Haulotte H28TJ+, Maintenance Book

Page: 106 / 196

106 2420333140 E06.13 EN
Lubrication-Tightening-Clearance check
Slew ring
E005
15 mn
After having carried out the measurement :
• Lower the boom at horizontal position.
• Lift the arm (if exists) as its maximum position. Don’t extend the telescopic boom.
• The telescopic boom should be fully extended and in the horizontal position..
• Jib in horizontal position(if fitted).
In its new configuration, note the clearance ( J1) between chassis (or turret) and the slew ring as
previously.
• If the difference between two measurements does not exceed 2 mm : the test validates correct operation.
• Otherwise, contact HAULOTTE Services® to repair the system.
6 - Clearance check
7 - Additional operation
1. Place the machine in its operating configuration. 3.3.2-Placing in operating configuration
2. Rotate the slew ring by one complete turn.
Consult the After-Sales Service HAULOTTE Services®.
A tight spot or grinding sound during rotation or the presence of metal particles escaping from the lip seal
are signs of abnormal wear in the raceway (Contact HAULOTTE Services®).