OVERHAUL OF GEARBOX ASSEMBLY.
See Table 2-3, Fabricated Tools and
Equipment, for fabricating dimensions
and specifications for all FT-21XXX
numbers referenced in the text.
Install gearbox assembly in mount fix-ture,
fabricated tool (FT-21343, Figure 8-18), for dis-assembly
Drain gearbox cavity of excess oil
Remove retaining ring (1, Figure8-19), key
washer (2), preformed packing (3), and oil sediment
strainer (4) from gearbox. Discard packing.
Remove retaining ring (5), key washer (6),
preformed packing (7), oil pressure relief valve (8), and
preformed packing (9). Discard packings.
Remove all external oil tubes, plugs, and
fittings. Discard preformed packings.
Remove all external safety wire.
Remove bolts (1, Figure 8-20), washers (2),
and gently pry off starter mounting cover (3). Discard
preformed packing (4) Using arbor press, remove seal
(5) from starter mounting cover Discard seal.
Remove starter gear assembly (6), spring
washer (7), and bearing shim (8). Discard spring
DO NOT remove pipe plug from spur
manufactured and Is not designed to be
removed. If removed, damage to spur
gear or pipe plug may occur.
Using puller set, remove bearings (9) and
(10) and pin (11) from starter spur gear (12) Discard.
washers (11) that secure oil pump (12) to gearbox.
(11) Using small nylon punch, tap out oil pump
from starter mounting side of gearbox. Remove
preformed packing (13, 13.1, and 13.2).
(12) Remove union (15), preformed packing
(15.1), oil filter (16), oil filter adapter (17) and washer
8-44 Change 4