5 Maintenance 5.4. Tools and standard tightening torques (bolts, nuts) 5.4.1. Introduction of recommended tools No. Remarks Applicable width across flats 8/10 mm 13/15 mm 17/19 mm 24/27 mm 1 2 3 6 7 (for grease gun) 8 (Lithium base grease: 400g) 9 10 If any of the above tools are broken, please order them from your KOMATSU distributor. 5-20 WA90-5 – VEAM270100 Name of tool Part No. Wrench set 42T-09-H0450 42T-09-H0460 42T-09-H0470 42T-09-H0440 Screwdriver 421-98-H1120 Screwdriver 421-98-H1110 Grease gun 424-98-H1010 Hose 424-98-H1020 Grease cartridge 07950-90403 Hammer 421-98-H1140 Pocket 421-98-H1130