4-S4
F2880, F3680, RCK72-F36, RCK72R-F36, RCK60-F36, RCK60R-F36, WSM
BRAKES
4. CHECKING, DISASSEMBLING AND SERVICING
[1] CHECKING AND ADJUSTING
Brake Pedal Free Travel
1. Press the main brake pedal five times with a force of 147 to 294
N (15 to 30 kgf, 33 to 66 lbs).
2. Press the center of the pedal (3) at a force of 39 to 58 N (4 to 6
kgf, 9 to 13 lbs), and measure the movement at the footrest of
pedal.
3. If the measurement is not within the allowable limits, turn the
turnbuckle (5) to adjust.
4. After adjustment, tighten the lock nut (4) firmly.
NOTE■
• After checking brake pedal free travel, be sure to engage the
parking lock lever fully and check to see that the main brake
pedal is securely locked.
W1011243
Brake Rod 2
1. Measure the spring length “L” with vernier calipers.
2. If the measurement is not within the reference value, adjust the
brake rod 2 with the adjusting nuts (1).
3. Press the main brake pedal to lock the position of third notch, and
measure the force of main brake pedal.
4. If the measurement is not within the factory specifications, adjust
the spring length “L”.
■
• Apply grease to the rod as shown in the figure.
(Reference)
• Brake rod 2 spring length “L” : 123 to 125 mm (4.85 to 4.92 in.)
W1011467
Brake pedal free travel
Factory spec.
20 mm
0.79 in.
Allowable limit
20 to 30 mm
0.79 to 1.18 in.
(1) Brake Rod 1
(2) Brake Rod 2
(3) Main Brake Pedal
(4) Adjusting Nut
(5) Turnbuckle
Force of main brake
pedal
Factory spec.
373 to 411 MPa
38 to 42 kgf/cm
2
84 to 92 psi
(1) Adjusting Nut (A) Grease
(B) Third Notch