Suzuki LT-4WD 1990, Service Manual, Page: 28 / 508

P E R I O D I C M A I NT E N A N C E A N D TU N E-U P P R O C E DU R E S 2- 1 4
Co nsidering the d a nger to w h i ch such tra p ped a i r
ex poses the mach i ne a n d rider, i t i s essent i a l th at,
after remou nt i ng the brake a nd resto r i ng the brake
syste m to the norma l cond ition, the brake f l u id
c i rcu it be p u rged of a i r i n the fo l l ow i ng m a n n e r :
•
F i l l u p t h e master cy l i nder reservoi r t o t h e
u pper e n d o f t h e i nspect i o n wi ndow. R e p l ace
the reservo i r cap to p revent entry of d i rt.
•
Attach a p i pe to the b l eeder va lve, and i n sert the
other end of the p i pe i nto a recepta c l e co nta i n­
i ng a s ma l l a mo u nt of brake f l u i d . M ake s u re
that the end of the p i pe is kept s u b merged i n the
brake f l u id . This wi l l keep air fro m be i ng d rawn
back in the b rake system d u r i ng the b l eed i ng
operation .
•
S q u eeze and re l ease the brake l ever seve ra l ti mes
in rap i d succession, and sq u eeze the l ever f u l l y
without rel easi ng it. Loose n the b l eed er va lve
by tu r n i ng it a q u a rter of a turn o r so that
brake f l u id ru ns i nto the recepta c l e; th is w i l l
rem ove the te nsion of the brake l eve r cau s i ng it
to touch th e h a n d l eba rs g r i p . Then, c l ose the
va lve, p u m p a n d sq u eeze the l ever, a n d open the
va lve. R epeat th is p rocess u nt i l the fl u id f l owi ng
i nto the recepta c l e no l o nger co nta i n s a i r b u b­
b l es.
N OT E :
Replenish the brake fluid reservoir as neces­
sary while bleeding the brake system.
Make sure that there is always some fluid
visible in the reservoir.
BRAKE HOSE
Inspect Every 1 000 km (600 miles
)
Replace brake hose Every
4
years
•
Remove the front fender.
(
Refer
to page 7- 1 . )
•
Check the b rake h ose fo r leakage, c rack, wear
and d a m age etc.
•
C l ose the b l eeder va l ve, a n d d isco n n ect the p i pe.
F i l l the reservo i r to the u ppe r of i nspect i o n
w i nd ow.
B l eeder va lve
Tighten i ng torq u e
CA UT I O N :
6 - 9 N · m
(
0.6 - 0.9 kg- m
)
4 . 5 - 6 . 5 l b-ft
Handle the brake fluid with care: the fluid
reacts chemically with paint, plastics, rubber
materials, etc.