SkyTrak 6036 Operation Manual - Manual (Page 153)

General Maintenance
147 Model 6036
11. Measure the sag (Figure 98, 1) in the top boom extend chains (2)
between the bottom of the chains and the top of the intermediate
boom (3) at their closest point. Acceptable boom chain sag is
between 1.5" (38 mm) and 2.5" (64 mm). If the measurement is less
than 1.5" (38 mm), the top boom chains need to be adjusted. See
“Top Boom Chain Tension Adjustment” on page 148.
Figure 98
OA0491
1
2
3