Nautilus 19-4944 User manual

Contents
Parts Manual
FRAME ASSEMBLY
LINKAGE ASSEMBLY
HANDLE BAR ASSEMBLY
BELT & PULLEY ASSEMBLY
WEIGHT STACK ASSEMBLY
PARTS LIST
1
2
3
4
5
6
Maintenance Manual
Follows page 6
See last pages of this manual for 2ST
Floor Plan Kit and 2ST Strength Circuit
Exercise Order Diagram.
TM ®
1
23
4
5
6
7
9
19
22
23
24
25
79
K
WEIGHT ASSISTED
CHIN-UP/DIP
REVISED: January 15, 1999
SERIAL NO.'S
______________
through
______________
SERVICE
MANUAL
19-4944
TM

PARTS AND SERVICE
709 Powerhouse Road • Independence, Virginia 24348
800-235-2233 • Fax: [phone]

FRAME ASSEMBLY
1
TM ®Weight Assisted Chin-Up/Dip
1
2
4
10
11
12
13
18
20
45
46
47
48
49
50
52
53
54
55
56
57
58
59
60
67
76
78
49 18
18
52
48
18
18
18
60
67
76
10
11
54
54
54
55
59
49
18
18
18
18
45
45
45
13
12
54
13
12
13
12
52
52 52
52
47
49
52 52
49
52
45
54
3

2
TM ®Weight Assisted Chin-Up/Dip
6
7
8
9
14
15
16
21
28 32
34
35
36
61
67
70
71
76
LINKAGE ASSEMBLY
32 28
16
15 3516
15
36
28 32
32
28
36
36
35
35
43 34

HANDLE BAR ASSEMBLY
3
TM ®Weight Assisted Chin-Up/Dip
5
29
30
31
33
37
38
39
41
42
62
64
68
73
75
41
29
31
30
42
39
30
30
7 4
68

BELT & PULLEY ASSEMBLY
4
TM ®Weight Assisted Chin-Up/Dip
60
61
63
65
67
70
71
72
75
76
77
80
76
76
72
63
65
67
67
60

USE CAUTION
WHENWORKING
WITHWEIGHT
STACK !
09-27-99 5
WEIGHT ASSISTED CHIN-DIP
WEIGHT STACK
REF# PART# DESCRIPTION
WS06 220 lb. WEIGHT STACK (20-220)
A............01-1185 ......BOLT HH5 3/8 X 3 1/2 BLACK
B............03-1035 ......3/8 NUT NTE BLACK
C ...........04-5070 ......RUBBER WASHER 3/4 X 1 1/2 X 1/2
D ...........05-4020 ......BUSHING PLASTIC (WTS.)
E............05-4035 ......TOP WEIGHT BUSHING
F............06-8150 ......SNAP RING 5100-125 EXTERNAL
G ...........07-4000 ......BEARING PLASTIC .376 ID X 3/8 L 6L6-F TYPE 5
H ...........07-8296 ......PIN WEIGHT SELECTOR W/MAGNET 4" LENGTH
I.............08-5015 ......SPACER NYLON (WACD) 7/16 OD X 25/64 X 31/32
J ............09-6135 ......ROLLER BOLT WEIGHT STACK PIN
K............12-1024 ......DECAL WARNING 3"
L............12-1282 ......WEIGHT STACK DECAL 20-310 lbs & kgs
M...........17-1550 ......GUIDE ROD 65 13/16 L
N ...........17-2060 ......WEIGHT BOTTOM 1 X 3 10LB
O ...........17-2070 ......WEIGHT TOP 2 X 3 20LB
P............17-4115 ......WEIGHT STACK PIN 24 HOLE, 25 1/4 (powder paint)
Q ...........19-1340 ......PLATE WT. SUPPORT BOTTOM
R ...........06-2005 ......CHAIN LINK #100 CONNECTING LINK
A
B
C
D
E
G
I
J
L
M
N
O
P
Q
F
F
M
D
E
H
R

