Model TA50RT
Rev. 1 04/99
MAINTENANCE SCHEDULES
5
5 - 8
Figure 5.1 : Slew Ring Bearing Play Measurement
5.2.4. SIX MONTHLY
In addition to the monthly check, carry out the following:-
(a) Check cage levelling.
(b) Check cage pivots.
(c) Check boom cylinders. The lift cylinder seals can be replaced with the cylinder mounted on the
machine, or by removing the cylinder before removing the seals.
(d) Check axle.
(e) Replace suction filter element.
(f) Test all machine systems.
5.2.5. YEARLY
In addition to the 6 monthly check, carry out the following:-
(a) Change oil in rotation gearbox.
(b) Grease slewing ring bearing.
(c) Examine the hydraulic oil. Change if necessary.
(d) Check hydraulic oil tank.
(e) Examine machine structure for defects.
(f) Examine cage mountings and structure.
(g) Check zoom cylinders. The zoom cylinder is a double-acting type and must be removed from the
machine before any thorough check can be carried out.
5.2.6. FOUR YEARLY
In addition to the yearly checks, carry out the following.
(a) Detailed examination of flexible hoses.
(b) Detailed examination of all pivot pins and bearings.
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