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
4-23
Document No.:
EV97SLNOEN
Date of Issue:
02/2008
Revision:
-
4.10 Brake system efficiency adjustment
4.10.1 Brake pad replacement
Brake pad replacement is only performed when a pad is worn-out.
CAUTION
Due to the possibility of brake fluid leaking, it is advisable not to loosen the hose cup nut during
brake pad removal. In the case of a leak in the brake system, filling and bleeding is necessary.
Brake pad replacement procedure
1. Jack the airplane
2. Remove the cotter pin, unscrew the slotted nut M16, remove the washer from the axle
3. Bend small tabs on the 3 washers and unscrew the M6 screws connecting the brake disc to the
wheel rim
4. Remove the wheel and the distance ring from the axle
5. Take the brake disc off (leave the brake on a main leg)
6. Remove the cotter pins, shift the pins out and remove the brake pads
7. Mount a new brake pad, secure the pins with cotter pins (diam.
2mm, length14mm) (part.No.:
039 300)
8. Put the brake disc on the wheel
9. Put the distance ring and the wheel on the axle (adjust the distance ring between bearings)
10. Set tab washers (6x2, Nom. 038160) on the screws, apply Loctite and attach the brake disc to
the inner part of the rim. Bend the tabs of the washers to secure the screw heads.
11. Put the washer on the axle, tighten the slotted nut and secure with a cotter pin
List of parts necessary for Brake pad replacement procedure:
1. Brake pads
4 pcs
Nom.
765 210
2. Cotter pin
4 pcs
2x14mm
Czech Stand.
021781.04
Nom.
039 300
3. Cotter pin
2 pcs
x40mm
Czech Stand.
021781.04
NOM.
040 350
4. Washer
6 pcs
6x2mm
Works Stand.
3288.2
Nom.
038 160
5. LOCTITE (e.g. 638) to secure the screws
CAUTION
New brake pads require some running-in period to achieve maximum braking efficiency.
This caution should be kept in mind considering safety of operation.
03/2011
2