Wartsila RT-flex50-D - Page 136

Maintenance1903−1/A2 RT-flex50-D
Wärtsilä Switzerland Ltd
2/ 5
A
x
PRE-TENSIONING JACK 94180a
PLACED FOR TENSIONING
PRE-TENSIONING JACK 94180a
PLACED FOR LOOSENING
012.947/05
94935
94942
94935
94934g
94934a
94934
SA
BN
KO
94005b
2
5
4
1
3
6
7
WCH00668
x
Using a feeler gauge inserted through slot ’KO’, check whether tie rod nut 3 rests
on intermediate ring 2 without any clearance.
⇒ If any clearance does exist, tighten the nut with rod 94005b until it rests firmly
on the intermediate ring. Subsequently release the pressure to zero at the hy-
draulic unit. If no clearance exists, the pressure can immediately be released
and the pre-tensioning jacks removed. Check all the tie rods in this manner
and, wherever necessary, tighten the nut.
⇒ Protect the tie rod threads against corrosion by coating them with non-acidic
grease after checking has been completed. Fit and fasten protection cover.
Checking the Pre-tension and Tensioning the Tie Rods with M72x6 Thread Diamete
r
2011
CHECK