TM 1-1520-238-23
Change 5
5-222.3
5.49A.
MAIN ROTOR LOWER SHOE SCISSOR ATTACH SLEEVE BEARINGS REPLACEMENT – continued
Sleeve Bearing and Mating Bore Tolerances
Bushing Part Number
Mating Bore Size (inches)
Bushing OD (inches)
Maximum Hydraulic Ram
Pressure (pounds)
HS4617-11-20
(Basic Assembly)
0.8755
0.8760
0.8762
0.8772
439
HS5444-0005
(First Oversize)
0.8906
0.8911
0.8913
0.8923
446
HS5444-0006
(Second Oversize)
0.9062
0.9067
0.9069
0.9079
454
5.49A.3. Removal
CAUTION
Do not exceed maximum ram pressure
stated in Sleeve Bearing and Mating Bore
Tolerance table at beginning of task.
Housing may be damaged.
a. Remove scissor attach sleeve bearing (1)
from main rotor head lower shoe (2). Use
bearing removal/installation tool.
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M04-5202-1
1
2
M04-5202-2
M04-5202-3
1
2
BEARING REMOVAL/
INSTALLATION TOOL
