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4-4 [M2A0]
BRAKES
2. Master Cylinder
A: FUNCTION
1) A sealed reservoir tank is adopted to extend the
service life of the brake fluid.
2) The fluid level indicator is built into the reservoir tank
for easy and correct monitoring of the fluid level when
adding brake fluid.
. ,y . ..
1 . BRAKE FLUID LEVEL INDICATOR
Cap 7
Diaphragm
UP SIDE
1
Max. evel line
Float
Approx . 30 mm (1 .18 in)
Reservoir
tank
Warning light
actuation point
Reed switch
Magnet
84-1449
Fig . 4
Warning light
r------ -------
1
1
Reed
;
1
i
switch
1
1
I
1
1
7/
i
~
®
1
i
1
N
1
1
'
i
1
.
1
1
1
1
'
Permanent;
magnet
1
---------------------
84-351
Fig. 5
Under normal conditions, the float remains above the
reed switch, and the magnetic force from the perma-
nent magnet in the float is unable to activate it . There-
fore, the circuit is kept open, and the warning light
remains off . The float lowers as the brake fluid level
lowers, and if it falls below the specified fluid level
[approx. 30 mm (1 .18 in) below the MAX level line], the
reed switch will be activated by the permanent magnet,
closing the circuit . In this event, the warning light comes
on and warns the driver of a reduction of the brake fluid
level .
However, the lamp may be lighted momentarily even
when the brake fluid surface is still above the specified
level, if the vehicle body tilts or swings largely.
4
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Troubleshooting
