BOOM MAINTENANCE NBT40 SERVICE MANUAL
4-14 Published 8-01-2017 Control # 287-11
21. Extend boom and align all boom sections.
22. Install access cover (124) with hardware (125,126) to
top rear of 1st stage boom.
23. Install boom angle pendulum (121) and bearing (120) to
left side of 1st stage boom with hardware (122,56).
Reference Only