A
A
I
I
R
R
P
P
L
L
A
A
N
N
E
E
T
T
E
E
C
C
H
H
N
N
I
I
C
C
A
A
L
L
D
D
E
E
S
S
C
C
R
R
I
I
P
P
T
T
I
I
O
O
N
N
,
,
O
O
P
P
E
E
R
R
A
A
T
T
I
I
N
N
G
G
,
,
M
M
A
A
I
I
N
N
T
T
E
E
N
N
A
A
N
N
C
C
E
E
A
A
N
N
D
D
R
R
E
E
P
P
A
A
I
I
R
R
M
M
A
A
N
N
U
U
A
A
L
L
3-21
Document No.:
EV97SLNOEN
Date of Issue:
02/2008
Revision:
-
3.5 Permissible Tolerances
The following table indicates the permissible tolerances for critical parts of the airplane. These
values should not be exceeded in operation.
It is expected that an operator will take steps if excessive plays are found on/in part not listed
below.
System
Procedure to find a play
Procedure to
remedy a play
Max.
product.
play
Max.
operat.
play
Ailerons
control
system
Block ailerons up to the wing and
move the control stick to the left and
right
Check condition of
bearings and replace
if needed
0.08 in
2 mm
0.2 in
5 mm
Elevator
control
system
Block elevator up to the stabilizer,
pull and push the control
Check condition of
bearings and replace
if needed
0.08 in
2 mm
0.2 in
5 mm
Flaps
control
system
Set the flaps in all position by
degrees and then handle the flap
trailing edge near the flap root, move
the trailing edge up/downward to find
possible plays
Check the part with
oval hole for the
control pin in the
flap root rib and
replace the worn-out
pin or the part with
oval hole.
0.08 in
2 mm
0.2 in
5 mm
Trim tab
control
system
Block the tab up to the elevator,
move the trim tab control lever to
find a play in a control system
Check cable tension
0.08 in
2 mm
0.2 in
5 mm
Wing-
Fuselage
attachment
Move the wing tip and note play in
wing suspensions (play is measured
on the wing tip)
Check wing
suspensions, replace
pins
0.08 in
2 mm
0.16 in
4 mm
HTU
attachment
Move the stabilizer tip forward-
rearward
Replace bearings in
suspension points
and bearings in
control system
0
0.08 in
2 mm
Rudder
hinges
Lift the rudder
Change swivel
bearing or insert a
washer under the
lower hinge pin
0.04 in
1 mm
0.08 in
2 mm
Nose
wheel
Push the rear part of the fuselage
down (use a weight) to lift the
nosewheel, then move the wheel
forward- rearward
Remove the wheel,
remove the rim and
tire and replace the
bearings
0.04 in
1 mm
0.12 in
3 mm
Main
landing
gear
Lift the wing tip (hold the wing under
the main spar) to lift a main leg, then
move the wheel forward-rearward
and note play in bearings or leg
attachment
Check the leg
attachment, wheels
attachment, replace
the bearings, if
necessary
0.04 in
1 mm
0.12 in
3 mm