WEIGHT ASSISTED CHIN-DIP
REF# PART# DESCRIPTION
WL25 WELDMENT KIT WEIGHT ASSIST CHIN DIP
1............BF15...........BACKFRAME ASSEMBLY
2............BSF27 ........STEP FRAME ASSEMBLY
3............BSF28 ........STEP FRAME ASSEMBLY
4............CM34..........CROSSMEMBER ASSEMBLY
5............HB30 ..........HANDLEBAR ASSEMBLY
6............LK17...........LINKAGE ASSEMBLY
7............LK18...........LINKAGE ASSEMBLY
8............LK530.........LINKAGE ASSEMBLY
9............MA66..........MOVEMENT ARM ASSEMBLY
UPH22 UPHOLSTERY KIT WEIGHT ASSIST CHIN DIP
10..........14-6321 ......FOOTPAD LEFT WACD
11..........14-6322 ......FOOTPAD RIGHT WACD
12..........01-1121 ......BOLT HH5 3/8 X 2 BLACK
13..........04-5213 ......3/8 INT LOC WASHER BLACK
14..........14-6323 ......KNEE PAD WACD
15..........02-9220 ......BOLT HH5 3/8 X 1 1/4 BLACK
16..........04-5213 ......3/8 INT LOC WASHER BLACK
SH52 SHIELD KIT WEIGHT ASSIST CHIN DIP
17..........03-4040 ......NUT INSERT 1/4-20 X 5/8"
18..........03-4060 ......NUT CLIP 1/4-20
19..........12-1026 ......KEEP HANDS AWAY
20..........12-1106 ......DECAL "DO NOT DISENGAGE WEIGHTS"
21..........12-1107 ......DECAL WARNING NWACD
22..........12-2794 ......PLACARD NWACD
23..........14-1971 ......SHIELD WACD LEFT SIDE
24..........14-1972 ......SHIELD WACD RIGHT SIDE
25..........14-1973 ......SHIELD WACD INNER
26..........19-4944 ......PARTS DIAGRAM WAC
27..........02-4070 ......SHIELD SCREWS
MV13 MOVEMENT ARM KIT WEIGHT ASSIST CHIN DIP
28..........01-2180 ......BOLT HH5 5/8 X 1 1/2 BLACK
29..........01-3250 ......BOLT SH 3/4 X 2 1/4
30..........02-4170 ......10-32 X 1/8 SET SCREW
31..........02-4147 ......ALLEN BUTTON HD 1/2-20 X 2 FINE THREAD
32..........04-5215 ......5/8 INT LOC WASHER BLACK
33..........05-1070 ......BRASS BUSHING FLANGE 3/4 X 1 X 3/4
34..........06-8220 ......SNAP RING EXT. INVERTED 3/4" P/N 5108-75
35..........06-8260 ......SNAP RING 1 3/8" INV. EXT. 5008-137
36..........07-1060 ......BEAR ROLLER, 5/8" CARTER .625 X 1.375 X .750
37..........07-9030 ......CHIN-UP BAR
38..........09-1145 ......GRIP FOAM .938" X 21" OPEN END
39..........09-1135 ......GRIP FOAM .938" X 12" OPEN END
40..........09-3073 ......9/16 BLACK HOLE PLUG
41..........09-4080 ......RUBBER BUMPER 1" OD X 1/4" THICK
42..........09-8051 ......GRIP CAP 1 1/8 I.D.
43..........09-8320 ......BUSHING STOP BUMPER (NYLON) 1" DIA X 3"
FR21 FRAME KIT WEIGHT ASSIST CHIN DIP
44..........01-1261 ......BOLT HH5 1/2 X 1
45..........01-1261 ......BOLT HH5 1/2 X 1 BLACK
46..........01-1560 ......BOLT HH5 1/2 X 1 3/4
47..........01-1321 ......BOLT HH5 1/2 X 2 1/2
48..........01-1351 ......BOLT HH5 1/2 X 3 1/4
49..........03-1055 ......1/2 NUT NTE
50..........04-5207 ......1/2 FLAT WASHER SAE
51..........04-5214 ......1/2 INT LOC WASHER
52..........04-5214 ......1/2 INT LOC WASHER BLACK
53..........09-1120 ......GRIP 1 1/4 X 14 1/2 DIP BAR
54..........09-2020 ......PLUG FRAME 1 1/2 SQ
55..........09-2070 ......PLUG FRAME 2 SQ
REF# PART# DESCRIPTION
56..........09-4040 ......RUBBER BUMPER 3/4 ID
57..........09-5010 ......RUBBER DOCK BUMPER
58..........09-5030 ......ROUND FOOTPADS
59..........09-5035 ......RECTANGULAR FOOTPADS
BLT24 BELT & PULLEY KIT WEIGHT ASSIST CHIN DIP
60..........01-2180 ......BOLT HH5 5/8 X 1 1/2 BLACK
61..........01-2185 ......BOLT HH5 5/8 X 2 1/2 BLACK
62..........01-3060 ......BOLT SH 1/2 X 1 1/2
63..........01-4030 ......BOLT BLACK 1/4-20 X 1 WHIZ FLANGE
64..........04-1035 ......3/8 NUT NTE
65..........03-4290 ......NUT BLACK 1/4-20 WHIZ FLANGE
66..........04-5213 ......3/8 INT LOC WASHER
67..........04-5215 ......5/8 INT LOC WASHER BLACK
68..........05-1030 ......BRASS BUSHING FLANGE 1/2 X 3/4 X 1/2
69..........06-2005 ......LINK CONNECTING #100 W/COTTER PINS
70..........06-5045 ......NYLON BELT ROLLER
71..........07-5072 ......ANTI-JUMP PIN SPACER
72..........07-8982 ......END STRAP CLAMP 1/4 X 1 1/4 X 2
73..........07-9040 ......PLATE ANCHOR SIDE 1/4 X 1 X 2 1/4 L (DRILLED)
74..........07-9050 ......PLATE ANCHOR SIDE 1/4 X 1 X 2 1/4 L (TAPPED)
75..........08-1120 ......PLASTIC SPACER 1/2 X 1 1/8
76..........09-8330 ......PULLEY NYLON 4"
77..........24-6030 ......BELT KEVLAR 104"
IN01 INSPECTION KIT
78..........12-1080 ......INSPECTION STICKER DECAL
79..........12-1088 ......DECAL NAUTILUS NAMEPLATE 2 1/2 x 9 1/4 long
80..........19-1291 ......DECAL SERIAL # BAR CODE
81..........40-7167 ......BAG 50 X 46 X 86 X .002 THICK
6

