Atwood MHL2227 Owner's manual

LITERATURE NUMBER 297-333468
Extension Ladder for
Recreational Vehicle Ladder
Model # MHL2227
This Extension Ladder design has been verified to the
guidelines stated in this document for use on recreation
vehicle ladders.
●Installation ●Operation ●Maintenance
Effective 01/16/2014
SERVICE CALLS & QUESTIONS
Location and phone numbers of qualified Service
Centers can be found at our website
http://www.atwoodmobile.com or call 866-869-3118 to
locate a Service Center.
WARNING
MAY CAUSE PERSONAL INJURY OR DEATH
For your safety and protection, it is important that this
installation manual is read and understood before
installation or use. Failure to properly install the unit or
attempting to modify it in any way can be extremely
hazardous and may result in property damage and
personal injury and will void the warranty.
CAUTION
MAY CAUSE PERSONAL INJURY OR PROPERTY
DAMAGE
Incorrect or improper installation may cause
personal injury and/or property damage.
GENERAL INFORMATION
Package Contents:
• Atwood Extension Ladder: Quantity 1
• Instruction Sheet: Quantity 1
PURPOSE
This product is designed for installation onto a
permanently affixed rear-mounted recreational vehicle
ladder to provide additional steps below and increase
accessibility to the rear-mounted recreational vehicle
ladder.
-The MAXIMUM WEIGHT CAPACITY of the Extension
Ladder is 300 lbs.
SAFETY ALERT SYMBOLS
Safety Symbols alerting you to potential personal safety hazards.
Obey all safety messages following these symbols
WARNING
avoid possible
injury or death
CAUTION
avoid possible
injury and/or property damage

Before you begin…
CAUTION
MAY CAUSE PERSONAL INJURY OR PROPERTY
DAMAGE
It is the responsibility of the installer to inspect the
permanently mounted RV ladder to determine its
condition, installation, and rated capacity will allow the
use of this Extension Ladder. Seek a qualified
technician to determine if your permanently mounted
RV ladder is installed properly and is fit for use with
this Extension Ladder.
Vehicle Ladder Specification:
-The vehicle ladder should be of a minimum 1” diameter
aluminum or steel tubing common design with steps at
least 1-3/4” wide.
-The vehicle ladder should be of a common design with
center-to-center spacing of the rails of 11-1/8”.
-The vehicle ladder should be securely mounted.
-The vehicle ladder should have a minimum rated
capacity of 300 pounds.
-The ladder should be in good condition with no dented,
cracked or rusted parts.
INSTALLATION
How to mount the Extension Ladder to your
permanently-mounted RV ladder.
WARNING
MAY CAUSE PERSONAL INJURY OR DEATH
The Extension Ladder is not intended to be a
permanent fixture. The Extension Ladder should only
be applied when the vehicle is parked on level ground.
Remove and properly store the ladder before starting
or moving the vehicle.
1. In order to determine which opening between the
rungs/steps of the vehicle’s existing ladder to insert the
Extension Ladder into, place the Extension Ladder’s
rubber feet on level ground and hold the Extension
Ladder upright and vertical next to the vehicle ladder. In
this position, make note of the height location of the
Extension Ladder rail hooks and the corresponding
height location on the vehicle ladder rails. The Extension
Ladder can be applied to any portion of the vehicle
ladder rails where the Extension Ladder rail hooks are
not obstructed by either or both a rung/step or a ladder
mounting point at or within 2” below the Extension
Ladder rail hook height location. If the rail hooks are in
interference with a permanently mounted vehicle ladder
component, then the Extension Ladder should be
inserted just below the interfering component while
ensuring that safe angle requirements are met (See
Diagram #4 for Safe Angle Requirement).
2. Once the appropriate insert area has been
determined, lift and swing the bottom of the Extension
Ladder to either side approximately 45° until the
Extension Ladder rail hooks clear the insert area (See
Diagram #2).
