Textron Bell 412 - Page 258

BHT-412-MM-2
5-00-00
Page 208 Rev. 23 15 DEC 2015
Export Classification C, ECCN EAR99
CONDITIONAL INSPECTIONS
5-40. AFTER OVERTORQUE (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
PT6T-3B/-3BF PT6T-3B/-3BE/-3
BF/-3BG
PT6T-3D/-3DE/-3
DF
PT6T-9
BELL
% TQ
P&WC
FT LB
BELL
% TQ
P&WC
FT LB
BELL
% TQ
P&WC
FT LB
85.3 915 82.1 915 98.7 1100
81.6 875 78.5 875 96.5 1075
76 815 73.2 815 94.2 1050
66.8 738 66.2 738 89.8 1000
85.3 950
81.0 902
77.1 859
76.3 850
73.2 815
71.8 800
67.3 750
NOTES:
412 S/N 33001 through 33107 Pre TB 412-84-44.
412 S/N 33001 through 33107 Post TB 412-84-44 and
all 412SP S/N 33108 through 33213, 36001 through
36019, and 412HP S/N 36020 through 36086 with
PT6T-3B series engines installed.
412SP S/N 33108 through 33213, 36001 through
36019, and 412HP S/N 36020 through 36086 with
PT6T-3D series engines installed and 412EP
S/N 36087 through 36999.
For 412EPI S/N 37002 through 37999, refer to PT6T-9
engine maintenance manual.
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