ZERO GRAVITY Ultima 4 User Manual
Assembly, Installation, Care, Maintenance and Use Instructions
Zero Gravity Ultima 4 8ft/244cm Trampoline with Enclosure
USER MANUAL
Zero Gravity Trampolines
Unit 19 Mayfield Avenue Industrial Park, Fyfield Road, Weyhill,
Hampshire, SP11 8HU, United Kingdom, Tel +44 (1264) 771247
WARNING
YOU MUST THOROUGHLY READ AND UNDERSTAND THE INSTRUCTIONS IN THIS
MANUAL BEFORE ASSEMBLING AND USING THIS TRAMPOLINE.
SAVE THIS MANUAL FOR FUTURE REFERENCE.
MAXIMUM WEIGHT OF USER MUST NOT EXCEED 165LB (75KG).
DO NOT ALLOW MORE THAN ONE PERSON ON THE TRAMPOLINE AT A TIME.
DO NOT ALLOW YOUNG CHILDREN TO USE UNLESS SUPERVISED BY AN ADULT.
1
No more than one user at a time. Maximum
weight 75kg/165lbs.
Do not perform somersaults or flips as
paralysis or death can result if you land on
your neck or head.
Do not allow
children of 3 years
or under to use this
trampoline.
Do not use this
trampoline if you
have a previous leg,
arm, head or back
injury.
Do not use this
trampoline without
the consent of your
doctor if pregnant.
Remove all sharp or
hard objects from
your person before
using this
trampoline. This
includes jewelry,
glasses and
hairclips.
Inspect daily before use:
Inspect legs and framework for correct attachment or cracks
Inspect netting, pads and mattress for tears or damage
Inspect for loose or damaged springs
Ensure legs are vertical
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Table of Contents
Introduction ........................................................................................................................... 3
Before you start to assemble ................................................................................................. 4
Before using the trampoline ................................................................................................. 4
Important Safety Instructions ............................................................................................ 5-8
Parts List .......................................................................................................................... 9-10
Assembly Instructions .................................................................................................... 11-29
Lowering the Trampoline Enclosure ............................................................................... 30-33
Moving the Trampoline ....................................................................................................... 34
Care and Maintenance ................................................................................................... 35-36
Instructions for use ........................................................................................................ 37-39
Fundamental trampoline Skills ....................................................................................... 40-41
Product Warranty ........................................................................................................... 42-43
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Introduction
Thank you for purchasing this Zero Gravity Ultima 4 Trampoline. This trampoline was manufactured
using the highest quality materials and skills gained over decades of trampoline production. If proper care and
maintenance is provided then we’re sure that it will provide years of fun and exercise for the whole family.
We cannot state how important it is for the owners and users of this trampoline to have a thorough
understanding of the rules for proper use. Children must be supervised at all times by a knowledgeable and
mature adult while using the trampoline. When there is to be no adult supervision available then take
precautions to prevent access to the trampoline by children or unauthorized users who do not have your consent
to use the trampoline.
Carefully read and understand all of the instructions and warnings in this guide before assembling and
using this product. It is the responsibility of the owner of this trampoline to ensure that all users of this product
are fully informed on the proper use and the inherent risks of jumping on a trampoline, failure to do so can result
in serious injury or death. In particular, under no circumstances should you attempt or allow flips, somersaults or
any similar behavior. Landing on the head or neck can cause serious injury, paralysis, or death. Never allow
more than one person on the trampoline at any time as this can dramatically increase the risk of injury.
To reduce the risks associated with a user falling off the trampoline, the enclosure netting must be
properly installed and used at all times. The trampoline enclosure must be closed during use to prevent the user
from falling off the trampoline. Although your trampoline enclosure netting is manufactured with UV resistant
material exposure to the elements will weaken the netting over time. Therefore the netting and mattress must be
inspected prior to every use and maintained regularly as detailed in this guide.
Location of the trampoline is extremely important in order to reduce the risk of injury. The intended site
for the trampoline must be completely flat and level. If the ground is not completely flat then it can cause
movement in the frame and put stress on the joint sections which could cause damage to the trampoline and
make it unsafe for use with the risk of causing serious injury. The trampoline must only be located on a soft
surface such as grass or cushion play area. Siting the trampoline on a hard or slippery surface such as paving or
concrete will cause damage to the trampoline and put users at risk. The trampoline must be clear from overhead
hazards such as power cables and tree limbs with at least 8 metres overhead clearance from ground level. Site
the trampoline at least 2.5 metres away from any structure or obstacle.
