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 (b) Before replacing the plunger as
(a)
Remove coupling half from
above, carefully inspect plunger cylinder for scoring. If
spindle (10), then lift key out of spindle.
not scored, replace all seven plungers in a similar
(b)
Remove six nuts (11) and
manner. Replace a pump with scored cylinders.
lockwashers securing drive and cover, then remove
(c) Install male half of the floating
cover.
ring, then reassemble pump in reverse of disassembly.
(c) Remove the encased seal (9)
(6) Install the pump by reversing the
from cover.
procedure in step (1) above.
(d) Remove bearings (8 and 3) from
e. Control Differential.
the housing.
(1) Lubricate in accordance with LO 55-
(e) Install a new seal in cover, after
1925-204-12-3.
dipping seal in oil and wiping away excess, then
(2) Remove and disassemble components
applying a light coating of sealing compound to face of
only so far as necessary to replace bearings, bushings,
the case before pressing it into the cover.
(f) Be sure that replacement bearings
(8 and 3) are lubricated in accordance with LO 55-1925-
04-12-3, then installed in housing.
NOTE
(g) Replace cover and secure with six
Install new gaskets to replace those
lockwashers and nuts (11).
removed at disassembly.
(4)
Replace opposite end bearings as
follows:
5-98. Steering Console, Hand Pump, and Valves
(a) Remove six nuts (11), spindle nut
a. General. The steering console (stand) located
(13), and cover from housing.
in pilothouse, houses the hand hydraulic pump, valves,
(b) Remove bearings (8 and 3).
and pipe fittings necessary for control of the system, and
(c)
Be sure that bearings are
acts as a mount for the steering wheel. The steering
lubricated in accordance with LO 55-1925-204-12-3.
wheel is equipped with a clutch latch for disengagement
Install new bearings, then replace cover and secure with
of the wheel when control of the steering is turned over
six lockwashers and nuts (11).
to aft steering station, or the trick wheel in the
(d) Install nut (13) on spindle (10).
engineroom.
(5) Replace as follows:
b. Hand Hydraulic Pump. The hand hydraulic
(a) Dismantle pump as in step (3)
pump provides a means of developing hydraulic
above, then remove male and female halves of the
pressure manually for operation of the steering gear
floating ring (5). Do this by lifting floating ring from
rams should the electro-hydraulic unit fail.
pump housing, then driving pin (4) out of plunger (7) and
(1) Removal.
lift plunger from lower half of floating ring (5). J Replace
(a) Close changeover globe valve (3, fig.
the plunger with a new one then install pin (4).
(b) Disconnect hydraulic piping from pump.
5-179
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