4. DISASSEMBLY, INSPECTION AND REASSEMBLY OF ENGINES 4-6 82E-5 – 98E-5 SERIES No. Instrument name Application Illustration 7 Depth micrometer For measuring of valve sink 8 Square For measuring valve spring inclination and straightness of parts 9 V-block For measuring shaft bend 10 Torque wrench For tightening nuts and bolts to the specified torque 11 Thickness gauge For measuring gaps between ring and ring groove, and shaft joints during assembly 12 Cap tester For checking water leakage 13 Battery coolant tester For checking concentration of antifreeze and the battery electrolyte charge status