NordicTrack 831.159770 User Manual
CAUTION
Read all precautions and instructions in this manual before using
this equipment. Save this manual
for future reference.
Model No. 831.159770
Serial No.
The serial number is found in the
location shown below. Write the
serial number in the space above.
USER’S MANUAL
QUESTIONS?
As a manufacturer, we are committed to providing complete
customer satisfaction. If you
have questions, or if there are
missing parts, we will guarantee
complete satisfaction through
direct assistance from our factory.
TO AVOID DELAYS, PLEASE
CALL DIRECT TO OUR TOLLFREE CUSTOMER HOT LINE.
The trained technicians on our
customer hot line will provide
immediate assistance, free of
charge.
CUSTOMER HOT LINE:
1-888-825-2588
Mon.–Fri., 6 a.m.–6 p.m. MST
Serial Number Decal
Visit our website at
www.nordictrack.com
new products, prizes,
fitness tips, and much more!
2
IMPORTANT PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
BEFORE YOU BEGIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
CABLE DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
WEIGHT RESISTANCE CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
TROUBLE-SHOOTING AND MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
EXERCISE GUIDELINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
ORDERING REPLACEMENT PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back Cover
LIMITED WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back Cover
Note: A PART IDENTIFICATION CHART and a PART LIST/EXPLODED DRAWING are attached in the center of
this manual. Remove the PART IDENTIFICATION CHART and PART LIST/EXPLODED DRAWING before beginning assembly.
NordicTrack is a registered trademark of ICON Health & Fitness, Inc.
TABLE OF CONTENTS
1. Read all instructions in this manual and in
the accompanying literature before using the
weight system. Use the weight system only
as described in this manual.
2. It is the responsibility of the owner to ensure
that all users of the weight system are adequately informed of all precautions.
3. The weight system is intended for home use
only. Do not use the weight system in a commercial, rental, or institutional setting.
4. Use the weight system only on a level surface. Cover the floor or carpet beneath the
weight system to protect the floor.
5. Make sure all parts are properly tightened
each time you use the weight system.
Replace any worn parts immediately.
6. Keep children under the age of 12 and pets
away from the weight system at all times.
7. The weight system is designed to be used by
only one person at a time. The weight system is designed to support a maximum user
weight of 250 pounds.
8. Always wear athletic shoes for foot protection while exercising.
9. Always disconnect the lat bar from the
weight system when performing an exercise
that does not require it.
10. Make sure the cables remain on the pulleys
at all times. If the cables bind while you are
exercising, stop immediately and make sure
the cables are on all of the pulleys.
11. Always stand on the foot plate when performing an exercise that could cause the
weight system to tip.
12. Never release the press arm, leg lever, lat
bar, leg press, ab strap, or ankle strap while
weights are raised. The weights will fall with
great force.
13. Keep hands and feet away from moving
parts.
14. Insert the weight pin fully into the weight
stack before exercising.
15. If you feel pain or dizziness at any time while
exercising, stop immediately and cool down.
16. The warning decals
shown here have
been placed on the
weight system in the
locations shown on
page 4. Note that
decals number 2 and
3 have been placed
in two locations
each. If a decal is
missing or illegible,
please call our
Customer Service
Department toll-free
at 1-888-825-2588,
Monday through
Friday, 6 a.m. until
6 p.m. Mountain
Time, to order a free
replacement decal.
Place the decal on
the weight system in
the location shown
on page 4.
WARNING: Before beginning this or any exercise program, consult your physician. This
is especially important for persons over the age of 35 or persons with pre-existing health problems.
Read all instructions before using. ICON assumes no responsibility for personal injury or property
damage sustained by or through the use of this product.
3
WARNING: To reduce the risk of serious injury, read the following important precau-
tions before using the weight system.
Warning Decal No. 1
Warning Decal No. 2
• Keep clear of
this area.
IMPORTANT PRECAUTIONS
Keep hands and
fingers clear of
this area.
Warning Decal No. 3
BEFORE YOU BEGIN
4
ASSEMBLED
DIMENSIONS:
Height: 81 in.
Width: 72 in.
Length: 64 in.
Low Pulley Station
Foot Plate
High Pulley Station
Curl Pad
Shroud
Seat
Leg Press
Backrest
Leg Lever
Thank you for selecting the versatile NordicTrack
®
VERTEX 670 weight system. The VERTEX 670 offers
a selection of weight stations designed to develop
every major muscle group of the body. Whether your
goal is to tone your body, build dramatic muscle size
and strength, or improve your cardiovascular system,
the VERTEX 670 will help you to achieve the results
you want.
