Keys Fitness Power System 1850 Users Manual Kps

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Owner’s Manual

Read all precautions and instructions in this manual before using
this equipment.
215-00009
09/04

Table of Contents
Important Safety Information

3

Before You Start

4

Assembly

5-26

Weight Ratios

27

Weight Stack Sticker Placement

28

Cable View

29

Top View

30

Exploded View

31

Parts List

32

Warranty Information

33

2

Important Safety Information
THANK YOU for making this Power System unit a part of your exercise program. 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 warranty registration card or register on-line at www.keysfitness.com within 10 days
of purchase.
POWER SYSTEM SERIES
QUESTIONS?
CALL
1- 888- 340- 0482
Mon d ay- F rid ay
8 : 3 0 - 5: 30 Cen t ral Tim e
When calling please have the following product information available:
• Product Series
• Model #
• PO # (located on the front of the manual)
• Part Number
• Part Description

3

Before You Start
Prior to assembly, remove components from the box and verify that all the listed parts were supplied.

NOTE: Hand tighten bolts and nylon nuts until machine is fully assembled.

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 responsibility 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.

4

Assembly

Box 1

5

Assembly

Box 2

6

Assembly

Box 3

Box 4

Box 5

Box 6

7

Assembly

8

Assembly

9

Assembly
STEP 1
Insert the two Guide Rods (24) into Rear Base (1) and secure them in place using two Washers (102), two
Spring Washers (103), and two Allen Bolts (97).

Figure 1

10

Assembly
STEP 2
Attach the Seat Pad Support Receptacle (2) to Rear Base (1) and secure in place using three Nylon Locknuts
(104), six Washers (102), and three Bolts (94).
Connect the Front Upright (86) to Seat Pad Support Receptacle (2) and secure together using two Nylon
Locknuts (104), four Washers (102), and two Bolts (95).
Insert the Pec Dec Mount (7) onto Seat Pad Support Receptacle (2) using two Nylon Locknuts (104), four
Washers (102), and two Bolts (94) on the side. Next, insert one Washer (107), one Spring Washer (103), and
one Bolt (93) at the top.

Figure 2

11

Assembly
Step 3
Install the Main Upright (3) onto Seat Pad Support Receptacle (2). Secure it in place using three Nylon
Locknuts (104), six Washers (102), and three Bolts (94) on the side. Two Bolts (98), one Spring Washer
(117), three Washers (101), one Nylon Locknut (95) will secure it at the bottom.

Figure 3

12

Assembly
Step 4
Slide one Weight Stack Bumper (30) down each Guide Rod (24). Next, slide the weight plates down the
Guide Rods (24) in this order - five 15lb Plates (36), nine 10lb Plates (37), five 5lb Plates (38), and the Top
Plate (27).
Insert the Main Top Beam (4) onto the two Guide Rods (24) and the Main Upright (3). Secure Main Top
Beam (4) to Main Upright (3) using two Nylon Locknuts (104), four Washers (101), two Bolts (98). Last, use
two Washers (102), two Spring Washers (103), and two Allen Bolts (97) to secure the Main Top Beam (4) to
the two Guide Rods (24).

Figure 4




13

Assembly
Step 5
Attach Press Arm Support (5) to Main Upright (3) by aligning the holes and sliding the Shaft (74) through.
Secure the Shaft (74) in place using two Set Screws (84).
Install Press Arm (6) to Press Arm Support (5) by aligning the holes and sliding the Shaft (73) through.
Secure the Shaft (73) in place using two Set Screws (84).

Figure 5

14

Assembly
Step 6
Slide the Right Pec Dec Arm (8) on to the shaft of the Pec Dec Mount (7). Secure the arm in place using
one Big Washer (76), one Washer (102), one Spring Washer (103), and one Allen Bolt (97).
Slide Pec Dec Handle Bar (19) onto the top of the Right Pec Dec Arm (8) and secure using one Chrome
Washer (106), one Washer (102), one Spring Washer (103), and one Allen Bolt (97).
Repeat this step to complete the Left Pec Dec assembly.

Figure 6

15

Assembly
Step 7
Install the Right and Left Hold Leg Frames (17 & 18) to Main Upright (3) and secure using two Nylon
Locknuts (104), four Washers (102), and two Bolts (95).
Make sure the both Hold Leg Frames are angled upwards.

