Buell 2009 XB Series, Руководство по обслуживанию

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1. Ridge on rubber boot
2. Circlip
3. Groove on piston
4. Primary seal of piston
5. Spring
Figure 2-52. Front Master Cylinder Piston Assembly
Brake Hand Lever
1. See Figure 2-50 . Lubricate pivot bolt (17) with LOCTITE
ANTI-SEIZE.
2. Align hole in brake hand lever (8) with hole in hand lever
pivot. Install pivot bolt (17) through top of hand lever pivot
and thread nut on pivot bolt. On XB9SX, XB12XT and
XB12X models, tighten nut to 39-48 in-lbs (4.4-5.4 Nm).
On all other models, tighten nut to 80-120 in-lbs (9-13.5
Nm).
MASTER CYLINDER INSTALLATION
1. See Figure 2-50 . Install front brake switch (12).
a. Install brake switch (12) with switch fastener (10) and
tighten to 7-10 in-lbs (0.8-1 Nm).
b. Connect brake switch terminal (13) to brake switch
(12).
c. Test switch action. Tang on switch must release when
hand lever is moved.
2. Install master cylinder to handlebar by fastening clamp
with fasteners. Position for rider posture and tighten to
80-90 in-lbs (9-10 Nm).
Avoid leakage. Be sure gaskets, banjo bolt(s), brake line
and master cylinder bore are clean and undamaged before
assembly. (00322a)
3. See Figure 2-50 . Connect brake line to master cylinder
using two new copper washers (16) and banjo bolt (14)
(metric) and tighten to 16-20 ft-lbs (22-27 Nm).
4. See Figure 2-53 . Verify brake switch wires are tight.
5. See Figure 2-54 . Remove two master cylinder cover
screws, cover and cover gasket.
D.O.T. 4 brake fluid will damage painted and body panel
surfaces it comes in contact with. Always use caution and
protect surfaces from spills whenever brake work is per-
formed. Failure to comply can result in cosmetic damage.
(00239b)
6. Protect body work from brake fluid.
7. With the master cylinder in a level position, add D.O.T. 4
BRAKE FLUID. Bring fluid level to within 1/8 in. (3.2 mm)
of molded boss inside front master cylinder reservoir.
A plugged or covered relief port can cause brake drag or
lock-up, which could lead to loss of control, resulting in
death or serious injury. (00288a)
8. Verify proper operation of the master cylinder relief port.
Actuate the brake lever with the reservoir cover removed.
A slight spurt of fluid will break the surface if all internal
components are working properly.
9. Bleed brake system. See 2.28 DEFLECTORS:
XB9SX/XB12X/XB12XT/XB12XP .
10. See Figure 2-50 . Attach master cylinder cover (2) and
cover gasket (3). Tighten two cover fasteners (1) to 9-13
in-lbs (1.0-1.5 Nm).
After repairing the brake system, test brakes at low speed.
If brakes are not operating properly, testing at high speeds
can cause loss of control, which could result in death or
serious injury. (00289a)
Be sure that all lights and switches operate properly before
operating motorcycle. Low visibility of rider can result in
death or serious injury. (00316a)
11. Turn ignition key switch to ON. Apply brake hand lever to
test brake lamp operation. Turn ignition key switch to OFF.
12. On XB9SX, XB12XT and XB12X models, install right
d e f l e c t o r. S e e 2 . 2 8 D E F L E C TO R S :
XB9SX/XB12X/XB12XT/XB12XP .
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2-50 2009 XB Service: Chassis