4
Nautilus warrants only to the original purchaser
that Nautilus® exercise equipment from the
manufacturer is free from defects in material and
workmanship under normal use and service. Our
obligation under this warranty shall be limited to the
repair or exchange at our plant (a) of any part or parts
of the structural frame, moving weldments or weight
stacks which may thus prove defective under normal
use and service for the lifetime of the product from
delivery to the original purchaser; (b) of any moving
part or parts not otherwise disclosed within this
warranty which thus may prove defective under
normal use and service within one (1) year from
delivery to the original purchaser; and (c) of any
upholstery, pads, grips or tethered weight pin
connectors which thus may prove defective under
normal use and service within 120 days from delivery
to the original purchaser. This warranty only applies
to those parts that our own examination discloses to
our satisfaction to be thus defective.
This warranty is expressly in lieu of all other
warranties, express or implied, including the
warranties of merchantability and fitness for use and
of all other obligations or liabilities on our part, and
we neither assume nor authorize any other person to
assume for us any other liability in connection with
the sale of this NAUTILUS® exercise equipment. This
warranty shall not apply to this NAUTILUS® exercise
equipment or to any part thereof which has been
subject to accident, negligence, alteration, abuse, misuse,
or a lack of maintenance in accordance with our
recommended maintenance instructions. We make no
warranty whatsoever in respect to accessories or parts
not manufactured by us and disclaim all warranties,
express or implied, as to such accessories and parts. The
term “original purchaser”, as used in this warranty, shall
be deemed to mean that person or entity for whom this
NAUTILUS® exercise equipment is originally installed.
This warranty shall apply only within the boundaries of
the continental United States.
NAUTILUS® shall not be liable for any loss or
damage, including incidental or consequential damages
resulting directly or indirectly from the use or loss of use
of our NAUTILUS® exercise equipment. Without
limiting the generality of the foregoing, this exclusion
from liability embraces the purchaser’s expenses for
downtime or for making up downtime, damages for
which the purchaser may be liable to other persons,
damages to property, and injury to or death of any
persons. We neither assume not authorize any person to
assume for us any liability in connection with sale or use
of our equipment. There are no oral agreements or
warranties collateral to or affecting this agreement.
Nautilus®Variable Resistance Warranty Limited
Warranty Terms & General Specifications
TM
®
Warranty Information
Kevlar™Belt Adjustment
Instructions
To adjust belt:
1. Remove the Shielding.
2. Remove the Tethered Weight-Pin from weight stack hole.
See Figure 3.
3. Lift top weight using the appropriate lifting mechanism
- in most cases the moving arms for exercising.
4. While top weight is suspended, insert a shim between
the first and second weight (two quarters will suffice).
5. Release top weight so the first stack is resting on the
shim.
6. Loosen the two bolts at the end of the belt and pull
through excess belting until tight.
7. Tightenbelt bolts and lift top weight to remove the shim.
8. Lower the mechanism to rest on the weight stack.
9. If belt is still loose, repeat this procedure until there is
no looseness at the beginning of an exercise.
10. If you experience difficulties in tightening the belts,
please contact your Nautilus service professional or call
1-800-NAUTILUS (1-800-235-2233), Parts & Service
Department, for assistance.
Belts require tightening when a lack of resistance and
uneven feel is noticed at the beginning of an exercise. USE
CAUTION AROUND THE WEIGHT STACK WHEN
TIGHTENING KEVLAR™ BELTS.
Figure 3
WARNING
Store indoors only. Do not subject
machine to high humidity or damp
conditions.
TWO
QUARTERS
FOR SHIMS
TOP
WEIGHT
STACK
WEIGHT-PIN
BOLTS
KG.
LB.
20 9
KG.
LB.
30 14
KG.
LB.
40 18
KG.
LB.
50 23
KG.
LB.
60 27
KG.
LB.
70 32
KG.
LB.
80 36
KG.
LB.
90 41

