Edition 2 Chapter 1 Page 1-1
Feb/2013 Maintenance and Service
Introduction
1.1 INTRODUCTION
A set of preventive maintenance tasks is necessary to extend the serviceable life of
the crane. The tasks can help to maximize efficient service and decrease the time
the crane is at the repair facility. This section has checks and procedures which you
are to do on daily, weekly, monthly and semi-annual intervals. These intervals are
specified in conditions of calendar and hours of operation.
The checks for long intervals include all the checks that you do in the shorter
intervals. Thus, the weekly check includes all items in the daily check. The monthly
check includes the weekly and the daily checks. The semi-annual check includes the
quarterly, monthly, weekly and daily checks.
The chart makes it possible for you to record the preventive maintenance tasks that
you complete. It also supplies you with a tool to find the problem areas and to
examine the value of the maintenance tasks. The items in each check interval on the
chart are assembled by their applicable headings and explained in this chapter.
This maintenance schedule is a procedure to make sure that basic preventive
maintenance tasks are completed in the usual conditions that you operate. The
conditions which increase wear, loads or strain on the crane, usually make it
necessary to decrease the interval time. Before you change the maintenance
schedule, examine your operation and the maintenance records of the crane. Think
about all the factors involved and make a new schedule that is sufficient to align the
usual maintenance tasks.
As a part of each preventive maintenance check, refer to the Engine Manufacturer’s
Manual for engine maintenance tasks. When you do the servicing of the engine, use
the data in the engine manual if this chapter has data that is different.
1.2 OPERATOR OBSERVATION
A. Do a visual inspection for:
(1) Unusual conditions
(2) Hydraulic system leaks or damage.
B. Examine the area around the engine for:
(1) Belts (tension and wear)
(2) Coolant level
(3) Engine oil level
(4) Hydraulic transmission oil level
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