Mark Fitness XM-4428 User manual

8/09
!CAUTION
Read all precautions and
instructions in this manual before
using this equipment.
Owner’s Manual
45 DEGREE
HYPEREXTENSION
XM-4428

2
Table of Contents
NOTE: Hand tighten bolts and lock nuts until machine is fully
assembled.
SAFETY PRECAUTIONS
SAFETY INFORMATION WARNING!
Prior to assembly, remove components from the box and verify that all the listed parts
were supplied.
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. XMARK Fitness 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.
• This unit should only be used on a level surface and is intended for indoor use
only. XMARK 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 cloth-
ing. 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 unit should only be performed by an authorized service represen-
tative, unless authorized and/or instructed by a XMARK Fitness technician. Failure
to follow these instructions will void the warranty.
Before You Begin 3
Assembly 4-8
Parts List 9
Exploded View 10
Warranty Information 11

3
MODEL: XM-4428
XM-4428
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
When calling please have the following product information available:
Model Name :
Date Mfg.:
Serial #
Model Name Decal Location
Before You Start
REGISTRATION CARD
QUESTIONS?
CALL 1-800-719-4605
Monday-Friday
8:30 a.m.-5:00 p.m.
(Central Standard Time)
MAILING ADDRESS
7501 Trammel Drive
Shreveport, LA 71108
THANK YOU for making this unit a part of your exercise
program.
XMARK Fitness assures the very best in value,
appearance, durability and biomechanics.
XMARK FITNESS SERIES
XMARK Fitness
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 online at www
.xmarkfitness.com within 10 days
of purchase.
us at our
XMARK Fitness help line. We have trained service technicians on site to
take care of you, our valued customer.

4
NOTE: Hand tighten bolts and lock nuts until machine if fully assembled.
Assembly
1
2
19
19
18
17
17
STEP 1
Connect the Main Frame (2) to U Base Frame (1) and secure it with M10X70 Bolts (19)
and Lock Nuts (18).
Make sure that the Main Frame show Non Skid Pad (17) is facing up when connecting to
the U Base Frame (1).

5
Assembly
3
19
19 18
18
2
NOTE: Hand tighten bolts and lock nuts until machine if fully assembled.
STEP 2
Slide Main Upright (3) down onto Main Frame (2) and secure with M10X70MM Bolts
(19) and Lock Nuts (18).

6
Assembly
NOTE: Hand tighten bolts and lock nuts until machine if fully assembled.
STEP 3
Slide Foam Roller Tube (6) into Main Upright (3). Place Foam Rollers (8) onto Foam
Roller Tube (6) and secure with Foam Roller Caps (9).
8
9
6
8
9
3

7
Assembly
4
3
5
NOTE: Hand tighten bolts and lock nuts until machine if fully assembled.
STEP 4
Slide Adjustment Frame (4) into Main Upright (3). Pull Pop Pin (5) in order to choose
different settings in Adjustment Frame (4).

8
Assembly
20
20
11
11
4
NOTE: Hand tighten bolts and lock nuts until machine if fully assembled.
STEP 5
Secure Pads (11) to Adjustment Frame (4) with M8X15mm Bolts (20).

9
XM-4428 Parts List
Parts List
1 204053604503 BASE FRAME, U-SHAPED, XM - 4428 1
2 204053601503 MAIN FRAME, XM - 4428 1
3 204053602503 MAIN UPRIGHT, XM - 4428 1
4 204053603503 ADJUSTMENT FRAME, XM - 4428 1
5 802900300002 POP PIN, LOCKING T-SHAPED 1
6 204054001503 FOAM ROLLER TUBE 1
7 307010000042 SQUARE END FOOT 50 2
8 307010001917 FOAM ROLLER 2
9 307010000404 FOAM ROLLER CAP 2
10 307010000790 GLIDE PLASTIC SLEEVE 2
11 307040000206 PAD 2
12 307010000270 PLUG, INNER SQUARE 50 1
13 307010000956 HANDLE GRIP 2
14 307010000412 PLUG, INNER ROUND 25 2
15 307010000028 TRANSPORT WHEEL, ROUND 60 2
16 307010000250 PLUG, INNER RECTANGULAR 75X50 2
17 309990200035 NON SKID PAD 2
18 306010022504 LOCK NUT, M10 4
19 306010020728 ALLEN BOLT, M10X70MM 4
20 306010020704 ALLEN BOLT, M8X15MM 4
21 308030000284 MANUAL XM - 4428 1
22 299053604500 BOLT PACK 1
23 306990000144 WRENCH, ALLEN S=6 1
Key NO. Part No. Description Qty

10
Exploded View
11
11
13
16 20
20
14
14
20
20 16
4
10
10
5
7
7
1
18
19
19
2
19 18
9
8
3
12
68
9
19
18
17
15
15

XMARK Fitness
7501 Trammel Drive
Shreveport, LA 71108
Customer Service: 1-800-719-4605