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155
2
Master cylinder body
3
Floater return
spring
4
Floater
5
Lip seal
6
Floater stop washer
7
Scraper ring
8
Scraper
rin~
retainer
9
Bush
10
Connector
11
Spindle
12
Circlip
156
90
678
4
General procedure for dismantling
components from the braking circuit
Before any parI is removed
.
clean II thoroughly on
the outside. Carefully plug up all pipe ends to pre-
vent the entrance 01 foreign matter. After the parts
have been removed, clean them throughly in trichlo-
roethylene (metal parts) and the rubber parts With
the specified liquid, Ensure the rubber gaskets and
seals do not gel
In
contact With trichyoroethylene.
Handle all delicate components with care
Aller cleaning. dry all parts With clean rags and moi-
sten the cylinder walls and plungers With brake fluid
to prevent oxidation.
5
Master cylinder for the right front brake (fig. 156)
The right front brake cylinder is bolted on the
LlH
side of the frame.
To acceed to
it
·
•
raise the seat using special lever ("A» in fig. 20);
•
disconnect
the
rubber strap securing the fuel tank
at the rear;
II
close
taps.
disconnect pipes, and remove the
lank,
•
check floater-lever end clearance which should
be 0.05 --' - - 0.15 mm, (.00197
-+
.0059").
If not, adjust
(See
section 2.24).
Periodically grease scraper 7 and floater shank 4.
Never use minerai ali or grease.
6
Master cylinder for front feft and
rear brakes (fig. 159)
It is centrally located on the right hand and access
to
it is by removing the right cover. Ensure
there
is
0.05 --' - - 0.15 mm (.OOI97 .;.. .0058") clearance between
floater and lever end. If not, adjust as described in
section 2.25.
Periodically lubricate scraper 9 and floater stem 5
but do not use mineral oil or grease.
7
Overhauling and replacement of master
cylinder components· Tools to be used for the
right front cylinder (fig. 156)
If the master cylinder operation is incorrect (fluid
leakage at lever side, decreased braking ability etc.)
it is necessary. to replace gaskets «5» as follows:
1
disconnect the fluid delivery pipe from master cy-
linder to right front caliper;
2
drain fluid from reservoir;
3
disconnect pipe from cylinder to right front ca-
liper;
4
plug up these pipes;
5
remove master cylinder from frame;
6
remove control lever «2» from pump body after
removing circlip "13,, and withdraWing pin «12»,
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