Keys Fitness 1550 User manual

Owner’s Manual
Read all precautions and instruc-
tions in this manual before using
this equipment.
215-00008
09/04 Rev B

Table of Contents
2
Important Safety Information 3
Before You Start 4
Assembly 5-23
Weight Ratios 24
Weight Stack Sticker Placement 25
Cable View 26
Top View 27
Exploded View 28
Parts List 29
Warranty Information 30

Important Safety Information
3
THANK YOU for making this Power System unit a part of your exercise pro-
gram. Keys Fitness and our Power System Series assures the very best in value,
appearance, durability and biomechanics.
This manual will guide you through the assembly process. If at any time you are
having trouble with the assembly or use of this product, then please contact us at
our Keys Fitness Help-line. We have trained service technicians on site to take
care of you, our valued customer.
REGISTRATION CARD
To avoid unnecessary delays in warranty parts and to insure that a permanent
record of your purchase is on file with our company, be sure to send in the war-
ranty registration card or register on-line at www.keysfitness.com within 10 days
of purchase.
POWER SYSTEM SERIES
QUESTIONS?
CALL
1-888-340-0482
Monday-Friday
8:30-5:30 Central Time
When calling please have the following product information available:
• Product Series
• Model #
• PO # (located on the front of the manual)
• Part Number
• Part Description

Before You Start
4
Prior to assembly, remove components from the box and verify that all the listed parts were supplied.
SAFETY INFORMATION WARNING!
Before using this unit or starting any exercise program, consult your physician.
This is especially important for persons over the age of 35 and/or persons with
pre-existing health problems. Keys Fitness Products LP assumes no responsibili-
ty for personal injury or property damage sustained by or through the use of this
product.
It is the owner’s responsibility to ensure that all users of this unit have read the
Owner’s Manual and are familiar with safety information and precautions.
SAFETY PRECAUTIONS
• This Power System unit should only be used on a level surface and is intended
for indoor use only. Keys Fitness recommends an equipment mat be placed
under the unit to protect the floor or carpet and for easier cleaning.
• Wear comfortable, good-quality walking or running shoes and appropriate
clothing. Do not use this unit with bare feet, sandals, socks or stockings!
• Always examine your unit before using to ensure all parts are in working order.
• Do not leave children unsupervised near or on the unit.
• Service to your Power System unit should only be performed by an authorized
service representative, unless authorized and/or instructed by a Keys Fitness
technician. Failure to follow these instructions will void the warranty.
NOTE: Hand tighten bolts and nylon nuts until machine is fully assembled.

Assembly
5
Box 1

Assembly
6
Box 2

Assembly
7
Box 3
Box 5 Box 6
Box 4

Assembly
8

Assembly
9

STEP 1
Insert the two Guide Rods (14) into Rear Base (3) and secure them in place using two Washers (91), two
Spring Washers (89), and two Allen Bolts (86).
Assembly
10
Figure 1

Assembly
11
STEP 2
Slide Seat Pad Support Receptacle (1) onto Rear Base (3) and secure in place using three Nylon Locknuts
(93), six Washers (91), and three Bolts (80).
Connect Front Upright (5) onto Seat Pad Support Receptacle (1) and secure together using two Nylon
Locknuts (93), four Washers (91), and two Bolts (79).
Figure 2

Assembly
12
Step 3
Install the Main Upright (2) onto the Seat Pad Support Receptacle (1). Secure it in place using three Nylon
Locknuts (93), six Washers (91), and three Bolts (80) on the side. Two Bolts (87), one Spring Washers (88),
three Washers (90), one Nylon Locknut (92) will secure it at the bottom.
Figure 3

Assembly
13
Step 4
Slide one Weight Stack Bumper (62) down each Guide Rod (14). Next, slide the weight plates down the
Guide Rods (14) in this order - five 15lb Plates (15), nine 10lb Plates (16), five 5lb Plates (17), and the Top
Plate (18).
Insert the Main Top Beam (4) onto the two Guide Rods (14) and the Main Upright (2). Secure Main Top
Beam (4) to Main Upright (2) using two Nylon Locknuts (92), four Washers (90), two Bolts (87). Last, use
two Washers (91), two Spring Washers (89), and two Allen Bolts (86) to secure the Main Top Beam (4) to the
two Guide Rods (14).
Figure 4

