R1224 Regulator
Installation Instruction
24-30-01 12-1001
Page: 6-4 Rev. M: 01 Dec. 2021
© 2021 - Hartzell Engine Technologies - All rights reserved
Figure 6-1 - Regulator Voltage Adjustment
Note: All twin engines must replace
both regulators
OEM Regulator P/N
Plane Power
Regulator P/N
Supplement
Information
True Flight Holdings, LLC
AA-5, AA-5A, AA-5B
C6FF-10316BA, D4FF-10316-
BA
R1224 Guide D
AA-1B
Prestolite FVR-4004,
LW- 11357, Wico X17990,
X16300B
R1224 Guide A
AA-1C Wico X17990 R1224 Guide A
AG-5B - R1224 Guide J
Vulcanair, S.p.A
P68C, P68C-TC, P68 “Observer” P68TC “Observer”,
P68 “Observer 2”
Vulcanair NOR7.375-3 R1224B Guide H
Weatherly
620A, 620B J12M24SP R1224J Guide N
Table 6-1 - Effectivity
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