Section II. EQUIPMENT DESCRIPTION AND DATA

TM 55-1730-215-13 & P

Section II

EQUIPMENT DESCRIPTION AND DATA

1-6. CHARACTERISTICS.

The Platform, Aviation Maintenance, Type B-4A, is

a hydraulically

operated, adjustable platform and ladder assembly

mounted on a

caster-equipped base which can be moved to enable

personnel to work

safely at heights of approximately three to seven

feet.

FEATURES.

1-7. CAPABILITIES

AND

a. The platform is mobile and has swivel casters. These can be

locked for stability when the platform is in the desired location.

b. A tow bar is provided to permit towing by vehicle when movement

over longer distances is required. Do not exceed 5 MPH when towing.

c. The platform is designed to support up to 500 pounds in its

raised position.

d. The platform is raised and lowered by manual control of a

hydraulic pump.

1-8. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS. Refer to figure 1-1

and table 1-1.

1-9. EQUIPMENT DATA. Refer to table 1-1.

Table 1-1. Physical Characteristics

Item

92.2 inches

Base Length

52.3 inches

Base Width

77.6 inches

Platform Length

36.0 inches

Platform Width

3.0 feet

Minimum Height (lowered)

7.0 feet

Maximum Height (raised)

500.0 pounds

Maximum Rated Load Capacity

550.0 Pounds

Weight (approximately)

Hydraulic fluid (MIL-H-83282)

Servicing Fluid

5.0 MPH

Maximum Towing Speed

1-3