. MAINTENANCE GUIDES TO MAINTENANCE into the oil. AVOID MIXING OIL: LOCKING INSPECTION COVERS: injury to the worker. repaired or replaced and if the hydraulic have OIL IN REPLACE 4 - 3 When inspecting or changing the oil, move the machine to a place that is free of dus t to prevent di rt from getting If a different brand or grade of oil has to b e added, drain the old oil and replace all the oil with the new b rand or grade of oil. Never mix different brand or grad with inspection cover not locked in position, there is a danger that it may be suddenly blow shut by the wi nd and cause BLEEDING AIR FROM HYDRAULIC CIRCUIT:
If t he hydraulic oil equipments have be disconnected, it is necessary to bleed a HYDRAULIC FILTER ELEMENT (PAG hoses , pipes, et TAN e b een PRECAUTIONS WHEN INSTALLING HYDRAU LIC HOSES: here there are O-rings or gasket seals, clean the mounting surface, and get to assemble the O-rings and gaskets. When removing parts at locations w replace with new parts. When doing this, be careful not to for When installing the hoses, do not twi st them or bend them sharply. If they are installed so, t heir s ervice life will be shortened extremely and they ma y be damaged. the mounting CHECKS AFTER INSPECTION AND MAINTEN ANCE:
If y ou forget to perform the checks after i nspection and maintenance, unexpected problems may occur , and this may lead to serious injury or property damag e. Always do the following: topped) ance points been forgotten? nce items been performed correctly? Checks after operation (with engine s Have any inspection and mainten Have all inspection and maintena Have any tools or parts been dro inside the machine and get caugh Are there any leakage of coolant Have any inspection and mainten Have all inspection and maintena Have any tools or parts been dro pped inside the machine? It is particularly dangerous i f parts are dropped t in the lever linkage mechanism. or oil?
Have all nuts and bolts been tightened? Are there any leakage of coolant or oil? Have all nuts and bolts been tightened? Check when the engine is running See "TWO WORKERS FOR MAI safety for checking when the engi Check if the inspected and mainte Increase the engine speed to che See "TWO WORKERS FOR MAI NTENANCE WHEN ENGINE IS RUNNING (PAGE 2-34)" in t he sectio n on ne is running. Pay attention to safety. nance area is operating normally. ck for fuel and oil leakage. Check if the inspected and mainte Increase the engine speed to che