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FLIGHT CONTROL SYSTEM BEARING/BUSHING REPLACEMENT (AVIM) – continued | Up
TM-1-1520-238-23-7-1 Helicopter Attack AH-64A Apache (NSN 1520-01-106-9519) (EIC: RHA) Manual | Next
FLIGHT CONTROL SYSTEM BEARING/BUSHING REPLACEMENT (AVIM) – continued |
TM 1-1520-238-23
11-41
11.4.
FLIGHT CONTROL SYSTEM BEARING/BUSHING REPLACEMENT (AVIM) – continued
c. Apply appropriate primer or sealing com-
pound around housing (2) and bearing/bush-
ing to form a fillet seal. Refer to Table 11-1
notes column.
d. Inspect (QA).
11.4.7. Installation (Temperature Differential Fit Meth-
od)
CAUTION
Do not freeze sealed bearings below -65
°F (-53 °C). Do not freeze all other bear-
ing(s)/bushing(s) below -321 °F (-196
°C).
a. Freeze bearing/bushing (1) in freezer at 0 °F
(-18 °C) or below for 3 hours or use carbon
dioxide (item 40, App F). Use carbon dioxide
(dry ice).
WARNING
Do not place heater near flammable
material or allow heater to contact
skin: severe burns can result. Wear
protective equipment. If injury occurs,
seek medical aid.
CAUTION
Do not heat ferrous parts over 350 °F
(177 °C) and nonferrous parts over 200
°F (93 °C).
b. If necessary, heat housing (2) mating bore.
Use heater.
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