Mooney M20B - Fuel Pump Removal and Installation; Fuel Selector Valve Removal and Installation; Fuel Cell Field Repair

C. REMOVAL
AM3 INSTALLATION
OF
FUEL
PUIWPS
~taz
1.
Electric
Fuel
Pump.
a.
Remove
the
electrical
lead
at
the
knife
disconnect.
b.
Disconnect the inlet and
outlet
fuel
lines.
c.
Remove
two
fuel
pump
mounting
bolts
and
carefully
remove
pump.
d.
Hold the
pump
manually
and
turn the
cover
in
a counterclockwise direction
and
remove core.
e..
Carefully
remove
the
sceen
and
rinse
it in
gasolir,~
or
kerosene
to
thor-
oughly
dean
it.
If
screen
is
badly
distored
or
collapsed,
renlace
it.
f.
Clean
fuel
pump
cover
in
the
same
manner
as
in
Step
e.
2.
Engine
Driven
Fuel
Pump.
Refer
to
the
appropriate
Lycoming
overhaul
manual
;or
instntctions
in removal
and.assembly
of
the
engine
driven
fuel
pump.
D.
REMOVAL
AND
INSTALLATION
OF
FUEL
SELEi3TR
VALVE
1.
Removal.
a
Remove
fuel
selector
valve
handle
and
pointer
(6459).
~L’OTE:.
Use
caution
when
rerr~ving
pointer-plate
as
this
plate
releases
the
tension
of;the
detept
pin
and
spring.
b.
Remove
detent
mechanism
(6121)
carefully.
c.
Remove
right
and
left fuel
inlet
lines
at
valve
body.
d.
Remove
fuel
cutlet
line
at
valve
body.
e..
Remove
four
;crews
holding
fuelvalve
as~emblyto
moun~ingplate.
i6131-3).
Fuel
valve
assembly
can
now
be
removed
f.
See
Figure20for
illustration of
fuel
valve
assembly.
2.
Installatioa
a.
Fuel
valve installation
is
es~ntially
the
reverse
of
removal.
b.
Imporliant:
Install
valve
handle
and
pointer
(6459)
so
that
pointer
will
align
with
valve
core
inlet
hole.
E.
FIELD
REPAIR
OF FUEL
CELLS
1.
General..
This
instruction
establishes the
procedure
to be used
in
repairing
the
Mooney
MooneyM2OB
inte&ral
fuel tanb~ Tank
repairs
should
not
be
attempted
until
these
instructions
are
read.
´•B
2.
Approved
Materials.
a.
Sealants.
(Note:
Sealant
must
meet
the U. S. Government
specifications
as
indicated.)
PR
1221-A-H
or
A-2
(MIPrS-7502B,
Class
A)
Brush
Coat
PR
1221-B-1~
or
BL2,
(MILS-7502B,
Class
B)
Filleting
Compound
PR
1321-B-1~
or
B-2
(MIES-8784A,
Class
B)
IiemovabfeAccess Pard
b.
PR 1005-L
(MILS-4383B)
Protecting~
.Coating
c.
Gloves-Polyethylene,
d
Approved
Metal
Cl~aning
Solvents.
1.
Turco 657
Wipe
Sd
2.
The
following
shop
mixed
cleaner
may
be used
as an
alternate.
Aromatic
Petroleum
50
Percent
by
Volume
(Specificati~n
TT-N97
Type
1,
Grade
B)
Ethyl
Acet~te
20
Percent
by
Volume
(Speclfication
TT-EfI51)
Methylethyl
Keytone
20
Percent
by
Volume´•
’(Specification
nr-M261)
’Isopropyl
Alcohol
10
Percentby
Volume´•
(Specification
MIEF-5566)
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OLDWILLWAYNE