For your benefit, read this manual carefully before
using the weight system. If you have additional ques-
tions, please call our Customer Service Department
toll-free at 1-888-825-2588, Monday through Friday,
6 a.m. until 6 p.m. Mountain Time (excluding holidays).
To help us assist you, please note the product model
number and serial number before calling. The model
number is 831.159770. The serial number can be
found on a decal attached to the weight system (see
the front cover of this manual).
Before reading further, please review the drawing below
and familiarize yourself with the parts that are labeled.
AB Pulley Station
Press/Fly Arm
Lat Bar
Weight Stack
Warning
Decal
No. 3
Warning
Decal
No. 2
Warning
Decal
No. 2
Warning
Decal
No. 1
5
Make sure you have the following tools:
• Two adjustable wrenches
• One standard screwdriver
• One phillips screwdriver
• One rubber mallet
• You will also need grease or petroleum jelly, and a
small amount of soapy water.
Note: Assembly will be more convenient if you have
a socket set, a set of open-end or closed-end
wrenches, or a set of ratchet wrenches.
How to Identify Parts
To help you identify the small parts used in assembly,
we have included a PART IDENTIFICATION CHART
in the center of this manual. Place the chart on the
floor and use it to easily identify parts during each
assembly step. Note: Some small parts may have
been pre-attached. If a part is not in the parts
bag, check to see if it has been pre-attached.
How to Orient Parts
As you assemble the weight system, orient all parts
exactly as shown in the drawings.
Tightening Parts
Tighten all parts as you assemble them, unless
instructed to do otherwise.
Questions?
If you have questions after reading the assembly
instructions, please call our Customer Service
Department toll-free at 1-888-825-2588 Monday
through Friday, 6 a.m. until 6 p.m. Mountain Time.
Assembly Requires Two Persons
For your convenience and safety, assemble the
weight system with the help of another person.
Set Aside Enough Time
Due to the many features of the weight system, the
assembly process will require a few hours. By setting aside plenty of time and by deciding to make
the task enjoyable, assembly will go smoothly. You
may want to assemble the weight system over a
couple of evenings.
Select a Location for the Weight System
Because of its weight and size, the weight system
should be assembled in the location where it will be
used. Make sure that there is enough room to walk
around the weight system as you assemble it.
How to Unpack the Box
To make assembly as easy as possible, we have
divided the assembly process into four stages. The
parts needed for each stage are found in individual
bags. Important: Wait until you begin each stage
to open the parts bag for that stage. Place all
parts of the weight system in a cleared area and
remove the packing materials. Do not dispose of
the packing materials until assembly is completed.
Make Assembly Easier for Yourself
Everything in this manual is designed to
ensure that the weight system can be assembled successfully by anyone. Before begin-
ning assembly, make sure to read the
information on this page; this brief introduction will save you much more time than
it takes to read it.
The Four Stages of the Assembly Process
Frame Assembly—You will begin by assembling
the base and the uprights that serve as the skeleton of the weight system.
Arm Assembly—During this stage you will
assemble the press arm, leg lever, handles, and
leg press.
Cable Assembly—During this stage you will
attach the cables and pulleys that connect the
arms and other parts to the weights.
Seat Assembly—During this stage you will
assemble the seats, the backrests, the curl pad,
the shroud, and other miscellaneous parts.
ASSEMBLY
6
1.
Open the parts bag labeled “FRAME ASSEMBLY.”
Press two 2” x 3” Inner Caps (24) into the ends of
the Stabilizer (5). Press a 2” x 3” Inner Cap and a
2” Square Inner Cap (33) into the Main Upright
(3) in the indicated locations.
Insert three 3/8” x 3 3/4” Carriage Bolts (52) and
a 3/8” x 5” Carriage Bolt (82) into the indicated
holes in the Stabilizer (5).
Attach the Main Upright (3) to the Stabilizer (5)
with the two indicated 3/8” x 3 3/4” Carriage Bolts
(52) and two 3/8” Nylon Locknuts (50). Do not
tighten the Nylon Locknuts yet.
1
24
52
82
52
5
24
81
78
50
33
24
3
33
2. Press a 2” x 3” Inner Cap (24) into the end of the
Base (8). Press two 2” Square Inner Caps (33)
into the Leg Lever (29) and the front leg on the
Base. Note: Do not fully insert the 2” Square
Inner Cap into the Base; it will need to be
removed later to attach the Curl Post (not
shown).
