Changing The Oil Of The Swing Drive Transmission; Torque For The Slewing Ring And The Swing Drive - JUNTTAN PM 20L Operator's Manual

JUNTTAN
Routine service section
7.9 CHANGING THE OIL OF THE SWING DRIVE
TRANSMISSION
Make the first oil change after 100 operating hours. Check the oil level weekly and refill
if necessary. Fill the oil until the oil reaches the min. level. Change the swing drive
transmission oil after every 1000 hours of operation or at least once a year. See special
manual from manufacturer. Oil can be removed through the hose which is assembled to
the swing drive.
Oil filling
max
Oil level
min
7.10 TORQUE FOR THE SLEWING RING AND THE
SWING DRIVE
Torque up the bolts of the swing drive mounting and the slewing ring after the first 100
hours of operation and every 1000 hours thereafter. If any bolt is found loose, a further
in deep examination is essential. The necessary preservative measures must then be
exercised. Torque setting of slewing ring bolts is 700 Nm (oiled). See also special
instructions from slewing manufacturer, section "Slewing ring".
The bolt sizes are given in the spare parts manual in the section UNDERCARRIAGE.
The outer slewing ring bolts can be tightened easily.
The inner slewing ring bolts can be tightened
through the access hole beside the slewing ring.
You can also access the inner slewing ring bolts
through the bottom of the undercarriage. When you
check the tension of the bolts there should not be
Hole
any external load on the slewing ring, i.e. the centre
of gravity of the masses of the upper structures
should be within the slewing ring.
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