. MAINTENANCE GUIDES TO MAINTENANCE etc. have been 4 - 3 DUSTY WORKSITES: o as follows: tly to see if the air cleaner is clogged. shorter interval than specified. to avoid clogging. equently. ecially the starting motor and alternator, to avoid accumulation of dust. When working at dusty worksites, d Inspect the dust indicator frequen Clean the air cleaner element at a Clean the radiator core frequently Clean and replace the fuel filter fr Clean electrical components, esp ecially the starting motor and alternator, to a void acc umulation of dust. When inspecting or changing the oil, move the machine to a place that is f ree o f dust t o prevent di rt from getting into the oil.
AVOID MIXING OILS: If a different brand or grade of oil has to be added, drain the old oil and replace all t he oil wi th the new b rand or grade of oil. Never mix different brand or g rade of oil. LOCKING INSPECTION COVERS: Lock inspection cover securely into position with the lock bar. If inspection or maintenance is performed with with inspection cover not locked in positi on, there is a danger that it may be suddenly blow sh ut by the wi nd and cause injury to the worker. BLEEDING AIR FROM HYDRAULIC CIRC If the hydraulic components have b disconnected, it is necessary to blee d air in the circuit. See "WHEN REQUIRED (PAGE 4-21) PRECAUTIONS WHEN INSTALLING HYD RAULIC HOSES:
s where there are O-rings or gasket seals, clean the mounting surface, and forget to assemble the O-rings and gaskets. When removing parts at location replace with new parts. When doing this, be careful not to forget to assemble the O-rings and gaskets When installing the hoses, do not twist them or bend them sharply. If the y are installe d so, their s ervice life will be shortened extremely and they may be damaged. CHECKS AFTER INSPECTION AND MAIN TENANCE: If y ou forget to perform the checks aft er inspection and maintenance, unexpected p roblem s may occur , and this may lead to serious injury or property da mage. Always do the following: ne stopped) tenance points been forgotten?
nance items been performed correctly? Checks after operation (with engi Have any inspection and main Have all inspection and mainte Have any tools or parts been inside the machine and get ca Are there any leakage of coola Have any inspection and main Have all inspection and mainte nance items been performed correctly? Have any tools or parts been dropped inside the machine? It is particularl y dangerous i f part s are dropped ught in the lever linkage mechanism. nt or oil? Have all nuts and bolts been tightened? g Are there any leakage of coola nt or oil?
Have all nuts and bolts been ti Check when the engine is runnin See "TWO WORKERS FOR M safety for checking when the e Check if the inspected and ser Increase the engine speed to c See "TWO WORKERS FOR M AINTENANCE WHEN ENGINE IS RUNNIN G (PAG E 2-34)" in the sectio n on ngine is running. Pay enough attention for s Check if the inspected and ser Increase the engine speed to c