24
1. Umbrella gear adjusting
If sure that umbrella gear has big strange noise, immediately adjust as following.
1.1 Umbrella gear clearance in transmission box. (Drawing 8)
1.1.1 When vice gear side clearance
Δ
<0.05, should add steel gasket between transmission box
and walking case.
1.1.2 When vice gear side clearance
Δ
>0.3, should add adjusting gasket between bearing and
gear II, to make sure clearance between 0.5-.010.
1.2 Umbrella gear clearance in walking case. (Drawing 9)
1.2.1 When vice gear side clearance
Δ
<0.05, should add adjusting gasket I 0.2-0.3 to make
clearance bigger, and change steel gasket II and to make sure gear II clearance 0.05-0.15.
1.2.2 When vice gear side clearance
Δ
>0.3, should reduce adjusting gasket I, and make sure gear
II clearance 0.05-0.15; or adjusting gasket II, and meanwhile make sure gear I clearance
0.05-0.15.