Section II. INITIAL CONVERSION OF HYDRAULIC SYSTEMS

TB 55-1500-334-25

Section II. INITIAL CONVERSION OF HYDRAULIC SYSTEMS

AIRCRAFT

APPLICATION

2-1 Applications of MIL-H-83282.

CH-54A

First Stage Hydraulic System,

The fire hazards of MIL-H-5606 are greatest in light

Second Stage Hydraulic System

control systems which are under high pressure and which

Utility Hydraulic System Cargo Hoist

have a relatively large volume of fluid. At the present

Hydraulic System

time, only the following aircraft hydraulic systems and

CH-54B

First Stage Hydraulic System Second

components will be converted from MIL-H-5606 to MIL-H-

Stage Hydraulic System Utility

83282.

Hydraulic System

AIRCRAFT

APPLICATION

NOTE

OH-58A

Flight Control System

UH-18B/D/H

Flight Control System Armament

CH-54B aircraft based in Alaska will

System M6 Additional Armament

retain MIL-H-5606. All CONUS based

Systems for UH-IB, M16 and M21

CH-54 aircraft will be converted to MI L-

UH-IC/M

Hydraulic Systems No. 1and 2

H-83282.

Armament System M6, 16, 21

AH-1 Series

Hydraulic Systems No. 1 and 2

Servicing

Armament Turret System

Equipment

CH-47 A/B/C

Flight Control Systems No. 1 and 2

Utility Hydraulic System

AF5, D5

Hydraulic dispensers and

OV-l

Main Hydraulic System

Series,

test stands will be converted

UH-60A

Hydraulic Systems No. 1, 2, and 3

to MIL-H-83282 to provide

MSU-I

ground support to aircraft converted

to MIL-H-83282.

2-2 Non-Applicability of MIL-H-83282.

limitations in Section III are exceeded, field personnel will

The following components will retain MIL-

be unable to change these components from MIL-H-

H5606 hydraulic fluid. These components cannot be

83282 back to Ml IL-H-5606.

readily serviced by field personnel or have not been

tested for MIL-H-83282. In the event that the temperature

AIRCRAFT

COMPONENT

UH-1 B/C/D/H/M

Stabilizer-bar dampers

AH-1 Series

Pylon dampers

CH-47 A/B/C

Lag dampeners Landing gear shock struts

OV-1

Propeller control system and landing gear pneudraulic struts

CH-54A/B

Landing Gear Shock Struts

Rotor Brake System

Main Rotor Blade Damper System

NOTE

CH-54B aircraft based in Alaska will retain MIL-H-5606. All CONUS based CH-54 aircraft will be

converted to MIL-H-83282.

OH-6

Landing Gear Dampers Uni-lock

UH-60A

Landing Gear Struts, Wheel Brake System, Main Rotor Dampers

Change 6

2-1