Cirrus SR20 Maintenance Manual page 7

C I R R U S
A I R P L A N E M A I N T E N A N C E M A N U A L
O-Ring Lubricant
Silicon Spray
Mallet (plastic or wooden)
(b) If removed, install brake lining.
(c) If anchor bolts were removed, install anchor bolts using arbor press and a holding fixture.
Install washers and nuts. Torque nuts to 90 in-lb (10 Nm).
(d) Install inlet fitting and torque to 40 - 50 in-lb (4.5 - 5.6 Nm).
Note:
(e) Install bleeder seat, screw, and cap. Torque to 40 - 50 in-lb (4.5 - 5.6 Nm).
(f) Serials 1601 thru 2240, 1005 thru 1600 after SB2X-32-13: Install friction springs on pis-
tons.
(g) Install O-ring(s) on piston(s) and lubricate.
(h) Place piston(s) in cylinder bore(s) and verify piston(s) and O-ring(s) are in proper align-
ment
(i) Press piston(s) into cylinder bore(s) by hand. If required, tap the piston(s) squarely with a
wooden or plastic mallet while rotating piston(s).
CAUTION:
(j) Install pressure plate lining facing away from piston(s) by sliding over anchor bolts. Verify
pressure plate slides freely over anchor bolts.
(k) Serials 1593 thru 2240, 1005 thru 1592 after SB2X-32-14: Install brake temperature indi-
cator.
(4) Installation - Brake Assembly
(a) Acquire necessary tools, equipment, and supplies.
Silicon Spray
(b) If torque plate installation is required:
1
2
Note:
EFFECTIVITY:
All
Description P/N or Spec.
Dow Corning
55 O-Ring
Lubricant
-
-
(Refer to 32-42)
Cap fittings if brake is not being immediately installed on the airplane.
Care should be exercised to prevent over tightening the inlet fitting which
could result in cracking of cylinder casting. Finger tighten the inlet fitting,
rotate one to two turns to obtain proper installation orientation, and torque to
specified value.
(Refer to 32-42)
Description P/N or Spec.
-
Orient and install torque plate on axle flange with bolts, nuts, and washers. Torque
to 160 - 190 in-lb (18 - 21 Nm).
Install wheel assembly. (Refer to 32-41)
Dry film lubricants such as silicone spray should be applied to anchor bolts
and torque plate bushings to assist sliding motion. Exercise care to verify
that linings do not become contaminated with fluid or lubricant. For best ser-
vice life, cylinders must slide freely in torque plate.
Supplier
Dow Chemical Co.
Midland, Michigan 48674
989-636-1000
Any Source
Any Source
Supplier
Any Source
M O D E L S R 2 0
Purpose
Lubrication.
Lubrication.
Piston installation.
Purpose
Lubrication.
32-42
Page 7
15 Dec 2014