Maintenance/repair
○ Once after start-up
● Recurring
+ As needed
Symbol Maintenance inter-
val
Component
*) Must be lubricated by hand
**) Lubricated via the process equipment
● Mast guide rails (13) **
● Inner slewing ring gear teeth (6)
● Slewing ring (ball bearing race and rotor bearing) (7)
● Backstay cylinder joints (2)
● Boom connection points (3)
● Boom cylinder joints (4)
● Supporting boom connection points (5)
● Undercarriage spar sliding surfaces (8) *
● Main winch counter bearing (9)
● Aux. winch counter bearing (10)
● Mast pivot connection point (11)
● Mast pivot guide (12)
● Masthead rope sheaves (1)
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