MAIN ROTOR PITCH HOUSING REMOVAL
This task covers:
Removal. Cleaning. Inspection.
5.25.2. Initial Setup
Aircraft maintenance tool kit (item 372, App H)
Cloth (item 52, App F)
Aircraft Powertrain Repairer/NDI
One person to assist
Main rotor dampers removed
Main rotor lead lag link removed
Main rotor blade pitch link disconnected
FLIGHT SAFETY PART
The main rotor pitch housing is a flight safety part. Failure to follow maintenance instructions
may result in serious injury or death of crewmembers and/or serious damage to the helicopter.
Pitch housings are matched according to weight. Maximum weight should not exceed 26.9 pounds.
Opposite housing must be within 1.5 pounds of each other. Prior to removal, match mark on pitch
housings to facilitate proper matching during installation, i.e., 1 opposite 3 and 2 opposite 4 or A
opposite C and B opposite D.
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