89 TransAlp Manual Hydraulic Brake 1

15. HYDRAULIC BRAKE

SERN/ICE INFORMATION	15-1	BRAKE PAD/DISC	15-4
TROUBLESHOOTING	15-2	MASTER CYLINDER	15-7
BRAKE FLUID REPLACEMENT/		BRAKE CALIPER	15-9
AIR BLEEDING	15-3

SERVICE INFORMATION

GENERAL

•    Use DOT 3 or 4 brake fluid.

•    If the hydraulic system has been opened, or if the brakes feel spongy, the system must be bied.

•    Do not allow foreign materiał to enter the system when filling the reservoir.

•    Brake fluid will damage painted, plastic, and rubber parts. Whenever handling brake fluid, protect the painted, plastic and rubber parts by covering them with a shop towel. If fluid does get on these parts, wipe it off immediately with a clean shop towel.

•    Always check brake operation before riding the motorcycle.

A WARN ING

•    A contaminated brake disc or pad reduces stopping power. Discard contaminaled pads and clean a contaminaled disc with a high ąuality brake degreasing agent.

•    Inhaled asbestos fibers have been found to cause respiratory disease and cancer. Never use an air hose or dry brush to clean brake assemblies. Use an OSHA-approved vacuum cleaner or alternate method approved by OSHA designed to minimize the hazard

caused by airborne asbestos fibers.
SPECIFICATIONS		mm (in)
ITEM	STANDARD	SERVICE LIMIT
Disc thickness	4.5 (0.181	3.5 (0.14)
Disc runout		0.30 (0.012)
Master cylinder I.D.	12.700-12.743 (0.5000-0.5017)	12.76 (0.502)
Master piston O.D.	12.657-12.684 (0.4983-0.4994)	12.65 (0.498)
Caliper cylinder I.D.	30.230-30.280 (1.1902-1.1921)	30.29 (1.193)
Caliper piston O.D.	30.148-30.280 (1.1869-1.1921)	30.14 (1.187)
TOROUE
Bleed valve	5.5 N-m (0.55 kg-m, 4 ft-lb)
Caliper bolt	27 N-m (2.7 kg-m, 20 ft-lb)
Brake hose joint	35 N-m (3.5 kg-m, 25 ft-lb)
3rake hose joint nut	17 N-m (1.7 kg-m, 12 ft-lb)
Ca/iper bracket bolt	27 N-m (2.7 kg-m, 20 ft-lb)
Brake hose bolt	35 N-m (3.5 kg-m, 25 ft-lb)
Caliper pivot bolt	23 N-m (2.3 kg-m, 1 7 ft-lb)
TOOL
Special
j Snap ring pliers	07914-3230001

15-1