Propeller Pitch Block

Propeller Pitch Block
PART NO. 376934

Factory service bulletin

SB-875 (October 24, 1961): fixture for 18 HP propeller #37636; grind a 3/8-inch radius to clear the blade root. The factory retained the fixture part number.

Factory service reference: SB-932 recommends a No. 3 rawhide hammer when working with propeller straightening fixtures.