JLG sky trak mmv Service Manual page 175

6. Install the extend/retract cylinder. Refer to Section
4.3.2, b. Inner Boom Installation . Follow Steps
13-22.
7. Check and adjust the boom chain. (Refer to Section
4.3.6, Boom Chains for measurement and
adjustment procedures.)
Model MMV Rev. 12/04
9
MT3090
Boom
4.31