. OPERATION OPERATION (155 to 165 kgm, 1121 to 1193 lbft) REMARK tightening give a 3 - 74 CHECK WHEEL HUB NUTS, TIGHTE Check for loo se wheel hub nuts (1). If any are found, tighte Tightening to rque: 1519 to 1617 N Insert a sock et wrench in a pipe, an d apply the force of 1568 kg, 353 lb) a t a point 1 m from th e fulcrum to give a tig torque of 15 68 Nm (160kgm, 1570 lbft ).
When apply the 88 4 N (80 k g, 176 lb) at a point 2 tightening tor que of 1568 Nm (160 When tighten ing the hub nuts after r eplacing the tires, trave l for 5 to 6 km , then check the ti ghtening torque to e nsure tha t there ar If a ny stud b olt used to install the ri m is broken, replace al l the stud bol CHECK CENTRAL 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 to position, pre ss machine monitor ch eck switch (1), and ch the monitor la cycle, and mps light up, that the that the machine m meters and gauges perf odel name, monitor s CHECK BRAKING EFFECT Check that th e parking brake, foot brake, and retarder bra ke work prop If t here is an y problem, please con tact your Komatsu distr ibutor for rep