Raytheon Beech Baron E55 - Page 463

Raytheon
Aircraft
Company
BARON
55
AND
58
SHOP
MANUAL
CLUTCH
TEST
Check
the
clutch
amperage.
The clutch should draw
approximately
1.7
amps.
A
poor ground
could be
the
cause
of
low
voltage
or
amperage.
If
the
voltage
or
amperage
is
incorrect,
check that
there
is
a
good
ground.
If
clutch
I
engagement
is
erratic,
use a
feeler
gage
to
check
the
air
gap.
A
gap
of
0.016
to
0.030 in,
is
required
for
proper
engagement.
If
a
faulty pulley
(clutch)
bearing
is
suspected,
remove
the
belt
and
check for
roughness.
Disengage
the
clutch
and
turn
the
pulley
by
hand. If
there is
roughness, replace
the
rotor
pulley
and
clutch front
assembly
or
bearing
set.
UNUSUAL
NOISE
If there is
unusual
noise
in
the
compressor,
check the
following:
I
a.
Loose
belt;
tension
75
to
90
Ibs.
b. Broken
bracket and/or
compressor
mounting.
c.
Missing,
broken
or
loose
bolt
at
the
compressor.
d. Low
refrigerant
level;
restore
the
proper
refrigerant
level.
AIR
CONDITIONING
FUNCTIONAL
TEST
With the
engine
running
at
1,000
rpm
and the
system
on,
observe
the
sight glass.
If
the
refrigerant
appears
milky
or
bubbles
appear,
charge
the
system.
Refer
to
the CHARGING
THE
AIR
CONDITIONING
SYSTEM
procedure
in
Section
2.
Check
the
system
for
leaks
using
a
flameless
leak
detector.
COMPRESSOR
EEL
T
REMO
VAL
a.
Remove the
left
engine
cowling
to
gain
access
to
the
compressor
belt.
b.
Remove the
propeller.
Refer
to
PROPELLERS
in
Section
7.
c.
Loosen the
adjustment
bolt
on
the idler
pulley
bracket
to
remove
tension
on
the
compressor
belt.
d. Remove the
compressor
belt.
COMPRESSOR
EEL T
INS
TA LLA
TION
a.
Install the
compressor
belt
over
the
compressor
pulley (1),
idler
pulley
(6)
and
drive
pulley
(5) (refer
to
Figure
7).
b.
Tighten
the
adjustment
bolt
on
the
idler
pulley
bracket
to increase
tension
on
the
compressor
belt.
Refer
to
the
COMPRESSOR
BELT
TENSION
ADJUSTMENT
procedure.
c.
Install the
propeller.
Refer
to
PROPELLERS
in
Section
7.
d.
Install the
left
engine
cowling.
E?a
SECTION
10
25