TM 10-3930-641-34-1
FUEL TRANSFER PUMP SPECIFICATIONS
(Sheet 1 of 1)
(1) Torque for plug of safety
bypass valve .................................................... 27 + 3 lb. ft. (37 4 N m)
6N1069 Spring for safety bypass valve:
Length under test force ...............................................1.337 in. 33.96 mm)
Test force ...............................................5.85 .29 lb. (2.654 0.132 kg)
Free length after test ..................................................2.107 in. (53.52 mm)
Outside diameter ...........................................................406 in. (10.31 mm)
Pressure of fuel to open
the valve .................................................... 30 psi (2.11 kg/cm2) (207 kPa)
(2)
Diameter of the
shaft................................................ 4914 .0003 in. (12.482 0.008 mm)
Bore in the gear ............................. .4926 + .0003 in. (12.512 0.008 mm)
Clearance between shaft and
gear (new) .........................................006 to .0018 in. (0.015 to 0.046 mm)
(3)
Depth of the bore in the body
(new)................................................4995 .0003 in. (12.687 0.008 mm)
(4)
Clearance between the gears and
the cover (new).......................................001 to .002 in. (0.02 to 0.05 mm)
(5)
Diameter of the
shaft ................................................4937 .0001 in. (12.540 0.003 mm)
Bore in the bearings
(both) ............................................. .4953 .0005 in. (12.581 0.013 mm)
Maximum permissible clearance between
bearings and shaft (worn)................................................003 in. (0.08 mm)
NOTE
The shaft must rotate freely when the cover bolts are tight.
Torque for nut ...................................................... 22 5 lb. ft. (30 7 N m)
(6)
TA098844
2-114
