0075 00
TM 1-6625-724-13&P
0075 00-4
Table 1. CH-47 Test States
FLIGHT PLAN
TEST STATES
TEST CONDITION
GROUND
FPG100
100% NR, 3 degree GND detent
HOVER
Hover
Hover
FLIGHT
Hover
80K
120K
140K
Hover
80 Knots level flight
120 Knots level flight
140 Knots level flight
50Hour
OILCLR
AFTFAN
Vibes at forward trans. Oil Cooler.
Vibes at AFT XM cooling fan
FWDVIB
FWDOIL
H/B#1
H/B#2
H/B#3
Vibes at forward trans. Oil Cooler
Vibes at hanger bearing #1
Vibes at hanger bearing #2
Vibes at hanger bearing #3
AFTVIB
H/B#4
H/B#5
H/B#6
H/B#7
XSHFT1
XSHFT2
Vibes at hanger bearing #4
Vibes at hanger bearing #5
Vibes at hanger bearing #6
Vibes at hanger bearing #7
Vibe readings for cross shaft No. 1
Vibe readings for cross shaft No. 2
PROBES
ACC1
ACC2
ACC3
ACC4
F-Lat
F-Vert
A-Lat
A--Vert
Operator must denote location and
Orientation for ACC1 ACC4.
Power Spectrum acquisition
Power Spectrum acquisition
Power Spectrum acquisition
Power Spectrum acquisition