3. With the Extension Ladder rail hooks aligned to clear
the vehicle ladder rails on either side of the insert area,
insert the upper portion of the extension ladder into the
insert area until the Extension Ladder rail hook openings
are in a position to go onto the vehicle ladder rails.

4. With the Extension Ladder rail hooks in the insert
area, swing the Extension Ladder back to upright
position until both Extension Ladder rail hooks engage
the vehicle ladder rails (see Diagram #3). Pull the bottom
of the extension ladder out slightly but without exceeding
the maximum application angle / distance (>/=15° or 13-
1/2”. See Diagram #4). Slide the Extension Ladder
down the vehicle ladder rails under the Extension Ladder
rubber feet comes to rest firmly on level ground.
CAUTION
MAY CAUSE PERSONAL INJURY OR PROPERTY
DAMAGE
Failure to properly secure the Extension Ladder to the
vehicle ladder may cause damage or injury. Always
verify that the Extension Ladder is securely fastened to
the vehicle ladder when installed for use on the vehicle
ladder. Always verify that the Extension Ladder is
firmly resting on the ground when installed for use on
the vehicle ladder. Never move the vehicle with the
Extension Ladder installed for use on the vehicle
ladder.
Make sure the rubber feet of the installed Extension
Ladder can’t slip. Once at rest, apply some weight to the
bottom step/rung of the installed Extension Ladder to
ensure the installed Extension Ladder is stable. If
Extension Ladder is not secure, re-inspect the Extension
Ladder to ensure no components are damaged, broken
or missing. DO NOT use a ladder with damaged,
broken, or missing components. Verify rails hooks are
engaged. Re-position the Extension Ladder repeating
the previous steps until secure.
CAUTION
MAY CAUSE PERSONAL INJURY OR PROPERTY
DAMAGE
When vehicle is stationary for extended periods,
always check the position of the Extension Ladder
before each use. Adjust into correct position as
necessary, ensuring ladder is secure every time before
use. It is the responsibility of the user to verify the
Extension Ladder is secure to the vehicle ladder and in
the correct position.
OPERATION
CAUTION
MAY CAUSE PERSONAL INJURY OR PROPERTY
DAMAGE
For comfort as well as safety, hands should be
completely dry and footwear should have solid
bottoms to provide better grip and support when
climbing a ladder. Bare feet, soft sandals or “flip-flops”
are not recommended.
When climbing onto the Extension Ladder, grab onto the
rungs of the vehicle ladder using a hand-over-hand
method. Always keep firm grips on the ladder as you
ascend, only releasing one hand before reaching and
grabbing the next location. While ascending and
descending the Extension Ladder and/or vehicle ladder,
always make sure feet are planted firmly on the
occupied step before advancing to the next step.

MAINTENANCE
The Extension Ladder is made from durable materials
and is intended for outdoor use. However, minor
maintenance may be required periodically.
The Extension Ladder may be cleaned with warm soapy
water. Be sure to thoroughly rinse with clean water to
retain finish. May be towel or air-dried.
Check to make sure all fasteners are tight before and
after each use, and replace any missing fasteners before
use. Do not use Extension Ladder if any fasteners are
damaged, broken or missing.
The Extension Ladder is not intended to be a permanent
fixture. If the recreational vehicle is to be moved then
the Extension Ladder needs to be removed from the
vehicle ladder and stored separately. Storage is also
recommended if the recreational vehicle is to remain
stationary for an extended length of time as minimizing
the Extension Ladder components’ exposure to the
elements or other hazards will prolong the life of the
Extension Ladder and its components.
Periodically inspect the Extension Ladder tubing, ladder
rail hooks and step components for any damage, cracks
or broken pieces. Replace the Extension Ladder if
damaged, cracked or broken. Do not use Extension
Ladder if any components are damaged, broken or
missing.
