nifty HYBRID DC HR15N Series, Service Manual

Page: 36 / 79

Service Manual
HR15/17N HYBRID DC
English 07/16
30
3.5.3 Lubricate Boom Pivot Bushes (Yearly)
At yearly intervals lubricate all DU pivot bushes on the Flyboom, Links and Telescope assemblies.
Use a dry PTFE aerosol lubricant spray such as WD40 W/D44394 or equivalent. Apply lubricant spray and
allow to penetrate at each of the pivot bush joints identified in the diagram above. Note; there are no grease
or lubrication nipples on the pivot bushes.
3.5.4 Boom Pivot Pin Check (Daily)
Check the respective locking device on each boom pivot pin is installed and secure.
3.6 Boom Rotation Gear
3.6.1 Slew Gear Engagement Check (Monthly)
1) Check the play between the slew ring and pinion.
2) With the telescope boom fully extended, manually push the booms from side-to-side. A small amount
of play is permissible.
3) Inspect the slew gear for signs of uneven wear, damage or missing teeth.
4) Rotate the machine through a full revolution and check that there are no tight spots where the
superstructure struggles to rotate.
TELESCOPE BOOM
LUBRICATION
POINTS
LINKS
LUBRICATION
POINTS
FLYBOOM
LUBRICATION
POINTS