Mounting on base machine
2 – 9
4. When the arm pin is inserted, raise the boom, and place the breaker on the timber. Extend the
bucket cylinder, and insert the pin into the hole in the bucket link.
5. Install the stop ring, and install the retaining bolt. Bolt locking is of a double-nut type. Tighten the
nuts firmly.
6. Stop the engine of the base machine, turn off the main switch, and let out the air from the
hydraulic oil tank. (Let out the air according to the base machine operation manual.)
7. Check that the stop valves on both sides of the end of the arm are in the "Close" position.
8. Remove the union cap and oil hose plug from the hydraulic breaker pipe attached to the end of
the arm, and connect the oil hose.
NOTICE
Provide a pan to collect waste oil before attaching/detaching the oil hose. Wipe the spilt
oil completely.
Exercise sufficient care so that dust will not enter through the metal fittings at the end of
the oil hose.
• Entry of dust in the oil hose will cause contamination of hydraulic oil, causing failure of the
hydraulic breaker and base machine.
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