Inspection intervals
Operating and Maintenance Instructions
18
1HSB435409-100 en1
12b.
Worm gear 15 years or 5,000 mechanical
Close-Open operations.
• For BLG 1002A:
Greasing the operating
mechanism’s drive unit with Grease
“M”.
• For BLK 222:
Check the oil level in the worm gear
housing.
See Product information for the
operating mechanism.
13.
Tightening torque 15 years or 5,000 mech. CLOSE/
OPEN operations
Check of tightening torque on screw
joints.
Tightening torques acc. to Assembly
Instruction and Overhaul Instruction.
Tightening torque for earthing 79 Nm.
To be inspected Inspection interval Measures / Instructions / Tools
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