Attachments Removal and Installation of Boom HBCV ・ Stop the machine on a level location with good footing. ・ Be sure to stop the engine before beginning work. Caution ・ When working together with others, always be sure to exchange signals and pay adequate attention to safety. ・ Be sure to release hydraulic pressure before beginning work.
Items to prepare • Wrenches (19 mm, 22 mm, 27 mm) • Hexagon wrench (8 mm) • Marking pen • Caps • Plugs
1. Removal of Boom HBCV
RN
[1] Use wrenches (19 mm, 22 mm) to remove the hoses (1), (2), (3) and (4) from the tool box side boom HBCV.
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• Rag • Cleaning fluid • Crossties
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• Mark the HBCV and hoses so that the connectors match at the time of assembly.
• Use caps and plugs to cover the HBCV and lines to prevent any entry of water, dust or dirt.
CO US N F E ID O E F N TS TI M AL GL : F O OR BA T L H
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• Clean the HBCV and lines by spraying them with a parts cleaner to prevent scratches and prevent dirt from accumulating on the connectors.
[2] Use a hexagon wrench (8 mm) to remove the 4 hexagon socket head bolts (5), and then remove the line (6). • Use caps and plugs to cover the HBCV and line to prevent any entry of water, dust or dirt. • Clean the HBCV and lines by spraying them with a parts cleaner to prevent scratches and prevent dirt from accumulating on the connectors.
RSM-13-15-001E
1
Pilot hose (use 19 mm wrench)
2
Drain hose (use 22 mm wrench)
3
Drain hose (use 22 mm wrench)
4
Pilot hose (use 22 mm wrench)
5
Bolt
6
Line
410 30
