SECTION I INTRODUCTION - TM-10-3990-203-13-P0005

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