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When leveling is critical or the trainer panel requires casters, a
3.7.2.2 Screw jacks.
minimum of four (4) screw type jacks, one each permanently mounted adjacent to each caster on
the trainer base frame, shall be provided for retracting, leveling, removing, or instalIing the casters.
The jacks shall be capable of supporting the trainer while in use for extended periods of time. Each
n o t impose a concentrated single point floor loading greater than 100
jack shall
pounds-per-square-inch based on the formula specified in 3.7.2.1.
Storage provisions shall be provided in each trainer panel for all
3.7.3 Storage provisions.
trainer peculiar items, such as, extension cords, leads, cables, removable casters, soft covers,
publications, manuals and historical records.
Detachable drip pans with readily accessible low-point drain valves shall be
3.7.4 Drip pans.
located under all liquid systems. The drip pan shall be constructed of sheet metal or other equally
durable material not less than forty thousandths (.040) of an inch thick.
3.7.5 C o v e r s .
Unless otherwise specified in the Detail Specification, covers of the types
specified in 3.7.5.1 through 3.7.5.3 shall be provided for each individual trainer.
Waterproof soft covers shall be provided for protection
3.7.5.1 Waterproof soft covers.
against weather damage during shipment. These covers shall be fabricated of a coated waterproof
fabric or equivalent and shall be designed to fit over individual trainer panels in the shipping
configuration. All corners and points of stress shall be reinforced to assure maximum strength and
durability. Covers shall be fitted with waterproof zippers where required to permit ease of
installation and removal. Suitable fasteners shall be provided where required to assure a reasonably
tight fit and secure cover. Fasteners provided for this cover shall be of a type which can be secured
or unsecured quickly with no special tools.
3.7.5.2 Waterproof hard covers.
Hard covers shall be provided for protection against
weather and handling damage during shipment. Covers shall be collapsible and constructed of not
less than one-half (1/2) inch-thick plywood conforming to NNP530 for type 1 exterior fully
waterproof bond plywood. Stiffeners shall be provided on the inside surface of covers as required
for rigidity and strength. Covers shall be attached to the trainer panel structure by high-strength!
hexagonal, wrench-operated, rotary-type latches which engage with the base raiI of the trainer panel
frame or, alternatively, by link locks. When multiple panels are assembled on the trainer, they shall
present a smooth and continuous exterior surface. An access door shall be provided in hard covers
I
to faciIitate removal of the trainer casters from the stored position. The access door lock shall be
actuated by an ordinary screwdriver. An instruction decal in accordance with 3.3.3.7.2 shall be
included.
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