Liebherr A309 Litronic Wheel Excavator Service Repair Manual SN20221 and up

Page 162

Inspection and maintenance schedule

Service Manual

A 312 Litronic - A 316 Litronic Maintenance/ inspection at operating hours

WORK TO BE CARRIED OUT A 312 - A 316 Litronic by maintenance personnel (machine operator)

by authorised specialist technician

Initial and single interval Repeat interval Special interval: every 250 hours

Note Initial and single interval Repeat interval

Carry out functional test of power shift mechanism and parking brake Check gearbox, oil motor and joint shafts for proper mounting Change gear oil (first time after 500 operating hours) AXLES Check oil level; check for leaks; check wheel lugs for proper fit Check axles for proper mounting Lubricate oscillating axle bearing (weekly or monthly, depending on use) Lubricate steering knuckle bearing (weekly or monthly, depending on use) Change oil in axle housing and planetary drives (front and rear) (first time after 500 operating hours) Check multi-disc brake for wear (1 x every 12 months; shorten interval, if necessary) STEERING Check system for leakage; complete functional test Check components and steering system parts for proper mounting OSCILLATING AXLE SUPPORT Check system for leakage; complete functional test Check cylinders for proper mounting BRAKE SYSTEM Check system for tightness Carry out functional test Check pressure of accumulator and brakes; check test switches OPERATOR'S CAB + HEATING Check / add detergent solution in windscreen washer tank Carry out functional test of heating system (before start of winter season)

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