‘
VANE AXIAL COOLING FAN ASSEMBLIES REPAIR (CONTINUED)
INSPECTION AND REPAIR
NOTE
A
B
C
D
Gears in Joy assembly are a matched set (Gear Set
10925646). If one gear requires replacement both must
be replaced.
Check gear shaft (16) for broken, missing or chipped gear teeth.
E
Replace gear if defective.
F
Measure gear shaft (16) diameter at (A). Replace gear shaft (16) if
diameter (A) is not 1.1803-1.1808 inches (within ±0.0025 inch).
G
Measure gear shaft (16) diameter at (B). Replace gear shaft (16) if
diameter is not 1.1807-1.1811 inches (within ±0.0025 inch).
H
Check concentricity of shaft (16) surface at (A) with surface (B) and
spline surface (C).
Refer to TM 9-214 for inspection of bearing (21).
Measure outer diameter (OD) at (D) of bearing (21). Replace bearing (21)
if OD (D) is not 2.8342-2.8346 inches.
Measure internal diameter (ID) (E) of bearing (21). ID should be 1.1807-
1.1811 inch.
Measure fit of bearing (21) to gear shaft (16). Fit should be 0.0001T-
0.0007L.
TA309754
5-21
TM 9-2350-267-34
