Figure 4-5.. Hydraulic system service points.
f. Install the drain plug, small and large covers and
g. With tank full and pump primed, operate engine
fill tank with oil as specified in lubrication order. Remove
at idle speed and raise and lower boom and operate
level plug to check for proper level.
slewing and boom extension cylinders. Refill hydraulic
tank as required.
Note. If suction hose has been drained,
disconnect pressure hose from elbow on top of hydraulic
pump and fill pump with oil.
Section V. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
which must be performed by organizational maintenance
personnel at regularly scheduled intervals.
Preventive maintenance is defined as the systematic
organization mechanic may be assisted by the operator
care, inspection, and servicing of equipment to maintain
in performing these services.
it in serviceable condition, to prevent breakdowns, and to
The monthly and quarterly preventive
assure maximum operational capability.
maintenance checks and services are as sequenced and
Organizational Preventive Maintenance
Checks and Services
a. The services described in this section are those