24. SERVICE PROCEDURE 24.4 EVERY 100 HOURS SERVICE 24.4.1 LUBRICATING 1. Set the work equipment in the greasing posture below, then lower the work equipment to the ground and stop the engine. 2. Using a grease pump, pump in grease through the grease fittings shown by arrows. 3. After greasing, wipe off any old grease that was pushed out. 1. Boom cylinder foot pin (2 points) 2. Boom cylinder rod pin (2 points) 3. Arm cylinder foot pin (1 point) b c 4. Boom-Arm coupling pin (1 point) 5. Arm cylinder rod end (1 point) 6. Bucket cylinder foot pin (1 point) d f e PC450-ENG 3-51