2. Boom clearance adjustment
[NOTICE]
The part numbers and figures in this manual are shown while using the 2nd boom as an example.
All adjustment procedures are the same from the top to 2nd boom sections (except for the upper part of the
boom bottom).
The term "minimum clearance" means the clearance to which the thinnest provided shim cannot be inserted.
With the adjustment work, perform the work in a sequential order with the items listed below. (Refer to
Figure 1.)
[1]: 2.1 Shim adjustment at lower oblique sides of the
boom bottom
[2]: 2.3 Shim adjustment at sides of the boom bottom
[3]: 2.4 Slide plate adjustment at lower part of the
boom head
[4]: 2.5 Clearance adjustment at upper part of the
boom head
[5]: 2.6 Shim adjustment at upper part of the boom
bottom
[2]: 2.8 Clearance check at sides of the boom bottom
[1]: 2.1 Shim adjustment at lower oblique sides of the
boom bottom
[5]: 2.2 Shim adjustment at upper part of the boom
bottom
[2]: 2.3 Shim adjustment at sides of the boom bottom
[3]: 2.4 Slide plate adjustment at lower part of the
boom head
[4]: 2.5 Clearance adjustment at upper part of the
boom head
[5]: 2.7 Clearance check at upper part of the boom
bottom