Bell OH-58A Technical Manual page 247

BDAR FIXES SHALL BE USED ONLY IN COMBAT OR FOR TRAINING
(AUTHORIZED TRAINING FIXES ARE LISTED IN APPENDIX E.)
IN EITHER CASE, DAMAGES SHALL BE REPAIRED BY STANDARD
14-1. SCOPE.
a. The de-icing system is the means
by which the engine is kept from an
The system consists
icing condition.
of a de-ice switch and a de-ice control
actuator protected by a 5 amp circuit
breaker. Refer to Figure 14-1.
b. This chapter consists of two BDAR
fixes which can be applied for repair of
the de-icing system components.
14-4. GENERAL INFORMATION: Damage to
control rod may be repaired by using one
of the following repair options.
Splice Repair.
OPTION 1:
LIMITATIONS: None.
PERSONNEL/TIME REQUIRED:
1 Soldier
2 Hours
MATERIALS/TOOLS REQUIRED:
Flat or Round Piece of Material
(Example: engine cowl hold open rod)
Drill with Bit
No. 8 screws or bolts
PROCEDURAL STEPS:
Drill hole on end of control rod.
1.
Insure that original length of damaged
rod is known. Cut substitute tube to
proper length and drill hole on other
Install substitute tube and secure
end.
with screw or bolts and nuts.
CHAPTER 14
UTILITY SYSTEM
AT THE DISCRETION OF THE COMMANDER.
PROCEDURES AS SOON AS PRACTICABLE.
Section I. INTRODUCTION
Section II. DE-ICE VALVE OR CONTROL
mission is complete, as soon as
ASSESSMENT PROCEDURES. Visually
14-2.
inspect the damaged de-icing components
to determine the extent of damage and
the repair required.
14-3. REPAIR PROCEDURE INDEX.
De-Ice Valve or Control
Repair. . . . . . . . . . 14-4
2. Record BDAR action taken.
practical, repair the equipment/system
using standard maintenance procedures.
OPTION 2: Manual Control of Valve.
PERSONNEL/TIME REQUIRED:
1 Soldier
1 Hour
MATERIALS/TOOLS REQUIRED:
0.041 or O.032 Safety Wire
PROCEDURAL STEPS:
1. Remove damaged control rod from de-ice
valve and control actuator. If extremely
cold weather, secure de-ice valve control
lever in open position by tying the lever
to an adjacent part of the engine nose
area. If hot weather, secure valve in
closed position with safety wire.
2. Record BDAR action taken.
mission is complete, as soon as
practical, repair the equipment/system
using standard maintenance procedures.
TM 55-1520-228-BD
PARA.
When
When
14-1