Chapter 3 - Maintenance
3-2
Weekly Inspection
Weekly Inspection should occur at the
beginning of every work week. Each week,
inspect the crane for all of the following:
1. Lubrication of points required by lubrication
chart. See chart at the end of this chapter.
2. Proper operation of load hook safety latch.
3. Presence of this owner’s manual.
Monthly Inspection
Monthly Inspection should occur at the
beginning of every work month. Each month,
inspect the crane for all of the following:
1. Frame bolt tightness - turn barrel nuts and
mounting bolts during the first month of
operation on new machines and then
quarterly thereafter.
2. Cylinders and valves for leaks.
3. Lubrication.
4. Load hook for cracks or having more than
15 percent normal throat opening or 10
degrees twist.
5. Structural members for bends, cracks, or
broken members.
6. All welds for breaks and cracks.
7. A ll pins and keepers for proper
installation.
8. All control, safety, and capacity placards
for readability and secure attachment.
9. Inspect all electrical wires and connections
for worn, cut, or deteriorated insulation
and bare wire. Replace or repair wires as
required.
10. Tightness of all boom wear, pad-retaining
bolts.
Service
The following general suggestions should
be helpful in analyzing and servicing your
crane. Using the following systematic
approach should be helpful in finding and
fixing problems:
1. Determine the problem.
2. List and record possible causes.
3. Devise checks.
4. Conduct checks in a logical order to
determine the cause.
5. Consider the remaining service life of
components against the cost of parts and
labor necessary to replace them.
6. Make the necessary repair.
7. Recheck to ensure that nothing has been
overlooked.
8. Functionally test the new part in its
system.
Cleanliness
An important item in preserving
the long life of the crane is
keeping dirt, grime, and corrosive
material out of the working parts.
Thoroughly wash the crane
periodically.
Inspection Checklist
For a more detailed outline of scheduled
inspection points, refer to the Stellar
Inspection Checklist at the end of this chapter.
This list is an excellent guide for the
inspection tasks that will help maintain the
quality of your Stellar product. Feel free to
photocopy the checklist as needed.
Follow these guidelines to maintain the quality of your Stellar product.
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