(b) Inspect for damaged threads in
remove the oil scavenge pump as an assembly (16, 17,
tapped ejection holes in retainer mounting flange.
and 18). Discard packing (17). Remove shaft (18) if
(c) Perform
dimensional
and
inspection proves it to be damaged and it must be
parallelism inspections in accordance with figure 3-14.
replaced.
(7) Straighten key (20) and using adapter,
remove retainer nut (19) and key (20).
(8) Remove screws (211 and washers (22)
and remove retainer (23) with stator of seal (24)
installed. Remove rotor of seal from gearshaft and use
arbor press to press stator of seal (24) from retainer
(23).
(9) Straighten key (26) and using adapter,
remove nut (25) and key (26) from gear shaft.
(10) Remove screws (27) and washers (28)
and remove retainer (29) with stator of seal (30)
installed. Remove rotor of seal from gearshaft and use
arbor press to press stator of seal from retainer.
(11) Remove lock rings (31) and studs (32)
from housing assembly (33) only if inspection reveals
damage necessitating replacement.
3-12. Cleaning, Inspection and Repair
a. Cleaning and Inspection.
(1) Clean removed parts using dry cleaning
solvent (Fed Spec P-D-680 or equivalent) and a soft
bristle brush to facilitate removal of caked grease.
(2) Inspect all metallic parts for corrosion,
wear, nicks, scratches, burrs and cracks.
(3) Inspect all threaded parts for worn,
crossed. -tripped, or peened threads. Make certain all
threaded parts turn freely on mating parts and do not
bind.
(4) Inspect bearing oil jets (1, fig. 3-13) as
Figure 3-14. Inspection of retainer.
follows:
(a) Check to ensure that oil tube and
(6) Inspect bearing retainer nuts (7, 19, 25,
restrictor are unobstructed.
(b) Inspect for wear or damage to
slots, and for evidence of scratching, galling, scoring, or
nozzle installation or oil inlet tube attachment threads.
binding on mating surfaces.
(c) Check
security
of
brazed
(7) Inspect seals (12, 24, 30) as follows:
attachment of restrictor to oil tube and oil tube to oil jet
(a) Visually inspect rotor for nicks, cuts,
body. Check diameter of restrictor hole. Restrictor hole
or scratches.
shall be 0.035 to 0.040 inch diameter.
(b) Visually inspect seal for distortion,
(5) Visually inspect retainers (11, 23, 29) as
wear, or evidence of operational leakage.
follows:
(c) Perform dimensional, parallelism
(a) Inspect for physical damage on
and finish inspection in accordance with figure 3-15.
exterior surfaces and for scratching, galling, or other
defects on sealing surfaces.
3-28
