TM 1-1520-238-23
5-142.2
Change 2
5.29A.
MAIN ROTOR PITCH HORN WASHER REPLACEMENT (AVIM) – continued
5.29A.3. Removal
WARNING
Do not place heater near flammable
material or allow heater to contact
skin: severe burns can result. Wear
protective equipment. If injury occurs,
seek medical aid.
CAUTION
Do not exceed 200 F when using heater
or damage to main rotor pitch horn may
occur.
a. Remove washer (1) from main rotor pitch horn
(2).
(1) Apply heat to washer (1) and remove. Use
putty knife, heater, and protective gloves.
5.29A.4. Cleaning
a. Clean pitch horn (para 1.47).
5.29A.5. Inspection
a. Check pitch horn washer mounting area for
damage.
(1) No cracks permitted.
(2) Defects up to 0.010 INCH deep, 0.010 INCH
wide, and 0.050 INCH long may be blended
out at 10:1 ratio.
b. Check mounting area for corrosion (para
1.49).
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M04-5126-1
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