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Section 1 Maintenance
SCC1000C Crawler Crane — Maintenance Manual
Diagram of Crawler Relaxation Check
The adjustment of crawler tension must be performed with the machine on level ground. Before the
adjustment, move the crane a little ahead, so that the relaxed part of the crawler is located above the
driving wheel, which facilitates the adjustment.
Adjustment steps:
1) Remove the bolts and covers on both sides.
2) Align both hydraulic jacks in natural status respectively with the shaft.
3) Slowly pump the jack handle at the same time, so that it pushes the shaft and the guide wheel forward,
there will be a gap between crawler frame and the group A shim plates.
4) After adjusting to proper tension is achieved, stop the action of the hydraulic jack. Select appropriate
shim plates from group B to ll the gap between the crawler frame and group A shim plates, and then
replace the cover.
Adjusting Tension of the Crawler
Fixed plate
Hydraulic jack
Shim plate group B
Shim plate group A
Regulating
rod
Guide wheel
assembly
T103 6004
40±5mm(1-9/16"± 3/16")
T103 6010
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