Main Rotor Head
When a UH-60M main rotor head assembly is being removed, how should the lower pressure plate bolts be loosened?
1/4 inch turn increments in sequence numbered on lower pressure plate.
In what work package would you find the table that shows the sizes of replacement washers for the main rotor spindle bonded washers?
WP 0789
in which direction does the upper PC Rod attachment HDWR cotter pin?
Head facing direction of rotation
What is the maximum leakage rate allowed for a main rotor damper indicator?
Less than 1 drop per hour
In what work package would a Maintainer look in to find the correct direction of the pawls located on the PC Rod attachment HDWR?
WP 0796
What must you do if 25% of the dry film lubricant has been removed from the outside diameter of the pin bushing assembly on the swashplate expandable pins?
Replace expandable pin
What do you do if light corrosion is found on the main rotor shaft nut?
Remove light corrosion
What WP covers Description and Data of the Main Rotor System
WP 0019
When installing the main rotor blade solid blade pin, in which direction do you install the cotter pin?
Install cotter pin from side of pin closest to main rotor hub.
When installing the anti-flap assembly, how much torque is applied to the anti-flap stop bolts?
181-199 inch-pounds
In what WP would you find the consumable needed to
WP 0797, Pitch Control Rod Upper and Lower Rod Ends
When installing the bifilar on the shaft extension, with what must you align the white stripe?
The "O" index mark.
While replacing a main rotor spindle bonded washer, you find that the outside diameter of the cuff bushing is 1.25 inch. What must you do?
Replace spindle.
What Work package covers removal and installation of the Damper?
WP 0799
What is the minimum torque for a threaded insert, PN: 79698-524, which is being installed?
66 inch-pounds.