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 TM 55-1905-219-14-8
4-7.10. PRESSURE REGULATOR AND OPERATING CYLINDER - MAINTENANCE
INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
REPAIR (Cont)
3. Install.
Install new
seals using an
arbor press,
making sure the
pressure is
applied only to
the outer dia-
meter of the
seal. If the
seal chips, or
is off-center
when force is
applied, it
will be damaged
beyond repair.
If an arbor
press is not
available, the
seals may be
replaced by
mounting the
pump housing
in a lathe
chuck, and
pressing the
seal in with
the lathe tail
spindle.
d. Impeller
Install.
(19)
e. Impeller
Install.
a. When replac-
nut (18)
ing the im-
peller lock-
nut, use a
wrench and
a strap
wrench as
illustrated
and torque
the nut to
60 ft pounds
(54.23 Nm).
4-254
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