6. Braking force
[NOTICE]
Detach the connector of the inter-axle differential
lock solenoid valve inside the pneumatic unit in the
right center of the vehicle beforehand.
The braking force to be checked is the difference
between the measured value when the brake pedal
is depressed and the one when the pedal is not
depressed.
After adjustment, return the connector for the
inter-axle differential lock solenoid valve to the
original position.
6.1 Parking brake force
1. Must be 20% of the vehicle weight (including 1
person aboard) at least.
Check that the front and rear braking forces are
80.9 kN {8259 kgf} (18208 lbf) or more.
6.2 Service brake force
1. The difference in the braking force between the
right and left wheels must be 6% of the axle load
or less.
Check that it is not greater than 5.9 kN {608 kgf}
(1340 lbf) (according to the type approval testing
standard).
2. Check that the sum of the braking force is 40% of
the vehicle weight at least.
Check that the front (1st and 2nd axles) braking
force is 112.6 kN {11487 kgf} (25324 lbf) or more.
Check that the rear (3rd and 4th axles) braking
force is 54.6 kN {5563 kgf} (12264 lbf) or more.
6.3 Auxiliary operating brake (aux. brake) force
1. Check that the sum of the braking force of the
auxiliary operating brake (aux. brake) is 35% of
the vehicle weight at least.
Front + rear = 141.6 kN {14453 kgf} (31863 lbf)
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