The trampoline must never be used in windy conditions as this can cause unexpected movement of the
product. Wind can cause the trampoline to be lifted from the ground and become airborne presenting a danger
to individuals and to property. We always recommend that you anchor or secure the trampoline to prevent it
from moving as a result of the wind. We highly recommend consulting a local licensed tradesman to best
determine how to implement an anchor system for your specific conditions. Even with anchors in place a
trampoline can be lifted by strong winds. If high winds are forecast the trampoline should be disassembled and
stored away safely until the weather conditions improve. Damage from the wind or other severe weather is not
covered by the manufacturer’s warranty.
Only genuine Zero Gravity replacement parts sold through an authorized dealer should be used.
Replacement parts produced by any other manufacturer may not have met the design and extensive safety
testing standards used in the production of this Zero Gravity trampoline. As a result of this Zero Gravity
Trampolines will not guarantee the performance and safety of the product when non genuine replacement parts
are used. The use of non-genuine Zero Gravity replacement parts may affect any warranty claim on the product,
as allowed by the law in your jurisdiction.
FOR CUSTOMER SERVICE OR REPLACEMENT PARTS, PLEASE CALL +44 (0) 1264 771247
or VISIT www.zerogravitytrampolines.com
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Before you start to assemble
Check the contents of your package against the parts list in this guide. If any parts are missing please
contact your supplier or Zero Gravity Trampolines customer service for assistance.
If any parts are missing or damaged then do not erect or use the trampoline until replacement parts have
been received.
When choosing the location for your trampoline please ensure that the area is completely flat and level.
The trampoline should be clear from obstructions overhead, we recommend 8 metres clearance from
ground level. Ensure that there is a minimum of 2 metres clearance from any structure or obstruction
around the edge of the trampoline. There should be no obstructions underneath the trampoline and it is
preferable to select a well lit area.
Two adults are required to erect the trampoline
We recommend wearing heavy duty work gloves and eye protection when assembling the trampoline.
The trampoline has passed extensive safety testing, do not modify the design of the product in any way
nor use non-original Zero Gravity parts.
The packaging does contain some small parts which are a choking hazard for small children. It is
therefore recommended that children under the age of 3 years should be kept away when the trampoline
is being assembled.
Ensure that you keep this instruction manual for reference in the future.
Before using the trampoline
Use of this trampoline requires constant adult supervision. Use the trampoline only with mature and
knowledgeable ADULT supervision.
Ensure that the trampoline enclosure has been assembled correctly, as per the instructions in this
manual and that the zipper and buckles located at the entrance are fully closed before use.
Trampolines over 20 in. (51 cm) tall are not recommended for use by children under 6 years of age.
There must be no more than one person at a time on the trampoline.
Maximum weight of the user shall NOT exceed 165lbs/75kg for this product.
This product is for household and family domestic use only – It is not for use in schools, playgrounds,
rental or commercial use.
It is of particular importance to follow the maintenance instructions at the beginning of every season.
Neglecting regular maintenance can lead to a risk for users.
5
Important Safety Instructions
Only one user at any one time! Multiple users can cause loss of control, collision or falls on the
trampoline. This could result in serious injury to legs, arms, back, neck or head.
Do not use the trampoline when under the influence of alcohol, drugs or medication, which may impair
the jumper’s judgement.
Always consult your physician before performing any kind of physical activity.
Do not use the trampoline if you have high blood pressure.
Do not use the trampoline if you have a medical history of neck or back injuries or mental or physical
conditions that could cause injury.
Do not use if the user has any broken bones (casts) or has recently been in the hospital for extensive
treatments (operations, severe wounds, stitches, back injury or concussion).
If pregnant do not use without the consent of your physician.
Do not use the trampoline if the user or the trampoline surface is wet. These conditions can cause the
user to lose control and fall resulting in serious injury.
