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Black plate (504,1)
北米Model "A1220BE-A" EDITED: 2014/ 8/ 28
11-20
Maintenance and service/Brake booster
Brake booster
If the brake booster does not operate as
described in the following, have it checked
by your SUBARU dealer.
1. With the ignition switch in the “LOCK”
(off) position, depress the brake pedal
several times, applying the same pedal
force each time. The distance the pedal
travels should not vary.
2. With the brake pedal depressed, start
the hybrid system. The pedal should move
slightly down to the floor.
3. With the brake pedal depressed, stop
the hybrid system and keep the pedal
depresse d for 30 seconds. Th e ped al
height should not change.
4. Start the hybrid system again and run
for approximately one minute then turn it
off. Depress the brake pedal several times
to check the brake booster. The brake
booster operates properly if the pedal
stroke decreases with each depression.
Brake pedal
Check the brake pedal free play and
reserve distance according to the main-
tenance schedule in the “Warranty and
Maintenance Booklet”.
& Checking the brake pedal
free play
1) 0.02 – 0.11 in (0.5 – 2.7 mm)
Turn the ignition switch to the “LOCK” (off)
position and firmly depress the brake
pedal several times. Lightly pull the brake
pedal up with one finger to check the free
play with a force of less than 2 lbf (10 N, 1
kgf).
If the fre e play is not within proper
specification, contact your SUBARU deal-
er.
& Checking the brake pedal
reserve distance
1) More than 2.56 in (65 mm)
Depress the pedal with a force of approxi-
mately 66 lbf (294 N, 30 kgf) and measure
the distance between the upper surface of
the pedal pad and the floor.
When the measurement is smaller than
the specification, or when the pedal does
not operate smoothly, contact with your
SUBARU dealer.
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