1
Getting maximum results from Nautilus®
machines depends on proper maintenance
of equipment.
Maintenance
INSTRUCTIONS
TM
®
Welcome
Contents
TM
Nautilus machines -- the culmination of years of research
and refinement -- are made from the highest quality
materials, under exacting conditions. The quality control
tag attached to each machine before shipping ensures that
each unit has been thoroughly inspected to meet Nautilus'
strict requirements.
Should you, the owner of a Nautilus machine, need to
replace any parts because of normal wear and tear, or should
your machine ever need maintenance, Nautilus invites you
to call our Virginia Headquarters office for information on
parts and service.
Nautilus has available: detailed isometric drawings on
the website @ www.nautilus.com for each machine
manufactured, genuine Nautilus Upholstery Pads,
Naugahyde® Spray Cleaner/Conditioner recommended for
Nautilus upholstery pads and TFL #50 Wet Lubricant
recommended for the care of the guide rods of Nautilus
selectorized resistance machines.
Nautilus’ concern for the customer does not end with
the purchase of equipment. Your comments are always
welcomed. In the unlikely event that a problem occurs, call
us toll free:
Nautilus
Customer Service
1-800-235-2233
Fax: [phone]
Parts & Services
Regular and scheduled maintenance will prolong the life
of your Nautilus equipment. Should you have to replace
parts, use only genuine Nautilus parts. The Nautilus
Customer Service Team invites you to call in your order
for replacement parts. They’re never too busy to discuss
or offer a tip on your maintenance tasks.
Congratulations on choosing Nautilus® Variable
Resistance strength training equipment. The addition
of several exciting new features to the Nautilus® line,
as outlined in these instructions, ensures that your
equipment will operate with little scheduled
maintenance. We know this is important to you and
your customers, so please take a few minutes to read
the following instructions for keeping your Nautilus®
equipment in the best working condition.
For Variable Resistance Strength Training Equipment
Welcome ...........................................................1
Parts & Service ..................................................2
Safety/Before Exercising...................................2
Maintenance Schedule...................................2
General Maintenance.....................................2
Cleaning............................................................3
Lubrication.........................................................3
Hydraulic Unit Adjustment ...............................3
Kevlar Belt Adjustment Instructions.................4
Warranty Information........................................4

