Complete factory shop manual including electrical wiring diagrams for Kobelco RK250-3 Crane. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page to save your precious time.

This repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

"S5EZ0005E.pdf"
919 pages; Kobelco RK250-3 Crane Shop Manual

EXCERPT:

5. 4 MAIN AND AUXILIARY (INCL. THIRD) WINCH CLUTCHES
(1) Adjustment of Main and Auxiliary Winch
Clutches
If the clearance between the clutch lining and the clutch drum is not proper, or if air exists in the clutch cylinder, the winch operation might be impossible. To adjust the winch clutch, proceed as follows:
(a) Engage the winch drum lock.
(b) Place the winch clutch lever in the FREE position.
(c) Loosen lock nuts (1), loosen adjusting bolts (2, 3 and 4) so that the clutch band does not contact the head of the adjusting bolts.
(d) Adjust dead end adjusting bolt (3) in the dead end of the clutch band so that the clearance
between the drum and the clutch lining becomes approximately 0.6mm (0.024").
In the same way, adjust adjusting bolt (4) in the live end so that the clearance becomes approximately 1.Omm (0.04").
(e) Turn push rod (5) so that wheel cylinder (6) is retracted completely when the clutch is released.
NOTE
The piston in the wheel cylinder must return to the stroke end position in the cylinder whenever the clutch is disengaged.
(f) Adjust two adjusting bolts (2) so that the clutch lining face does not contact the drum
1. LOCK NUT
2 . ADJUSTING BOLT
3 . ADJUSTING BOLT (DEAD END SIDE)
4 . ADJUSTING BOLT (LIVE END SIDE)
5. PUSHROD
6. WHEEL CYLINDER

6 MAIN WINCH CLUTCH: AS SHOWN IN THIS FIG.
AUXILIARY WINCH CLUTCH: OPPOSITE TO THIS FIG.
Fig. 5-11 Main and Auxiliary Winch Clutch
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