Komatsu WA480-8, Руководство по эксплуатации и техническому обслуживанию

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5.
Push out pin (1) to the direction of arrow by hand or ham-
mer, and remove tooth (2).
6.
Check the torque to unlock the pin by using torque wrench
according to the following procedure.
1) Rotate the shaft of pin (1) with torque wrench, and set
it to the lock state (90 °).
2) Rotate the shaft from the lock state (90 °) to free state
(0 °).
3) Check that the maximum torque is 11 Nm {1.12 kgm} and above.
If the torque value is low, replace the pin with a new
one.
T1: Torque (Nm)
T2: Turning angle (degree)
REMARK
The torque value increases gradually and reaches to
the maximum at approximately 45 °, and it decreases
gradually after 45 °.
7.
Clean the mounting surface of tooth (2).
8.
Fit new tooth (2) to the adapter.
9.
Insert pin (1), rotate the shaft of the pin clockwise by 90 °
with socket wrench to lock the pin, and install the tooth.
10. Check that the shaft of pin (1) is locked securely.
Be careful of the direction of brim of the shaft.
(A) Free state: The brim of shaft is sideways.
(B) Lock state: The brim of shaft is upward.
11. After operating several hours, check that the pin does not
come out.
MAINTENANCE PROCEDURE MAINTENANCE
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