Figure 7

16

Assembly
Step 8
Slide the Shaft (72) into the Leg Extension Lever (10). Attach Leg Extension Lever (10) to Seat Pad
Support Receptacle (2) and secure using one Washer (119), one Spring Washer (115), and one Allen Bolt
(118).
Slide Foam Frame w/ Shaft (11) through the Leg Extension Lever (10) and attach the Foam Frame w/o
Shaft (12) to the other side. Insert the Slip Tension Pin (80) through the hole where the two foam frames
meet. Note: You may need to use a rubber mallet to install Slip Tension Pin (80).

Figure 8

17

Assembly
Step 9
Attach the Seat Pad (26) to the Seat Pad Support (13) using two Washers (102) and two Allen Bolts (96).
Slide the Seat Support assembly into the Seat Pad Support Receptacle (2) and secure by tightening the
Locking Pop Pin (52).
Install the Telescope (14) to the Back Pad Support (16) and secure in place using one Nylon Locknut (104),
two Washers (101), and one Bolt (99).
Install the Tilting (15) to the Back Pad Support (16) and secure in place using one Nylon Locknut (104), two
Washers (102), and one Bolt (88).
Attach the Back Pad (25) to Back Pad Support (16) using two Washers (102) and two Bolts (89).
Last, slide the Back Pad Support assembly into the receptacle on the Main Upright (3) and secure by tightening the Locking Pop Pin (52).

Figure 9

18

Assembly
Step 10
Slide two Upholstered Roller Pads (42) onto Foam Frames (11 & 12) and secure using two Big Plugs (65).
Slide the Long Foam Tube (77) through the hole in Seat Pad Support (13). Slide two Plastic Washers (87)
onto each end of Long Foam Tube (77). Next, slide two Upholstered Roller Pads (42) onto each side of Long
Foam Tube (77) and secure using two Big Plugs (65).
Slide two Upholstered Roller Pads (42) onto the Leg Hold Frames (17 & 18) and secure using two Big
Plugs (65).

Figure 10

19

Assembly
Step 11
Note: Stretch all cables out completely and make sure all twisting is removed before installing.
Install Chest Press Cable (45) as detailed in Figure 11. Follow dotted lines to identify exact
location of pulleys. See Page 29 “Cable View” for more detail.
Start by threading cable end into Top Plate (27).
You will need the following for installation:
Bolt (90) - Qty. 2
Pulley (44) - Qty. 9
Bolt (91) - Qty.2
Cable (45) - Qty. 1
Bolt (93) - Qty 3
Nylon Locknut (104) - Qty. 9
Bolt (95) - Qty. 2
Long Pulley Spacer (53) - Qty. 6
Washer (102) - Qty. 18
Longer Pulley Spacer (55) - Qty. 4
Hex Nut (100) - Qty. 1
Adjustable Stopper (75) - Qty. 1

Figure 11

20

Assembly
Step 12
Note: Stretch all cables out completely and make sure all twisting is removed before installing.
Install Mid Pulley Cable (46) as detailed in Figure 12. Follow dotted lines to identify exact location
of pulleys. See Page 29 “Cable View” for more detail.
Start by installing cable under the pulley at Leg Extension location.
You will need the following for installation:
Bolt (91) - Qty. 3
Pulley (44) - Qty. 8
Pulley Bracket w/ Shaft (21) - Qty. 1
Bolt (92) - Qty. 1
Cable (46) - Qty. 1
Pulley Bracket Block (22) - Qty. 1
Bolt
(93)
Qty
1
Nylon Locknut (104) - Qty. 8
Pulley Bracket (23) - Qty. 1
Bolt (94) - Qty. 1
Long Pulley Spacer (53) - Qty. 6
Bolt (95) - Qty. 1
Longer Pulley Spacer (55) - Qty. 4
Washer (102) - Qty. 18
Short Pulley Spacer (54) - Qty. 2

Figure 12

21

Assembly
Step 13
Note: This step is only used if you do not have the Leg Press 2 attachment. Use the Cable Adapter (113) 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 (47) as detailed in Figure 13. Follow dotted lines to identify exact location
of pulleys.
You will need the following for installation:
Cable Adapter (113) - Qty. 1
Longer Pulley Spacer (55) - Qty. 2
Cable (47) - Qty. 1
Bolt (95) - Qty. 1
Washers (102) - Qty. 2
Nylon Locknut (104) - Qty. 1