ATWOOD MOBILE PRODUCTS LLC
LIMITED WARRANTY
Atwood Mobile Products LLC warrants to the original retail customer of products
manufactured by Atwood Mobile Products LLC and subject to the below
mentioned conditions, that this product will be free of defects in material and
workmanship for the below specified period of time from the original date of
purchase or manufacture. For the remainder of this document Atwood Mobile
Products LLC will be referred to as Atwood. Atwood’s liability hereunder is limited
to the replacement of the product, repair of the product, or replacement of the
product with a reconditioned product at the discretion of the manufacturer. This
warranty is not transferable and is intended for original purchaser only. This
warranty is void if the product has been damaged by accident, unreasonable use,
neglect, tampering, or other causes not arising from defects in material or
workmanship. The warranty extends to the original owner of the product and is
subject to the following conditions.
1) Atwood will repair or replace any part defective in material or
workmanship, after inspection by Atwood. This warranty includes labor
charges per Atwood’s Flat Rate Schedule as required to remove and
replace the part. Service calls to customer’s location and diagnostic time
are not considered part of these charges and, therefore may be the
responsibility of the owner.
2) In the event of a warranty claim, service may be performed at any
approved OEM dealer location
3) Parts being replaced must be shipped to Atwood “Prepaid” in first class
saleable condition and identified with a return goods number, unless other
arrangements have been made. Credit for shipping costs will be included
with the warranty claim. The defective parts become the property of
Atwood and must be returned to Atwood.
4) Returned goods – Goods may not be returned without our consent.
Requests for returns should be made within 10 days from receipt of our
invoice. If the parts being returned are not defective, Atwood reserves the
right to apply a 20% restocking fee. We cannot accept material which has
been custom fabricated or modified from its original design.
5) This warranty applies only if the product is installed, repaired, maintained
and operated according to the installation/service instructions. Any
deviations from these recommended specifications must be approved in
writing by Atwood.
6) The warranty period on replacement parts is the unused portion of the
original warranty period.
7) Damage or failure resulting from misuse (including failure to seek proper
repair service), misapplication or alterations is the owner’s responsibility.
8) Atwood does not assume responsibility for any loss of use, loss of time,
inconvenience, expense for gasoline, telephone, travel lodging, loss or
damage to personal property, or revenues. Some states do not allow the
exclusion or limitation of incidental or consequential damages, so the
above limitations or exclusions may not apply to you.
9) Any implied warranties are limited to the product’s warranty period. Some
states do not allow limitations on how long an implied warranty lasts, so
the above limitation may not apply to you. This warranty gives you
specific legal rights and you may also have other rights, which vary from
state to state.
10) Replacement parts purchased outside of the original warranty carry a 90-
day warranty.
11) Any action to enforce this warranty shall not be commenced more than 3
months after the expiration of this warranty.
12) THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY AND ALL
OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING
WITHOUT LIMITATION THE IMPLIED WARRANTY OF
MERCHANTABILITY AND FITNESS FOR PURPOSE.
Product Specifications for products listed below are designed for use for their
specific application. Any other use, unless authorized in writing by the Atwood
Engineering Department, voids this warranty. Original date of purchase of unit
refers to the date the consumer purchases the vehicle from a dealer. Date of
manufacture refers to the date the item was produced by Atwood Mobile
Products.
Ladders – Two (2) years from original date of purchase of unit.
1) This limited warranty is valid only when the product is applied, installed,
maintained and operated in accordance with this Atwood Installation,
Maintenance and Operating Manual. Any deviation from these
recommended specifications must be approved in writing by Atwood.
2) Any implied warranties are limited to the duration of this limited warranty
as stated above. Atwood does not assume responsibility for
consequential damage or loss, including loss of vehicle, loss of time,
inconvenience, expense for gasoline, telephone, travel, lodging, loss or
damage to personal properties, or loss of revenues. Atwood’s maximum
liability shall not exceed the cost of the goods. Some states do not allow
limitations on how long an implied warranty lasts or limitations on
consequential damages, so the above limitations may not apply to you.
This limited warranty gives you specific legal rights which may vary from
state to state.