRAME 0 UP5329 1
8 FOAM ROLL TUBE 1 X 21 1/4 0 UP5330 1
9 SWING ARM 0 UP5331 1
10 ADJUSTABLE RELEASE HOLDER 0 UP3739 2
11 FOAM FOOT ROLL 1 X 4 X 7 W/VINYL 0 UP3785 2
12 FOAM ROLL 1" NYLINER BUSHING BNH2025 4 42 BUTTON HEAD SOCKET CAP SCREW Z/P 3/8-16 X 1 BNH2033 3
13 ALUMINUM WASHER .390 ID X 1.500 OD X .150 THK BNH1541 2 43 HEX HEAD CAP SCREW GR-5 Z/P 3/8-16 X 1 1/4 BNH2038 4
15 PLASTIC HORIZONTAL ELLIPTICAL SHOE BNH1847 3 44 HEX HEAD CAP SCREW GR-5 Z/P 3/8-16 X 3 BNH2046 2
16 RUBBER DONUT 1 X 2 1/2 BNH0062 1 45 HEX HEAD CAP SCREW GR-5 Z/P 5/16-18 X 3/4 BNH2049 1
17 NYLON BUSHING 1 X 1 1/2 X 7/8 X 1 3/4 X 1/8 BNH0531 2 46 SOCKET SET SCREW ALLOY 1/4-20 X 1/4 BNH0790 1
18 PLASTIC INSERT CAP ELLIPTICAL 2 X 4 BNH1794 1 47 CHROME WASHER 3/8 X 1 1/2 BNH1015 1
19 PLASTIC INSERT CAP ELLIPTICAL 1 1/2 X 3 BNH1795 1 48 FLAT PHILLIPS SCREW ZINC # 2 X 1/2 BNH1480 2
20 PLASTIC INSERT CAP 1 3/4" RD 10-14 GA BNH0011 1 49 SAFETY TAPE ANTI-SLIP 4 X 14 BNH2104 1
21 PLASTIC INSERT ELLIPTICAL GUIDE (2X4) BNH1760 2 50 URETHANE BUMPER 962 BNH0244 3
22 ALUMINUM CAP 1.020" RD (CAP-100) BNH0537 2 51 HEX KEY ALLOY 7/32" BNH0575 1
23 SOCKET SET SCREW ALLOY 10-32 X 1/8 BNH0473 5 53 HEX KEY ALLOY 3/32" BNH0372 1
24 BALL BEARING #W 516 BNH0628 2 54 HEX KEY ALLOY 1/8" BNH0767 1
25 ARM PAD / PREACHER CURL PAD UP3986 1
26 UPH PAD UP3914 1
27 RUBBER GRIP 1 ID X .125 X 8 3/4 BNH2102 2 57 DECAL-DANGER TIGHTEN THIS RETAINING... BNH0142 1
28 RELEASE LEVER PROTECTIVE COVER BNH1940 2 58 DECAL-IMPORTANT FOR BEST PERFORMANCE... BNH1894 2
29 PULL PIN 1/2 X 3 1/2 (YELLOW) BNH0603 1 59 DECAL-WARNING ATTENTION USERS! MOVING PARTS... BNH1895 1
30 PULL PIN 1 X 5 1/2 (YELLOW) BNH2084 1
RBT-338
Parts List
REV0
31 STIFF SPRING 17/32 X 1 1/2 BNH0519 2
32 ROLL PIN Z/P 3/8 X 1 1/2 BNH0483 1
33 ALUMINUM COLLAR 1.0312 X 1.521 X .500 BNH1519 2
34 NYLON FLAT WASHER 1 1/32 ID X 1 55/64 OD X 1/8 TH BNH0240 2
35 SOCKET SET SCREW ALLOY 10-32 X 1/4 BNH1522 4
36 BUTTON HEAD SOCKET CAP SCREW Z/P 3/8-16 X 3/4 BNH2103 1
37 NYLON INSERT JAM LOCK NUT Z/P 3/8-16 BNH2026 6
38 FLAT WASHER SAE Z/P 3/8" BNH2030 16
39 SPLIT LOCK WASHER Z/P 3/8" BNH2032 3
40 HEX HEAD CAP SCREW GR-5 Z/P 3/8-16 X 2 1/2 BNH2044 2
41 HEX HEAD CAP SCREW GR-5 Z/P 3/8-16 X 5 BNH2051 2
55 TUFFSTUFF LOGO ALUMINUM SMALL BNH1323 1
56 DECAL-CAUTION WEIGHT TRAINING SAFETY... BNH0126 1
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42
12
39
11
33
35
26
3
22 23
27
4
34
6
23
38
25
19
43
46
9
43
15
29
18
24
5
50
16
20
40
21
10
38
42
39
47
17
36
38
37
7
8
28
44
40
31
10
37
50
41
28
48
55
49
30
32
31
2
15
1
45
38 37
4 RBT-338 Bicep / Tricep Bench