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NATIONAL CRANE
08-19-2022 Control # 092-13
4-17
600H SERVICE MANUAL
BOOM
4
3.
Extend boom so scribed lines are exposed by
approximately 12 inches.
4.
Measure the extension gaps between each boom
section and scribed line and note values.
5.
Retract boom so that the scribed lines are exposed by
approximately 6 inches.
6.
Measure the retraction gaps between each boom
section and scribed line and note values.
7.
Extend and retract the boom a few times and then
repeat measuring the extension gaps.
8.
Adjust all corresponding cables according to
Cable
Tightening Sequence
instructions.
Cable Tension Sequence
Five section boom with two stage cylinder.
Cable tensioning (See Figure 4-8) to be in the following
order:
1.
321 retract cables
2.
123 extend (synchronizing) cables.
3.
234 extend cables
4.
432 retract cables.
5.
345 extend cables
6.
543 retract cables.
Four section boom with two stage cylinder.
Cable tensioning to be in the following order:
1.
321 retract cables
2.
123 extend (synchronizing) cables.
3.
234 extend cables
4.
432 retract cables.
Four section boom with one stage cylinder.
Cable tensioning to be in the following order:
1.
123 extend cables.
2.
321 retract cables.
3.
234 extend cables.
4.
432 retract cables.
Three section boom with one stage cylinder.
Cable tensioning to be in the following order:
1.
123 extend cables.
2.
321 retract cables.
8860-5
FIGURE 4-7
8860-6
REFERENCE ONLY
Содержание 600H
Страница 1: ...Service Manual National Crane 600H R E F E R E N C E O N L Y...
Страница 6: ...THIS PAGE BLANK R E F E R E N C E O N L Y...
Страница 38: ...INTRODUCTION 600H SERVICE MANUAL 1 26 08 19 2022 Control 092 13 THIS PAGE BLANK R E F E R E N C E O N L Y...
Страница 54: ...HYDRAULIC SYSTEM SERVICE MANUAL 600H 2 16 08 19 2022 Control 092 13 THIS PAGE BLANK R E F E R E N C E O N L Y...
Страница 136: ...BOOM 600H SERVICE MANUAL 4 62 08 19 2022 Control 092 13 R E F E R E N C E O N L Y...
Страница 138: ...HOIST 600H SERVICE MANUAL 5 2 08 19 2022 Control 092 13 THIS PAGE BLANK R E F E R E N C E O N L Y...
Страница 168: ...OUTRIGGERS 600H SERVICE MANUAL 7 18 08 19 2022 Control 092 13 THIS PAGE BLANK R E F E R E N C E O N L Y...
Страница 182: ...LUBRICATION 600H SERVICE MANUAL 8 14 08 19 2022 Control 092 13 THIS PAGE BLANK R E F E R E N C E O N L Y...
Страница 226: ...CRANE INSTALLATION 600H SERVICE 9 44 08 19 2022 Control 092 13 THIS PAGE BLANK R E F E R E N C E O N L Y...
Страница 228: ...SCHEMATICS 600H SERVICE MANUAL 10 2 08 19 2022 Control 092 13 THIS PAGE BLANK R E F E R E N C E O N L Y...
Страница 231: ...R E F E R E N C E O N L Y...
Страница 232: ...R E F E R E N C E O N L Y...