TM 1-1520-238-23
6-567
6.137.
TAIL ROTOR GEARBOX IDENTIFICATION PLATE REPLACEMENT – continued
6.137.3. Removal
a. Record all data found on existing identifica-
tion plate (1).
b. Remove plate (1) from intermediate gearbox
(2).
(1) Peel up corner of plate (1). Use putty knife.
(2) Remove plate (1) from gearbox housing (2).
(3) Discard plate (1).
6.137.4. Cleaning
CAUTION
Do not use trichloroethane, chlorofluo-
roethane, or any other product with
“chlor” in the name, for cleaning titanium,
magnesium, aluminium, or galvanized
metals. Products with “chlor” in the name
are corrosive to these metals.
NOTE
Do not allow alcohol to evaporate from
surface. Discoloration will occur.
a. Clean identification plate mounting area on
gearbox housing.
(1) Remove all cured compound from gearbox
housing. Use isopropyl alcohol (item 106,
App F) and cloth (item 51, App F).
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PART NO.
SERIAL NO.
LUBRICANT
SEE MANUAL FOR ALTERNATE
CAPACITY
MFG.
MFR. CODE
AIRCRAFT MOD.
MODIFICATION INCORPORATED
PART NO.
CONT. NO.
SERIAL NO.
CONT.
INSP.
CUST.
INSP.
M04-3792-3
OVERHAUL DATA PLATE
EQUIPMENT DATA PLATE
2
1
M04-3792-1
2
1