Figure 13

22

Assembly
Step 14
Note: Stretch all cables out completely and make sure all twisting is removed before installing.
Install Pec Dec Cable (49) as detailed in Figure 14. Follow dotted lines to identify exact location of pulleys.
See Page 29 “Cable View” for more detail.
You will need the following for installation:
Cable (49) - Qty. 1
Pulley (44) - Qty. 3
Pulley Bracket Block (22) - Qty. 1
Bolt (91) - Qty. 3
Washers (102) - Qty. 6
Nylon Locknut (104) - Qty. 3
Philips Screw (85) - Qty. 2

Figure 14

23

Assembly
Step 15
Connect Long Lat Bar (70) to the Chest Press Cable (45) using two Gear Hooks (33) and Short Chain (35).
Connect Ab Strap (40) or Lat Strap (34) to Mid Pulley Cable (46) using one Gear Hook (33).
Connect Short Lat Bar (71) to Mid Pulley Cable (46) using two Gear Hooks (33) and Long Chain (32).

Figure 15

24

Assembly
Step 16
Install Weight Shrouds (20) to each side of the Main Top Beam (4) using two Washers (102), two Spring
Washers (103), and Allen Bolts (97 & 118).
Secure the bottom portion of the Weight Shrouds (20) to the Rear Frame (1) using two Washers (119) and
two Allen Bolts (118).

Figure 16

Note: Tighten all hardware securely.
25

Assembly
Congratulations!
You have completed the assembly of your new KPS-1850.

26

Weight Ratios

KPS-1850
Weight(lbs)
10
15
20
25
30
35
45
55
65
75
85
95
105
115
125
140
155
170
185
200

100%
10
15
20
25
30
35
45
55
65
75
85
95
105
115
125
140
155
170
185
200

WEIGHT RATIOS
95%
90%
65%
9.5
9
6.5
14.25
13.5
9.75
19
18
13
23.75
22.5
16.25
28.5
27
19.5
33.25
31.5
22.75
42.75
40.5
29.25
52.25
49.5
35.75
61.75
58.5
42.25
71.25
67.5
48.75
80.75
76.5
55.25
90.25
85.5
61.75
99.75
94.5
68.25
109.25
103.5
74.75
118.75
112.5
81.25
133
126
91
147.25
139.5
100.75
161.5
153
110.5
175.75
166.5
120.25
190
180
130

27

45%
4.5
6.75
9
11.25
13.5
15.75
20.25
24.75
29.25
33.75
38.25
42.75
47.25
51.75
56.25
63
69.75
76.5
83.25
90

Weight Stack Sticker Placement
Your new POWER SYSTEM unit can be purchased with either a 200 LB or 250 LB weight
stack. Depending on which weight stack you have purchased will determine which weight
stack sticker numbers will be used.
The weight stack images below show which weight stack sticker numbers are to be used on
your weight stack. Please note that these stickers should not be put on until the entire unit has
been assembled and all bolts and nuts have been tightened.

200 LB Stack

250 LB Stack

10

10

15

20

20

30

25

40

30

50

35

60

45

70

55

80

65

90

75

100

85

115

95

130

105

145

115

160

125

175

140

190

155

205

170

220

185

235

200

250

28

Cable View

29

Top View

30

Exploded View

31

Parts List
KPS-1850 Parts List
REF#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60

KEYS PART#
223-00235
223-00236
223-00237
223-00238
223-00239
223-00240
223-00241
223-00242
223-00243
223-00244
219-00265
219-00266
223-00245
219-00267
219-00268
219-00269
219-00270
219-00271
219-00272
223-00246
219-00273
219-00274
219-00275
223-00247
228-00085
228-00084
228-00031
202-00121
219-00276
206-00026
210-00002
229-00038
210-00008
210-00061
229-00037
219-00277
219-00278
219-00279
214-00001
210-00060
210-00059
228-00077
206-00146
223-00228
229-00047
229-00048
229-00049
202-00138
229-00050
210-00095
202-00139
210-00096
202-00071
202-00025
202-00140
202-00016
202-00023
202-00024
202-00141
206-00139

