MAINTENANCE MAINTENANCE INFORMATION Dusty Jobsite When working at dusty worksites, do as follows: q Inspect the air cleaner clogging monitor frequently to see if the air cleaner is clogged. Clean the air cleaner element at a shorter interval than specified. q Clean the radiator core frequently to avoid clogging. q Clean and replace the fuel filter frequently. q Clean electrical components, especially the starting motor and alternator, to avoid accumulation of dust. q When inspecting or changing the oil, move the machine to a place that is free of dust to prevent dirt from get- ting into the oil.
Avoid Mixing Lubricants If a different brand or grade of oil has to be added, drain the old oil and replace all the oil with the new brand or grade of oil. Never mix different brand or grade of oil. Locking the Inspection Covers Lock inspection cover securely into position with the lock bar. If inspection or maintenance is performed with inspection cover not locked in position, there is a hazard that it may suddenly blown shut by the wind and cause injury to the worker. Hydraulic System - Air Bleeding When hydraulic equipment has been repaired or replaced, or the hydraulic piping has been removed and installed again, the air must be bled from the circuit.
For details, see “BLEEDING AIR FROM HYDRAULIC SYSTEM (4- 43)“. Hydraulic Hose Installation q When removing parts at locations where there are O-rings or gasket seals, clean the mounting surface, and replace with new parts. When doing this, be careful not to forget to assemble the O-rings and gaskets. q When installing the hoses, do not twist or bend them into loops with a small radius. This will cause damage to the hose and drastically reduce its service life. 4-3