SECTION 3 - CHASSIS & TURNTABLE
3-12
– JLG Lift –
3121623
Maintenance Tasks
Inspecting The Mounting Bolts
NOTICE
TO COMPENSATE FOR SETTLING, THE BOLTS MUST BE RETIGHTENED
WITH THE PRESCRIBED TIGHTENING TORQUE. RETIGHTENING MUST
BE EXECUTED WITHOUT EXERTING ADDITIONAL EXTERNAL STRESS ON
THE BOLTED UNION.
Figure 3-24. Inspecting the mounting bolts
1.
Detached bolt
Execution only by a specialist.
•
Special tools required:
Torque wrench
Hydraulic clamping fixture
•
Replace loose and detached bolts or nuts and wash-
ers with new bolts, nuts and washers.
•
Use the same bolt size and bolt quality.
NOTICE
IF A HYDRAULIC CLAMPING FIXTURE WAS USED TO TIGHTEN THE
BOLTS, THEN A HYDRAULIC CLAMPING FIXTURE MUST ALSO BE USED
TO CHECK THE BOLT PRETENSION. ALWAYS USE THE SAME TIGHTEN-
ING PROCEDURE AS SPECIFIED FOR INSTALLATION OF THE SLEW
DRIVE WHEN CHECKING THE BOLTED UNION.
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