MAINTENANCE 4.8 EVERY 10 OPERATING HOURS OR DAILY WORKING ATTACHMENT - CHECK GREASE INJECTORS FOR PROPER OPERATION NOTICE There are two types of grease injectors installed “SL1” and “SL11” injectors, see illust. (Z 19721). Legend for illustration Z 19721 A Injectors on bucket B Injectors on stick C Injectors on boom (1) Indicator stem for visual indication of injector opera- tion (2) Output adjusting screw (3) Protection cap (4) Grease fitting (5) Distributor ledge, stick (6) Boom (7) Distributor ledge, boom Check operation of all grease injectors (A, B and C) by visually watching the cycle indicator stem (1) while operating the central lubrication system manually.
Stem (1) must move in and out once a complete lubrication cycle. If a cycle indicator (1) does not move during a lubrication cycle, grease supply to the lubrication point of the concerned injector is interrupted. Refer to paragraph "CORRECTIVE ACTIONS" in this section and to the separate manual "Lubrication Systems" in part 3 of this binder for corrective action. Carry out same checks on the injectors for slewing connection. 321