Attach the Base (8) to the Main Upright (3) with a
3/8” x 4” Bolt (65), a 3/8” Washer (55), and a 3/8”
Nylon Locknut (50). The Bolt must be inserted
from the side shown. Do not tighten the Nylon
Locknut yet.
Slide two 5/16” x 3” Bolts (78) through the Base
(8) and the Main Upright (3), and hand tighten
two 5/16” Nylon Locknuts (81) onto the Bolts. Do
not tighten the Nylon Locknuts yet.
Before beginning assembly, make sure you
have read and understood the information
on page 5. This brief introduction will save
you much more time than it takes to read it.
2
65
50
55
24
29
8
Front
Leg
3
Frame Assembly
3. Place two Weight Bumpers (19) over the indicated holes in the Stabilizer (5). Insert the two
Weight Guides (23) into the Weight Bumpers and
the Stabilizer.
Attach the indicated Weight Guide (23) to the
Stabilizer (5) with a 3/8” x 2 1/2” Bolt (54), two
5/8” x 1/2” Bushings (42), two 3/8” Washers (55),
and a 3/8” Nylon Jamnut (63).
3
23
55
5
19
63
55
42
42
54
4. Open the parts bag labeled “Weight Inserts.”
See the inset drawing. Press two Weight Inserts
(77) into the indicated holes in each Weight (26).
Make sure the large pin groove is oriented as
shown.
Slide all nineteen Weights (26) onto the Weight
Guides (23). Make sure the Weights are orient-
ed correctly; the pin grooves must be on the
side shown.
Press the Weight Tube Bumper (47) into the bottom of the Weight Tube (36).
Slide the Top Weight (16) onto the Weight Guides
(23). Insert the Weight Tube (36) into the Weights
(26).
4
23
16
36
47
26
Pin
Grooves
77
26
Large Pin
Groove
7
8
7. Turn the Adjustment Knob (9) on the Sliding Seat
Frame (74) counterclockwise to loosen it. Pull out
the Knob as far as possible and slide the Sliding
Seat Frame onto the Seat Frame Channel (88).
Release the Knob and let it engage one of the
adjustment holes in the Seat Frame Channel.
Tighten the Knob fully.
Press a 2” Square Inner Cap (33) into the top of
the Sliding Seat Frame (74). Press a 2” Square
Inner Cap into the indicated end of the Seat
Frame Channel (88). Press the Angle Cap (99)
and the Flat Plate (4) onto the other end of the
Seat Frame Channel.
7
9
99
4
88
74
33
33
Adjustment
Holes
8. Attach the Seat Frame Channel (88) to the Leg
Press Base (84) with four 3/8” x 3” Carriage Bolts
(64) and four 3/8” Nylon Locknuts (50).
Tighten the 3/8” Nylon Locknuts (50) used in
steps 1 and 2.
8
64
50
50
88
84
64
50
50
45
60
1
23
50
5
50
Welded
Tubes
Bracket
3
6. Press a 2” x 3” Inner Cap (24) into the end of the
Leg Press Base (84).
Slide the Leg Press Base (84) onto the 3/8” x
3 3/4” Carriage Bolt (52) and the 3/8” x 5”
Carriage Bolt (82) in the Stabilizer (5). Tighten a
3/8” Nylon Locknut (50) onto the 3/8” x 3 3/4”
Carriage Bolt. Do not place a Nylon Locknut on
the 3/8” x 5” Carriage Bolt yet.
6
84
24
82
52
50
5
5. Slide the welded tubes on the Top Frame (1) over
the upper ends of the Weight Guides (23). Align
the bracket on the Top Frame with the indicated
holes in the Main Upright (3). Insert two 3/8” x 3”
Bolts (45) into the holes. Thread a 3/8” Nylon
Locknut (50) onto the lower Bolt. Do not thread a
Locknut onto the upper Bolt yet.
Attach the Weight Guides (23) to the Top Frame
(1) with two 3/8” x 1 3/4” Bolts (60) and two 3/8”
Nylon Locknuts (50).
9
10. Attach the two Leg Press Attachments (100) to
the Rear and Forward Leg Press Uprights (97,
98) with two 3/8” x 3 1/4” Bolts (87) and two 3/8”
Nylon Jamnuts (63).
10
11. Attach the Leg Press Plate (85) to the Leg Press
Attachments (100) with two 3/8” x 3 1/4” Bolts
(87), eight 3/8” Washers (55), and two 3/8” Nylon
Jamnuts (63).
Note: All eight of the 3/8” Washers (55) must
be between the Leg Press Attachments (100)
and the welded tube on the Leg Press Plate
(85).