Step 5
Attach Press Arm Support (6) to Main Upright (2) by aligning the holes and sliding the Shaft (19) through.
Secure the Shaft (19) in place using two Set Screws (50).
Install Press Arm (7) to Press Arm Support (6) by aligning the holes and sliding the Shaft (21) through.
Secure the Shaft (21) in place using two Set Screws (50).
Assembly
14
Figure 5

Assembly
15
Step 6
Slide Long Foam Tube (11) into the hole towards the lower part of the Main Upright (2).
Slide the Shaft (44) into top of the Leg Extension Lever (8). Attach Leg Extension Lever (8) to Seat Pad
Support Receptacle (1) and secure using one Washer (46), one Spring Washer (47), and one Allen Bolt (48).
Slide Foam Frame w/ Shaft (12) through the Leg Extension Lever (8) and attach the Foam Frame w/o Shaft
(13) to the other side. Insert the Slip Tension Pin (38) through the hole where the two foam frames meet.
Note: You may need to use a rubber mallet to install Slip Tension Pin (38).
Figure 6

Assembly
16
Step 7
Install Seat Pad (25) onto Seat Pad Support (9) using two Washers (91) and two Allen Bolts (85).
Slide the Seat Pad Support assembly into Seat Pad Support Receptacle (1) and secure with Locking Pop Pin (43)
Figure 7

Assembly
17
Step 8
Install a Plastic Washer (69) onto each side of the Long Foam Tube (11).
Next, install Upholstered Roller Pad (27) onto each side of Long Foam Tube (11) and secure in place using
Big Plug (68).
Repeat the above step for the Seat Pad Support (9).
Next, install Upholstered Roller Pad (27)onto each Foam Frame (12 & 13) and secure in place with Big Plug
(68).
Figure 8

Assembly
18
Step 9
Note: Stretch all cables out completely and make sure all twisting is removed before installing.
Install Chest Press Cable (76) as detailed in Figure 9. Follow dotted lines to identify exact location of pulleys.
Start by threading cable end into Top Plate (18).
You will need the following for installation:
Pulley (30) - Qty. 9
Cable (76) - Qty. 1
Nylon Locknut (92) - Qty. 9
Long Pulley Spacer (75) - Qty. 6
Longer Pulley Spacer (72) - Qty. 4
Bolt (79) - Qty. 2
Bolt (81) - Qty 3
Bolt (83) - Qty. 2
Bolt (84) - Qty.2
Washer (91) - Qty. 18
Figure 9

Assembly
19
Step 10
Note: Stretch all cables out completely and make sure all twisting is removed before installing.
Install Mid Pulley Cable (77) as detailed in Figure 10. Follow dotted lines to identify exact location of pulleys.
Start by installing cable under the pulley at Leg Extension location.
You will need the following for installation:
Pulley (30) - Qty. 8
Cable (77) - Qty. 1
Nylon Locknut (92) - Qty. 8
Long Pulley Spacer (75) - Qty. 6
Longer Pulley Spacer (72) - Qty. 4
Short Pulley Spacer (74) - Qty. 2
Bolt (79) - Qty. 2
Bolt (80) - Qty. 1
Bolt (81) - Qty 1
Bolt (82) - Qty. 1
Bolt (84) - Qty. 3
Washer (91) - Qty. 18
Figure 10

Assembly
20
Step 11
Note: This step is only used if you do not have the Leg Press 2 attachment. Use the Cable Adapter (70) in
place of the pulley.
Note: Stretch all cables out completely and make sure all twisting is removed before installing.
Install Leg Press Cable Substitute (78) as detailed in Figure 11. Follow dotted lines to identify exact location
of pulleys.
You will need the following for installation:
Cable Adapter (70) - Qty. 1
Longer Pulley Spacer (72) - Qty. 2
Cable (78) - Qty. 1
Bolt (79) - Qty. 1
Washers (91) - Qty. 2
Nylon Locknut (92) - Qty. 1
Figure 11