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MAINTENANCE
High-Strength Bolt Connections (continued)
Check fastening and condition of hydraulic oil tank,
illust. Z 21674
Reference No.:
(1)
M30
(2)
M30
* SW = Wrench size
Re-tighten mounting bolts to their correct torque and replace
missing or damaged bolts.
Bolt size
Grade
mm
10.9
10.9
4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH
SW *
Tightening torque
mm
Nm
46
1770
46
1770
Qty.
4
4
393
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