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TM 10-3990-203-13&P
SECTION I
INTRODUCTION
f. The hydraulic system is manually operated and
1. INTRODUCTION
located completely within the interior of the ramp.
A use port is cut in the ramp wall giving use access
1.1 SCOPE
to the pump.  The complete hydraulic system can be
reached from underneath the ramp or by removing a
1.1.1 This manual contains instructions for towing,
section of grating.
using, and maintaining the Magline Mobile Loading
g. A detachable towbar is utilized and storage is
Ramp, Model Number MDS-16-92-36-6F-AS-12C
provided in the frame construction (Fig. l-l). The
( F i g . l-l), hereinafter referred to as the ramp.
towbar shall be used with pintle or hook type hitches.
This manual contains descriptions of procedures
for inspecting, maintaining, disassembling, repair-
h. Hand holds are built into both sides of the
ing, and reassembling:
frame allowing manual maneuverability. Balanced
design aids manual positioning.
a. the yoke
i. Manual positioning allows the ramp to be used
b. the suspension
in areas where working space is limited.
c. the hydraulic system
j. Materials used to construct the ramp allow it
d. the towbar
to be used in all environments.
e. the grating
k. The suspension consists of two Goodyear air
springs with internal rubber bumpers.  The ramp
f. any special purpose components
tires are two 8 x 14.5 LT, load range F pneumatic
tires.  The bumpers provide a safety stop in the
1.2 PURPOSE
event of low air pressure in the air springs, pre-
venting the ramp from bottoming out.
1.2.1 The ramp shall be used for loading and unload-
1.4 LEADING PARTICULARS
ing functions requiring the use of 4,000 pound capacity
rough terrain and depot forklift trucks.  It allows the
36 Feet (432 Inches)
Overall Length
lift truck to ascend, from ground level, to the floor of
a MILVAN or refrigerated container, pick up or drop
92 Inches
Overall Width
off goods, and return to the ground.
88 3/4 Inches
Usable Width, Entry
1.3 CAPABILITIES AND PERFORMANCE REQUIRE-
84 Inches
Usable Width, Service
MENTS
45 Inches
Minimum Height
1.3.1 The ramp is constructed to meet or surpass
65 Inches
Maximum Height
the requirements set forth in MIL-R-52899A(ME).
Approximately 5,000 Lbs
Weight
a. Aluminum frame construction with I-beam
trusses for support.  It is capable of supporting a
16,000 Lbs
Workload Capacity
16,000 lb workload.
221 Inches from Entry
Center of Gravity
b. Four sections of steel grating, mechanically
fastened to the frame.  The grating clamps can be
60 Inches
Track
removed to allow removal of a grated section.
26 Inches
Clearance, Ground to
c. The ramp is designed to perform with carrier
Axle
heights (working surfaces) ranging from 45 to 65
Upper Grating Width
39 3/8 Inches Nominal
inches high. When the service apron (high end) is at
a height of 62 inches, the 72 inch level off portion is
47 3/4 Inches Nominal
Upper Grating Length
parallel to the ground.
Lower Grating Width
39 3/8 Inches Nominal
d. The ramp is 36 feet long with a usable width of
Lower Grating Length
310 Inches Nominal
88 3/4 inches at the entry apron and 84 inches at the
service apron.  A 14 inch lip on the service apron
rests on the work surface.
Towing Speeds:
25 MPH
Improved Roads
e. Both ends of the ramp are of safety tread plate
5 MPH
Cross Country
styling.
1-1

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