Figure 4-23. Balancer Installation - OH-58 Series Main Rotor Hub and Blade Assemblies (Typical).

TM 55-4920-201-14

x. Repeat step m to radially reposition blades.

aa. Tighten bushing set screw (12) to

maintain position.

y. Insure bushing (8) is seated firmly in rotor

trunnion bore. Do not tighten its locking set screw.

ab. Check blade grip positioning and return to

flat pitch, if required.

z. Retighten handwheel (13) to seat yoke legs

ac. Repeat hoist operation, stabilize and

(9) against hub surface. Maintain alignment of

observe balance indication.

yoke legs along pitch axis and the seat of bushing

taper into the trunnion bore.

Figure 4-23. Balancer Installation - OH-58 Series Main Rotor Hub and Blade

Assemblies (Typical).

Change 6

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