DESCRIPTION
Rear Base
Seat Pad Support Receptacle
Main Upright
Main Top Beam
Press Arm Support
Press Arm
Pec Dec Mount
Right Pec Dec Arm
Left Pec Dec Arm
Leg Extension Lever
Foam Frame w/Shaft
Foam Frame w/o Shaft
Seat Pad Support
Telescope for Back Pad
Tilting for Back Pad
Back Pad Support
Right Leg Hold Leg Frame
Left Leg Hold Leg Frame
Pec Dec Handle Bar
Weight Shroud
Pulley Bracket w/Shaft
Pulley Bracket Block
Pulley Bracket
Guide Rod
Back Pad
Seat Pad
Top Plate
Screw Bolt M12*35
Selector Rod
Weight Stack Bumper
Weight Pin
Long Chain
Gear Hook
Lat Strap
Short Chain
15LB Plate
10LB Plate
5LB Plate
Decal Weight Number
Ab Strap
Ankle Strap
Upholstered Roller Pad 100*22*180
Handle Grip
Pulley
Chest Press Cable
Mid Pulley Cable
Leg Press Cable Substitute
Washer 6.6*18*1.6
Pec Dec Cable
Pop Pin
Spring Washer 6
Pop Pin (Locking)
Long Pulley Spacer
Short Pulley Spacer
Longer Pulley Spacer
Bronze Bushing ID25.4
Bronze Bushing ID12.2
Bearing ID25
Bronze Bushing ID16
Square Plug 50*25

QTY.
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
2
1
1
1
1
1
2
1
1
7
2
1
5
9
5
1
1
1
6
4
20
1
1
1
1
1
1
1
2
10
2
8
8
4
6
2
5

REF#
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119

32

KEYS PART#
206-00020
206-00140
206-00001
206-00102
206-00141
206-00142
206-00143
206-00061
206-00099
223-00092
219-00136
230-00017
230-00018
230-00019
210-00097
202-00145
219-00031
219-00281
206-00138
202-00146
202-00147
202-00144
202-00142
202-00143
202-00122
223-00248
206-00134
202-00123
202-00124
202-00085
202-00086
202-00087
202-00083
202-00081
202-00082
202-00125
202-00087
202-00126
202-00077
202-00129
202-00127
202-00128
202-00100
202-00091
202-00092
202-00129
202-00130
202-00131
202-00132
202-00133
206-00135
206-00136
210-00093
206-00137
202-00134
210-00091
202-00135
202-00136
202-00137

DESCRIPTION
Square Plug 44.5
Square Plug 50.8
Square Plug 76.2*50.8
Round Plug 32
Big Plug 25.4
Nylon Stopper
Pec Dec Stop Bumper
Base Pad
End Cap Bumper
Long Lat Bar
Short Lat Bar
Shaft for Leg Extension
Shaft for Chest Press Adjustment
Shaft for Chest Press
Adjustable Stopper
Washer 6.6*18*1.6
Long Foam Tube
Cable Retainer Bracket
Round Plug 25
Slip Tension Pin
“U” Shape pin
Small Spring
Nut M6
Screw M8*6
Philip Screw M4*20
Front Upright
Plastic Washer
Bolt M12*75
Bolt M10*30
Bolt tM10*50
Bolt M10*45
Bolt M10*65
Bolt M10*70
Bolt M10*75
Bolt M10*80
Allen Bolt M10*50
Allen Bolt M10*25
Bolt M12*80
Bolt M12*85
Regular Hex Nut10
Washer 13*24*1.5
Washer 11*20*2
Spring Washer 10
Nylon Locknut M10
Nylon Locknut M12
Chrome Washer 38*11*2
Washer 38*11*2
Philip Screw M6*15
Hex Key 6
Hex Key 4
Grip
Rubber stopper
Cable Adaptor
Nylon Cover
Spring Washer 8
Lube
Spring Washer 12
Allen Bolt M8*15
Washer 9*22*2

QTY.
2
2
4
4
6
1
1
3
1
1
1
1
1
1
1
2
1
1
2
1
1
1
1
5
2
1
2
1
2
2
9
1
5
9
8
2
8
4
1
1
11
78
9
33
5
2
1
2
1
1
4
3
1
1
1
1
1
5
3

