TM 5-4310-278-15
1.
Repair and Replacement Standards
Minimum Allow-
Desired
Mfgr's dimensions &
able wear
tolerances in inches
clearances
and clear-
Component
ance
Minimum
Maximum
Minimum
Maximum
Rotor to end plate
0.003
0.004
Gear end
0.003
0.004
Drive end
0.008
0.005
0.008
0.005
0.004
0.7873
0.7877
Rotor shaft
0.937
0.938
Bearing seat
Rotor lobe to housing:
0.008
0.006
0.008
0.006
inlet
0.002
Outlet
0.004
0.004
0.002
Rotor lobe clearance:
Leading edge
0.009
0.007
0.007
0.009
Trailing edge
0.005
0.007
0.007
0.005
Timing gear backlash
0.0015
0.0015
Timing gear bore
0.7870
0.7873
0.0003
4-2