MAINTENANCE EVERY 50 OPERATING HOURS 27.5 LUBRICATION as described in chapter "22.1 Preparing the Machine for Maintenance". 2 - Clean the grease nipples which are indicated by the arrows. 3 - Use a grease gun to press sufficient grease into the grease nipples. 3 3 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) 75_240 4 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. 6 6 75_263 160 2 1 75 241 _ 5 5 75 242 _