Fayat Group Dynapac SD2500C Operation & Maintenance Manual page 538

If a different level of slack is detected during the measurement process, proceed as
A
follows:
- Screw head section for flat nipple (tool
box) onto the grease gun.
- Refill the chain tensioner with grease
at the filler connection (A), then
remove the grease gun.
- Check the chain tension once again,
as described above.
If the tension is too high: see section
A
"Relieving the chain".
Repeat this procedure on both drive
A
units!
Relieving the chain:
f The grease in the tensioning element is
under pressure. Carefully and slowly un-
screw the filling valve, but not too far.
- Unscrew the lubricating nipple (A) on
the grease tensioner using a tool until
the grease is able to emerge from the
nipple's lateral hole.
The idler wheel moves back independ-
A
ently or must be reset manually.
F 73 8
A