. MAINTENANCE MAINTENANCE INFORMATION the mounting 4 - 3 Dusty Jobsite as follows: ly to see if the air cleaner is dirty or clogged. to avoid clogging. quently. cially the starting motor and alternator, to avoid accumulation of dust. When working at dusty worksites, do Inspect the dust indicator frequent Clean the radiator core frequently Clean and replace the fuel filter fre Clean electrical components, espe cially the starting motor and alternator, to avo id accumulation of dust When inspecting or changing the o il, move the machine to a place that is free of dust to prevent dirt from getting into the oil.
Avoid Mixing Lubricants If a different brand or grade of oil has t o be added, drain the old oil and replace all the oil with the new brand o r grade of oil. Never mix different brand or gr ade of oil. Locking the Inspection Covers Lock inspection cover securely into position with the lock bar. If inspection or maintenance is performed with maintenance with inspection cover not locked in positio n, there is a danger that it may be suddenly bl own shu t by t he wind an d cause injury to the worker. Hydraulic System - Air Bleeding When hydraulic equipment has been repaired or replaced, or the hydraulic piping h as bee n removed and i nstalled again, the air must be bled from the ci rcuit.
For details, see "BLEEDING AIR FROM HYDRAULI C SYSTEM (PAGE 4-47)". Hydraulic Hose Installation When removing parts at locations replace with new parts. When doing this, be careful not to where there are O-rings or gasket seals, cl forget to assemble the O-rings and gaskets. When doing this, be careful not to When installing the hoses, do not twist or bend them into loops with a small rad This will cause damage to the hos e and drastically reduce its service life. surface, and Checks After Inspection and Maintena nce Works If y ou forget to perform the checks afte r inspection and maintenance, unexpected pr oblems may occur, and t his may lead to serious injury or property dam age.
Always do the following: e stopped) enance points been forgotten? nance items been performed correctly? Checks after operation (with engin Have any inspection and maint Have all inspection and mainte Have any tools or parts been d inside the machine and get cau Is there any leakage of coolant Have any inspection and maint Have all inspection and mainte Have any tools or parts been d ropped inside the machine? It is particularly dangerous if parts are d ropped ght in the lever linkage mechanism. or oil? Have all nuts and bolts been tightened? operating the engine, see "TWO WORKERS FOR MAINTENANCE WHEN 2-35)" and pay careful attention to safety. ance items working properly?
il when the engine speed is raised? Is there any leakage of coolant or oil? Have all nuts and bolts been tightened Checks when operating engine For details of the checks when ENGINE IS RUNNING (PAGE Are the inspection and mainten Is there any leakage of fuel or o For details of the checks when Are the inspection and mainten Is there any leakage of fuel or o AINTENANCE WHEN