12. Attach a Handle (95) to the Sliding Seat Frame
(74) with two 1/4” x 1 1/2” Bolts (101) and two 1/4”
Nylon Locknuts (25).
Attach the other Handle (95) in the same manner.
101
95
85
74
11
12
25
95
9
9. Open the parts bags labeled “ARM ASSEM-
BLY.”
Attach the Rear and Forward Leg Press Uprights
(97, 98) to the Leg Press Base (84) with two 3/8”
x 3 1/4” Bolts (87) and two 3/8” Nylon Locknuts
(50). Note: The Rear Leg Press Upright (97)
has an extra hole in it.
Press two 2” Square Inner Caps (33) into the
Rear and Forward Leg Press Uprights (97, 98).
98
97
33
87
84
50
Arm Assembly
87
87
100
87
98
63
97
100
100
55
55
55
63
10
80
80
Front
Leg
81
8
78
13. Attach the Leg Lever Lock (11) to the front leg of
the Base (8) with a 5/16” x 3” Bolt (78), three
5/16” Washers (80), and a 5/16” Nylon Locknut
(81). Do not overtighten the Nylon Locknut; the
Leg Lever Lock must pivot easily.
14
15
18
Lubricate
33
12
51
11
50
3
13
14. Press two 2” Square Inner Caps (33) into the top
of the Press Frame (12). Press two 3/4” x 1/2”
Flange Bushings (18) into the Main Upright (3).
Remove the 3/8” x 9” Bolt (51), the Large Washer
(104), and the 3/8” Nylon Locknut (50) from the
Press Frame (12). Lubricate the Bolt. Attach the
Press Frame to the Main Upright (3) with the Bolt,
Washer, and Locknut. Do not overtighten the
Bolt and Locknut; the Press Frame must be
able to pivot easily.
15. Lubricate the flat surfaces of the four Large
Bushings (48).
Attach the Left Press/Fly Arm (49) to the Press
Frame (12) with a 3/8” x 3” Carriage Bolt (64) and
a 3/8” Nylon Jamnut (63). Make sure to attach
the Left Press/Fly Arm on the correct side by
noting the position of the tab.
Press a 2” Round Inner Cap (57) and a 1” Round
Inner Cap (103) into the Left Press/Fly Arm (49).
Wet the handle on the Left Press/Fly Arm (49)
with soapy water. Slide an Arm Grip (58) onto the
handle.
Insert an Adjustment Pin (20) into the Press
Frame (12) and the hole in the tab on the Left
Press/Fly Arm (49).
Repeat this step with the Right Press/Fly Arm
(46).
104
20
Lubricate
Ta b
Handle
48
20
12
57
103
63
64
58
46
49
18. Route the Leg Press Cable (76) under a 4” Pulley
(35). Attach the Pulley and a Cable Trap (44) to
the Leg Press Base (84) with a 3/8” x 3 3/4” Bolt
(92), a 3/8” Washer (55), and a 3/8” Nylon
Locknut (50). Be sure that the Cable Trap (44)
is positioned to hold the Cable in the pulley
groove.
19. Wrap the Leg Press Cable (76) around a 4”
Pulley (35). Attach the Pulley and a Cable Trap
(44) to the 3/8” x 5” Carriage Bolt (82) in the
Stabilizer (5) with a 3/8” Nylon Locknut (50).
Be sure that the Leg Press Cable (76) is routed in the direction shown, and that the Cable
Trap (44) is positioned to hold the Cable in the
pulley groove.
17. Wrap the Leg Press Cable (76) up around a 4”
Pulley (35). Attach the Pulley and a Cable Trap
(44) to the Rear Leg Press Upright (97) with a 3/8”
x 3 3/4” Bolt (92), a 3/8” Washer (55), and a 3/8”
Nylon Locknut (50).
Be sure that the Leg Press Cable (76) is routed in the direction shown, and that the Cable
Trap (44) is positioned to hold the Cable in the
pulley groove.
17
55
44
97
35
76
50
18
44
84
76
55
92
50
19
76
50
35
82
5
44
16. Open the parts bags labeled “CABLE ASSEM-
BLY” and “4 PULLEYS.” Refer to the CABLE
DIAGRAM on page 21 to identify the cables
and for correct cable routing.
Locate the Leg Press Cable (76). Attach the Leg
Press Cable to the indicated hole in the Leg
Press Base (84) with a 3/8” x 3” Bolt (45), two
3/8” Washers (55), a 5/8” x 1/4” Bushing (90), and
a 3/8” Nylon Jamnut (63).
16
55
55
76
90
84
63
45
11
92
35
Cable Assembly
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