Warranty Information
KEYS FITNESS PRODUCTS, L.P.
POWER SYSTEM SERIES
LIFETIME WARRANTY
This Warranty applies in the United States and Canada to products manufactured or distributed by
Keys Fitness Products, LP (“Keys”) under the KEYS brand name. The warranty period to the original
purchaser is lifetime of the original purchaser.
Keys warrants that the Product you have purchased for non-commercial, personal, family, or household use from Keys or from an authorized Keys reseller is free from defects in materials or workmanship under normal use during the warranty period. Your sales receipt, showing the date of purchase of the Product, is your proof of purchase. This warranty only extends to you, the original purchaser. It is not transferable to anyone who subsequently purchases the Product from
you. It excludes expendable parts (wear items). Wear items pertain to components that might need to be replaced due to normal wear and tear. These items vary per product but will include grips, chains, cables, pads, upholstery, pulleys, bearings, etc.
Please contact a Keys customer service representative for specifics on wear items. This Warranty becomes VALID ONLY if the
product is purchased through a Keys Fitness authorized dealer unless otherwise authorized by Keys Fitness in writing and
must be assembled / installed according to the instructions included with the Product.
In a light institutional setting, Keys will extend a one year warranty to the the original purchaser.
During the warranty period Keys will repair or replace (at Keys' option) the product if it becomes defective, malfunctions, or otherwise fails to conform with this Warranty under normal use. In repairing the Product, Keys may replace defective parts, or at
the option of Keys, serviceable used parts that are equivalent to new parts in performance. All exchanged parts and Products
replaced under this warranty will become the property of Keys. Keys reserves the right to change manufacturers of any part to
cover any existing warranty.
This warranty DOES NOT COVER shipping charges, export taxes, custom duties and taxes, or any other charges associated
with transportation of the parts or Product. To obtain warranty service, you must contact a Keys authorized retailer, service
technician or Keys Fitness at our phone number located in this manual. Any parts determined to be defective must be returned
to Keys to obtain warranty service. You must prepay any shipping charges, export taxes, custom duties and taxes, or any other
charges associated with transportation of the parts or Product. In addition, you are responsible for insuring any parts or
Product shipped or returned. You assume the risk of loss during shipment. You must present Keys with proof-of-purchase documents (including the date of purchase). Any evidence of alteration, erasing or forgery of proof-of-purchase documents will be
cause to void this Warranty.
This Warranty does not extend to any product not purchased from Keys or from an authorized Keys reseller. This Limited
Warranty does not extend to any Product that has been damaged or rendered defective; (a) as a result of accident, misuse, or
abuse; (b) by the use of parts not manufactured or sold by Keys; (c) by modification of the Product or normal wear and tear;
(d) operation on incorrect power supplies; or (e) as a result of service by anyone other than Keys, or an authorized Keys warranty service provider. Product on which the serial number has been defaced or removed is not eligible for warranty service.
Should any Product submitted for warranty service be found ineligible, an estimate of repair cost will be furnished and the
repair will be made if requested by you upon Keys' receipt of payment or acceptable arrangements for payment.
EXCEPT AS EXPRESSLY SET FORTH IN THIS WARRANTY, KEYS MAKES NO OTHER WARRANTIES, EXPRESSED OR
IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. KEYS EXPRESSLY DISCLAIMS ALL WARRANTIES NOT STATED IN THIS LIMITED WARRANTY. ANY IMPLIED
WARRANTIES THAT MAY BE IMPOSED BY LAW ARE LIMITED TO THE TERMS OF THIS LIMITED WARRANTY. NEITHER
KEYS NOR ANY OF ITS AFFILIATES SHALL BE RESPONSIBLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES.
SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS OR THE EXCLUSION OR
LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATIONS OR EXCLUSION MAY NOT
APPLY TO YOU. This Limited Warranty gives you specific legal rights and you may also have other rights that may vary from
state to state. This is the only express warranty applicable to Keys-branded products. Keys neither assumes nor authorizes
anyone to assume for it any other express warranty.

PLEASE SEND IN THE INCLUDED WARRANTY CARD OR REGISTER ON-LINE AT www.keysfitness.com WITHIN
TEN (10) DAYS OF PURCHASE TO REGISTER YOUR UNIT WITH KEYS FITNESS PRODUCTS, LP.
MAIL WARRANTY CARD TO: KEYS FITNESS PRODUCTS, PO BOX 551239, DALLAS, TX 75355

33

Customer Service
1.888.340.0482
Keys Fitness
4009 Distribution Drive
Suite 250
Garland, TX 75041
www.keysfitness.com



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