The product must not be used in windy conditions as wind can cause unexpected movement of the
product. Wind can cause the trampoline to be lifted off the ground and become airborne. This can
present a danger to individuals and to property. Winds can be especially strong in open areas, areas
between homes that create wind tunnels and anywhere else where local weather conditions can create
high winds. We recommend that you anchor the trampoline or otherwise secure the trampoline to
prevent it from moving as a result of the wind. One possible way to anchor the trampoline is to secure
the trampoline to a concrete footing under each leg. We recommend consulting a local licensed
contractor to best determine how the anchor system should be constructed for your specific conditions.
When anchoring the trampoline straps must always be connected to the top ring of the trampoline, not
the feet as legs could be separated from the main frame in strong winds. Even with anchors, a
trampoline can be lifted, just like anything else, by strong winds. If the winds are anticipated to be very
strong, the trampoline should be disassembled and stored away safely until the weather conditions
improve. Damage from the wind or other severe weather is not covered by the manufacturer’s warranty.
Because the manufacturer warranty does not cover wind or weather related damage and damage can
be caused to your property or the property of others by a windblown trampoline, it is strongly advised
that you provide site specific anchoring through a licensed local contractor.
Use trampoline only with mature, knowledgeable adult supervision.
Do not attempt or allow somersaults. Landing on the head or neck can cause serious injury, paralysis, or
death, even when landing in the middle of the mat.
Do not allow more than one person on the trampoline. Use by more than one person at the same time
increases the chance of injury.
Carefully read these warnings before using this product. Failure to follow these warnings
can result in serious injury or death.
6
Proper Play Conditions:
Always use the product in a well-lit area. Do not use without lighting during dawn, dusk or in complete
darkness.
The trampoline must be placed on a surface that is COMPLETELY FLAT AND LEVEL. If the ground
is uneven, this could cause movement in the frame and could cause stress on the joined sections of
the frame that could damage the trampoline and/or can cause serious injury.
DO NOT install or position this trampoline on a hard surface such as concrete, tarmac or paving.
Suitable surfaces are grass, sand or a play area covered with an appropriate depth of play bark
material.
ALWAYS ensure the trampoline is on level ground with a minimum of 8.2ft ( 2.5 metres ) clear space
from any structure or obstruction such as fence, garage, house, overhanging branches, laundry lines or
electrical wires.
Adequate overhead clearance is essential. A minimum of 26.25 ft (8 metres) from ground level is
recommended. Provide clearance for wires, tree limbs, and other possible hazards.
Do not use the trampoline indoors, as this product is intended for outdoor home use only.
Appropriate Use Conditions:
Children must always be supervised while they are playing on the trampoline and must be instructed
not to use the trampoline in an inappropriate or hazardous manner. Take precautions to prevent
access to the trampoline by children when there is no adult supervision.
Restrict access to the trampoline by any unauthorized users without your consent.
Trampolines are rebounding devices, which propel the user to unaccustomed heights, and into a
variety of body movements. Rebounding off of the trampoline, striking the frame or springs, or
improperly landing on the trampoline mat may cause serious injury.
Always start and maintain your jump at the center of the trampoline mat in order to reduce the risk of
landing on the frame or springs or falling off the trampoline. When you land more than 1ft away from
the edge of the Zero Gravity logo in the centre of the mat stop your jump immediately. Restart your
jump at the centre of the mat.
Avoid bouncing too high. Stay low until you can control your bounce and land consistently in the
middle of the trampoline mat.
Ensure the trampoline frame and springs are fully covered by the frame pad to avoid any direct contact
with metal parts.
Do not stand or jump on the springs while using the trampoline. The springs are not designed to
support such stress and weight. This can result in serious injuries and/or product damage. If you see
Carefully read these warnings before using this product. Failure to follow these safety
instructions can result in serious injury or death.
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any signs of stretched or damaged springs, do not use the trampoline until replacement springs are
properly installed. Please contact our customer service representatives to order original Zero Gravity
replacement parts.
The trampoline is several feet off the ground. Jumping off the trampoline to the ground or any other
surface may result in injury. Smaller children may need assistance getting up onto or down from the
trampoline. Mounting and dismounting properly should be followed as a strict rule. Users should climb
onto the trampoline by placing their hands on the frame and stepping or rolling up onto the frame,
across the springs and onto the mat. Do not step directly on the frame pad or grasp the frame pad
when mounting or dismounting the trampoline. To dismount, jumpers should walk to the side of the
mat, bend over and place their hands on the frame, then step from the mat to the ground. Users
should always place their hands on the frame while mounting or dismounting.
