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Section 1 Maintenance
SCC1000C Crawler Crane — Maintenance Manual
-- Check the outrigger cylinders for leaks, normal
function, or rust.
-- For cranes operating in corrosive environment
(seaside, chemical plant, or steel plant), if they
are not used for more than one day an acid-free
protective lubricating grease must be applied on
the exposed chromium surface of the piston rods
to avoid corrosion.
9�4 Maintaining Hydraulic Cylinders of
the Lowerworks
Rollers and Crawler of the Crawler Traveling Device
9�5 Adjusting Tension of the Crawler
-- Before checking the tension of the crawler, the
crawler pad must be cleaned.
Checking tension of the crawlers:
The relaxation of the crawler components is the
standard to check whether the crawler component
is sufciently tightened.
If the crawler component has been properly
cleaned and tightened its relaxation must be
40±5mm. If it is too loose or too tight, the crawler
component must be tightened or loosened (See
Fig. T103 6003 and T103 6004).
Track Drive wheel Support roller Track roller Guide wheel
T103 6003
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