MAINTENANCE EVERY 50 OPERATING HOURS LUBRICATION LUBRICATING POINTS OF THE WORK EQUIPMENT If you perform maintenance operations at a machine which is not properly parked and secured, severe acci- dents may occur! Park the machine on firm, level ground and secure it be- fore starting the maintenance operations. 2 1 1. Park and secure machine for the maintenance operations as described in chapter "Preparing the Machine for Mainte- nance". 2. Clean the grease nipples which are indicated by the arrows. 3. Use a grease gun to press sufficient grease into the grease nipples.
75_241 Lifting cylinder (1) (2 locations) Rocker arm (2) (1 location) Boom (3) (2 locations) Tipping cylinder (4) (2 locations) Quick-change unit (5) (3 locations) Clamshell bucket (6) (3 locations) 3 3 4. Remove the old grease which is extruding at the bearings. If you operate in humid conditions or in a salty environ- ment, you must reduce the lubricating intervals. 75_240 4 5 5 75_242 6 6 75_263 7-44