24. SERVICE PROCEDURE 24.1.22 ADJUST BUCKET CLEARANCE 1. Set the work equipment to the position shown in the diagram at right, stop the engine and set the safety lock lever to the lock position. 2. Measure the amount of play u . Measurement is easier of you move the bucket to one side or the other so all the play can be measured in one place. (In the diagram this is on the left-hand side) Use a gap (clearance) gauge for easy and accurate measurement. a REMARK When removing the pins, place the bucket so that it is in light contact with the ground. If the bucket is lowered strongly to the ground, the resistance will be increased and it will be difficult to remove the pins. Arm Bucket 3.
Remove the stopper bolt b and nut and remove the pin half way. 4. Fit shims c according tot the amount of free play A measured above Arm Bucket (EXAMPLE) If the play is 3 mm, fit two 1.0 mm shims and one 0,5 mm shim and the play will become 0,5 mm. When the play u is smaller than 0,5 mm. Do not carry out any maintenance. a 5. Refit pin and stopper bolt. PC450-ENG 3-41 WARNING It is dangerous if the work equipment moves by mistake when the clearance is being adjusted. Set the work equipment in a stable condition, then stop the engine and lock the lever securely.
WARNING WARNING • When knocking the pin in with a hammer, metal particles may fly and cause serious injury, particulary if they get into your eyes. When carrying out this operation, always wear goggles, helmet, gloves, and other protective equipment. • When the bucket is removed, place it in a stable condition.