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Atwood MHL2227 Installation Operation & Maintenance page 2

Extension ladder for recreational vehicle ladder

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Before you begin...
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.
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.
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
CAUTION
Seek a qualified
WARNING
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
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.
been

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