2
Maintenance Schedule
Before Exercising
1. Supervision is necessary when the machine is
used by or near children, invalids, or disabled
persons.
2. Follow the instructions for specific exercises on
each machine
3. Get in and out of the equipment carefully.
4. Never operate the machine without shields in
place.
5. Use only Nautilus selector pins in weight stack.
Never drop or insert any other object into
machine opening.
6. Use this machine only as intended or described
in this manual.
7. Do not operate equipment with loose or damaged
parts.If machine fails to operate correctly, do not
attempt to repair. Notify authorized personnel of
the problems.
8. Keep hands and feet clear of weights and other
moving parts when in use. Keep hands and feet
only on the hand grips and foot pads provided.
9. Failure to comply with these instructions may
result in personal injury.
To guard against injury, all equipment users
should follow these instructions.
Safety
■Check with your physician and get approval
before beginning a training routine.
■Become familiar with the equipment before
beginning a training routine.
■Always warm-up before and cool down after
exercising.
■Move slowly during each exercise. Do not jerk
or "throw" the weight.
■Breathe freely. Donot hold your breath while
lifting or lowering weight.
■Hold movement arms and handles firmly, do
not squeeze or grip tightly.
■Structure each workout to exercise the largest
muscles first. Suggested routines are found in
the Nautilus TotalFitness Program.
■Experiment to find the exact weight you need
for each exercise. Select a resistance that allows
you to perform eight to twelve slow repetitions.
Take two seconds to lift the weight. Pause briefly,
andtake four seconds to lower the weight.
Stop exercising immediately if you experience a sharp
nerve or joint pain, and seek medical advice.
EVERY 6
DAILY WEEKLY MONTHLY MONTHS
General Maintenance
Check Safety & Warning Decals ✿✿✿✿✿✿✿✿✿✿✿✿✿■
Inspect Belts & Cables ✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿■
Spot Check Belt ✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿■
Spot Check Nuts and Bolts ✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿✿■
Spot Check All Pegs and Stops _______________________________________________________■
Examine Rotation Points _________________________________________________________________________■
Cleaning
Clean Upholstery _____________________________________■
Use Nautilus Disinfectant Cleaner.
Clean Surface Area _________________________________________________■
Remove Dust___________________________________________________________________________________■
Lubrication
Lubricate and Clean Guide Rods Using TFL 50___________________________■
Do not lubricate hydraulic cylinders.

