Daily inspection
RESTRICTED
2.
Daily
Inspection
3.
15 Hour and
15 Day
In-
spection
C.L. 1. 42-
26 Log
Book.
Page l.
2. Turn on the bombsight switch.
Run
sight gyro.
b. Check coincidence of telescope point-
ers.
C.
d.
Test search knob action.
Test P.D.l. action.
(See introduct-
огу
paragraph).
e.
Test action of telescope drive clutch.
f. Uncage
the gyro
and test action of
the
leveling
knobs.
Test automatic release.
h. Check altitude knob for correct funct-
loning and governing action
at high
and
low speeds for each position of
the
disc speed change lever.
1.
Check fit of sight stem and
locking
1. Check the bubble and telescope cross
hair lights. Check action of cross
hair lighting rheostat.
Test action of increased forward vis-
ion knobs.
1. Clean glass plates. Visually check
internal condition of units.
For stabilizer pre-flight see page 39.
1.
A stabilizer rotor bearing will be checked
exposed to the hot
sun or the unit is installed in an airplane which
has
two
been sitting in the hot sun
for a
period
of
or more.
2.
Do not oil excessively.
Turn on all
switches. Check operation of
all moving parts.
CHECK VOLTAGE EACH TIME SIGHT IS USED
CAUTION: Always run gyro about 10 minutes
and clean commutator, brushes af-
ter oiling rotor bearings.
15 HOUR INSPECTION:
Visual
inspection of case.
Check
wiring for frayed insulation, loose
terminals and
3.
connections.
Check
clutches
for tensions and operat-
IOn.
Ciean
if necessary:
a.
bombsight
- 18-24 Ibs.
b. Auto-pilot - 10-12
Ibs.
Drift clutch - 8-8 lbs.
4. Check for oiling and corrosion. If gyro
a.
j.
the
bubble
and
telescope
k.
for
oi!
daily
if
the
unit
is
hours
i.
2.
144