Download MAINTENANCE INTERVALS - Safety

124
Maintenance Section
Boom, Stick, and Frame - Inspect
Illustration 167
SEBU7452-07
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6. Apply lubricant through the fitting at the joint that
is between the boom and the stick.
Illustration 170
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9. Apply lubricant through the fitting at the swing
cylinder head end. The fitting is accessed through
the filter element access cover on the right side of
the machine.
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Boom, Stick, and Frame Inspect
SMCS Code: 6501; 6502; 6506
All earthmoving equipment is prone to a high degree
of wear. Regular inspections for structural damage
are necessary.
Illustration 168
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7. Apply lubricant through the following fittings:
• (1) The fitting at the stick cylinder rod end.
• (2) The fitting at bucket cylinder head end.
The interval between these inspections depends on
the factors that follow.
• The age of the machine
• The severity of the application
• The loads that have been carried on the machine
• The amount of routine servicing that has been
carried out
If the machine has been involved in any kind of
accident, the machine must be inspected thoroughly.
Inspect the machine regardless of the date of the last
inspection.
The machine must be clean before the machine is
inspected.
Illustration 169
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8. Apply lubricant through the fitting that is located at
the swing cylinder rod end.
Proper repair of frames and structures requires
specific knowledge of the following subjects.
• Materials that have been used to manufacture the
frame members
• Frame member construction