Komatsu Utility 69001, Operation & Maintenance Manual

Page: 152 / 276

OPERATION
OPERATION
3-98
MEASURING LINK PITCH
1. Insert a wooden block between track shoe and sprocket to
take up the slack in track shoes.
2. Measure the pitch length (L) of 4 links at a straight portion
at least 2 links from master pin (A). Divide this measure-
ment by four to obtain the link pitch.
q
Basic link pitch (P): 203 mm
q
Link pitch limit for turning: 206 mm
There is no link window on the master link.
REMARK
The measured value under decimal of link pitch is different
from the basic value depending upon the precision of measure
or the tolerance of product even if it isn't worn out.
Don't judge it's worn out too soon, do it with the trend of mea-
sured value after that.
MEASURING HEIGHT OF GROUSER
(D65EX,D65WX)
After taking up slack in track shoes, measure height at center
of shoe as shown below.
q
Standard height (h): 65 mm
q
Repair limits: 25 mm