Do NOT use the trampoline as a springboard to jump onto other objects.
Remove all objects not designed for use with the trampoline from the trampoline before use. Do not let
children take toys or other items onto the trampoline.
Do not eat while jumping.
The trampoline should not be buried or sunken into the ground.
During winter period, the snow load and the very low temperature can damage the trampoline. It is
recommended to remove the snow and store the mat and the enclosure indoors.
Do not jump or step onto the frame pad as it was not designed to support the weight of a person.
Do not use the trampoline while holding or wearing any type of sharp or pointed objects such as
jewelry, watches, rings, eyewear and necklaces before using this product. This will prevent the jewelry
from tearing the mat or getting caught in the enclosure netting.
Do not wear loose fitting clothing that may catch or snag during play.
Never wear footwear (e.g. shoes) when using the trampoline.
Always tie back long hair so that it does not block user’s vision or get caught in the enclosure netting.
FRAME PADS – Frame pads are there to protect user from any fall or landing on the springs and frame.
On no account should people be permitted to sit or stand on them when the trampoline is in use. You
should also make sure that smaller users do not use the inside edges of the pads as a “handle” when
getting up on to the trampoline.
Never use the trampoline without the frame pad being securely attached. Properly tie down the frame
pad before each use. Improper assembly of the frame pad may lead to injury.
Always check to ensure there are no obstructions or objects under the trampoline that could cause
injury or obstruct movement of jump mat. Also check that there are no pets or other people underneath
the trampoline.
Do not jump on the trampoline with a snowboard, skateboard, roller blades, bicycle or any other
equipment. DO NOT hold any foreign objects not authorized by the manufacturer in your hand and DO
NOT place any objects on the trampoline while anyone is jumping on it. Please be aware of your
surroundings to ensure there are no objects that could cause harm when you are playing on the
trampoline.
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The frame of your trampoline is made of steel and it will conduct electricity. No electrical equipment
(lights, heaters, extension cords, household appliances, etc.) should be permitted in, on or around the
trampoline under any circumstances to avoid the risk of electrocution.
Always jump in the middle of the mat.
Enclosure Netting and Mat – Appropriate Use Conditions
Children MUST NEVER be left unattended inside the enclosure at any time.
The enclosure is ONLY intended to be used to reduce the risk of injury from falling off the trampoline.
Do not intentionally kick, bounce against, climb on, hang from, jump over or crawl under the netting.
Enter and exit the enclosure only through the zipper door. Do not go through the gap between the
netting and the mat. Trying to exit this way poses a risk of strangulation, especially for young children.
The enclosure netting and mat must be inspected prior to each use. If there are any signs of
weakness, you must stop using the trampoline immediately, properly store the trampoline and restrict
access by users until a new Zero Gravity authorized replacement netting or pad is installed. Please
refer to the Trampoline Net & Pad – Maintenance Requirements section contained in this manual for
further detail.
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Parts List
Part
Number
Image
Description
Qty
1
Trampoline Mat
1
2
Frame Pad
1
3
T-joint
6
4
Top Rail
6
5
Leg Base
3
6A
Leg Extension（2 holes）
3
6B
Leg Extension（3 holes）
3
7
Bolt (43mm)
6
8
Cap Nut
6
9
Spring Washer
9
10
Arc Washer
15
11
Self-Locking Screw
6
12
Small Spring Washer
9
13
Galvanized Springs
42
14
Wrench
1
15
Spring Loading Tool
1
16
Allen Wrench
1
17
Plastic End Cap
3
18 Trampoline Safety Instruction Placard
1
A
Upper Frame Tube with Foam
3
B
Lower Frame Tube with Foam
3
C
Cable Wire
6
10
D
Plastic Cap
3
E
Cap Nut
3
F
Self-Locking Screw
6
G
Screw Lock
3
H
Cord
5
I
Enclosure Netting
1
J Enclosure Safety Instruction Placard
1
L-1
Cane Shaped Frame Tube
2
L-2
Extension Frame Tube
NA
L-3
Foot Tread Tube
2
L-4
Screws
4
L-5
Cap Nut
4
L-6
Arc Washer
8
L-7
Spring Washer
4
L-8
End Cap
4
L-9
Safety Instruction Placard
1
L-10
Straps
2
11
Assembly Instructions
STEP 1
12
STEP 2
13
STEP 3
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