3
Do not place equipment in direct sunlight as ultra violet
rays can damage shields and upholstery.
NET WT. 10 OZ. (283.5g)
STOCK NO.
RG 60127
DANGER! EXTREMELY FLAMMABLE. HARMFUL OR FATAL IF SWALLOWED.
CONTENTS UNDER PRESSURE. SEEBACK PANEL.
DANGER! EXTREMEMENT INFLAMMABLE.
CONTENU SOUS PRESSION. VOIR ETIQUETT AL'ENDOS.
■Cleans/Lubricates/Protects
■Homogenized/No Kerosene/No Wax
■Non-Toxic/Environmentally Safe
■Nettote/Lubrifie/Protege
■Produit Homogénéisé/Formule
D'avant-Garde/Sans Cire
■Non-Toxique/Sans Effet Sur
E'environnement
PART
NUMBER
19-1160
*TFL 50
Wet
Lubricant
Recommended
for Nautilus
Machines.
Lubrication
Cleaning
1. UPHOLSTERY CLEANING AND PROTECTION
A. Keep pads free of perspiration at all times.
B. Clean and disinfect upholstery at the end of each
day,especially areas where perspiration and scalp
oil collect.
C. Clean all outside surfaces with non-abrasive, non-
chlorinated household cleaners. Nautilus
Disinfectant Cleaner is an effective upholstery care
product. 2. CLEANING AND CARE OF PAINTED
SURFACES
A. Wipe painted surfaces with a
damp cloth and car wax.
B. Let dry and buff with a dry
cloth.
3. CLEANING AND CARE OF ABS PLASTIC
SHIELDING
A. Clean with non-abrasive, non-
chlorinated household cleaners.
B. Vacuum or wipe dust from
recessed areas and surfaces
WARNING
Do not lubricate
MINI WEIGHTS.
May cause damage
and VOID
WARRANTY.
MOVING PARTS
A. To clean and lubricate guide rods, apply TFL#50
Wet Lubricant to a clean cloth then use to wipe
rods.
Note: The hydraulic unit only needs adjustment if the
seat will not stay in position.
1. Remove CLEVIS and COTTER PINS. Remove
CIRCULAR COTTER PINS by lifting up the wire that crosses
over straight end of pin, see Figure 1. Save all PINS.
2. Use a flat blade screwdriver to gently unsnap CABLE
from LEVER MECHANISM. Be careful not to break cable
fitting.
3. Remove hydraulic unit from machine, loosen NUT by
backing it down ROD. Hold LEVER MECHANISM and twist
SHAFT until there is free play in LEVER, as shown by "B" in
Figure 1.
4. Hold LEVER MECHANISM and twist SHAFT (as shown
by "C" in Figure 3) until LEVER free play is gone, then back
off 1/8 turn. Tighten NUT against LEVER MECHANISM. The
NUT MUST BE PROPERLY TIGHTENED to keep hydraulic
unit in adjustment.
5. TwistSHAFT slightly to realign the top and bottom
clevis pin holes.
6. Use pliers to snap and lock the CABLE on to the LEVER
MECHANISM.
7. Reposition the hydraulic unit on machine and insert
CLEVIS and COTTER PINS. The circular COTTER PINS can
be pushed into holes.
8. The HANDLE NUT should be tight against the
HANDLE HOUSING, see Figure 2. The HANDLE LEVER
should touch the GRIP when squeezed. If it does not touch,
adjust as follows:
a. Loosen the HANDLE NUT by turning counter
clockwise.
b. Turn the ADJUSTMENT BARREL clockwise until the
HANDLE LEVER has approximately 1/4" free play.
c. Tighten the HANDLE NUT against the HANDLE
HOUSING.
Hydraulic Unit Adjustment
3. SHIELD REMOVAL
Nautilus® 2ST machines are equipped with quick-
release shield fasteners. To remove Quick-Release
shielding, gently pull shielding away from the frame.
Use a proper screwdriver to remove front shielding,
which is attached to the frame with screws.
HIGH PRESSURE : DO NOT LUBRICATE
ROD. SEAL DAMAGEWILL OCCUR.
EYE AND INJECTION HAZARD EXISTS.
Figure 1
HANDLE
NUT
ADJUSTMENT
BARREL
HANDLE HOUSING
HANDLE
LEVER
1/4" free play
Figure 2
or COTTER PIN
CLEVIS
PIN
NUT
LEVER
MECHANISM
A
B
SHAFT
LEVER
C
HIGHPRESSURE : DO NOT LUBRICATE
ROD.SEAL DAMAGEWILL OCCUR.
EYEAND INJECTION HAZARD EXISTS. HIGHPRESSURE : DO NOT LUBRICATE
ROD.SEAL DAMAGEWILL OCCUR.
EYEAND INJECTION HAZARD EXISTS. HIGHPRESSURE : DO NOT LUBRICATE
ROD.SEAL DAMAGEWILL OCCUR.
EYEAND INJECTION HAZARD EXISTS.
CIRCULAR COTTER PIN
CABLE
Detergent/
Disinfectant-Odor
Counteractant
Detergente/
Desinfectante
y Neutralizante
de Olores
Keep out of Reach of
Children • For Industrial
Use Only
HEALTH
FIRE
REACTIVE
PART
NUMBER
19-1175
Detergent/Disinfectant Odor Counteractant
QUIK FILL A-
33