. OPERATION OPERATION (155 to 165 kgm, 1121 to 1193 lbft) REMARK a 3 - 75 CHECK WHEEL HUB NUTS, TIGHTE Check for loo se wheel hub nuts (1). If any are found, tig Tightening to rque: 1519 to 1617 N Insert a sock et wrench in a pipe, an d apply the force of 15 68 N ( kg, 353 lb) a t a point 1 m from th e fulcrum to give a torque of 156 8 Nm (160kgm, 1570 lbft ).
When apply th e force 88 4 N (80 k g, 176 lb) at a point 2 m from the fulcrum tightening tor que of 1568 Nm (160 When tighten ing the hub nuts after r eplacing the tires, tra vel for 5 to 6 km , then check th e tightenin g torque to e nsure tha t there ar If a ny stud b olt used to install the ri m is broken, replace all the stud bol ts for t hat whe CHECK CENTRALIZED WARNING LAMP, ALARM BUZZER, MONITOR LAMPS AND METERS Before starting the engine, turn the starting switch to the ON position, press machine monitor check switch (1), and check that the monitor lamps light up, that the meters and gauges perform one cycle, and that the machine model name, monitor software version, etc.
appear on the character display. If any instrument does not work or give the display, there is probably a failure, so ask your Komatsu distributor to carry out inspection. probably a f inspection. Before starti ng the engine, turn t he starting switch t o the position, pre ss machine monitor ch eck switch (1), and check t the monitor la cycle, and t mps light up, that the hat the machine m meters and gauges pe odel name, monitor CHECK BRAKING EFFECT Check that th e parking brake, foot brake, and retarder b rake w ork prop If t here is an y problem, please con tact your Komatsu di stribut or for rep