MAINTENANCE MAINTENANCE PROCEDURE CHECK SWING PINION GREASE LEVEL, ADD GREASE 4 q Prepare a scale. 1. Remove bolts (1) (2 bolts) on the top of the revolving frame and remove cover (2). 2. Insert the scale into the grease and check that the grease passing through the pinion has a height of at least 16 mm. If the level is low, add grease. 3. Check if the grease is milky white. If it is milky white, it is necessary to change the grease. Please contact your Komatsu distributor. Total amount of grease: 9.1 liters [8.3 kg] 4. Install cover (2) with bolts (1). LUBRICATE SWING CIRCLE 4 1. Lower the work equipment to the ground. 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. 4-57