Komatsu PC450-8, Operation & Maintenance Manual

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MACHINE OPERATIONS AND CONTROLS
OPERATION
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6. Check for problems in handrails, steps, loose bolts.
If any problem is found, repair it. Tighten any loose bolts.
7. Check for problem in gauges, monitor.
Check for problem in the gauges and monitor in the operator's cab. If any problem is found, replace the parts.
Clean off any dirt from the surface.
8. Clean, check rear view mirror
Check that there is no damage to the rear view mirror. If it is damaged repair. Clean the surface of the mirror
and adjust the angle so that the area at the rear can be seen from the operator's seat.
9. Seat belt and mounting clamps
Check for damage or wear to the seat belt and mounting clamps. If there is any damage, replace with new
parts.
10. Check bucket with hook (if equipped) for damage.
Check for damage to the hook, guide, and hook mount. If any problem is found, contact your Komatsu distrib-
utor for repairs.
11. Check, clean rear-view monitor
Check that there is no problem with the rear-view monitor. If any problem is found, contact your Komatsu dis-
tributor and ask for repairs to be carried out.
Checks Before Starting 3
Always check the items in this section before starting the engine each day.
Drain Water And Sediment from Fuel Tank
1. Set a container under the drain hose to catch the drained
fuel.
2. Turn drain valve (1) to the OPEN (O) position and drain all
the sediment and water accumulated at the bottom
together with the fuel.
3. When clean fuel comes out, turn drain valve (1) to the
CLOSE (S) position.