Every 50 Hours Maintenance; Every 100 Hours Maintenance; Method For Draining Water And Sediment From Fuel Tank; Method For Lubricating Work Equipment - Komatsu H75051 Operation & Maintenance Manual

MAINTENANCE PROCEDURE
"METHOD FOR OPERATIONS AND CHECKS AFTER STARTING ENGINE"
• Method for checking starting condition and unusual noise of engine.
• Method for checking low-speed run and acceleration of engine.
• Method for testing parking brake.
• Method for checking brake.
• Method for checking clearance between brake pedal and floor.
• Method for checking abnormal points detected up to previous day.
• Method for running-in the new machine.
• Method for operations after starting engine.

EVERY 50 HOURS MAINTENANCE

METHOD FOR DRAINING WATER AND SEDIMENT FROM FUEL TANK

1.
Place a container to catch drained fuel under drain valve
(1) on the left side of the fuel tank.
2.
Open drain valve (1) on the left side of the fuel tank, and
drain the sediment and water accumulated at the bottom
together with fuel.
3.
When only the clean fuel flows out, close drain valve (1).

EVERY 100 HOURS MAINTENANCE

Maintenance for every 50 hours service should be performed at the same time.

METHOD FOR LUBRICATING WORK EQUIPMENT

1.
By using a grease pump, pump in grease through the grease fittings shown by arrows.
Pump in grease until new grease (A) comes out through
the gaps on the right and left (or top and bottom) of the lu-
bricated portion.
2.
After greasing, wipe off any old grease that is pushed out.
NOTICE
Shorten the greasing interval than usual in a job site where the machine works for severe opera-
tions, or for continuous operations that last 8 or more hours.
Grease the machine once for every 10 hours until the initial 100 hours are reached.
4-44
MAINTENANCE