Yamaha YM6100, Concert Marimba Precautions for Handling Gas Spring, Danger, Discarding procedure

Precautions for Handling Gas Spring

Please observe the following instructions for proper handling of the gas spring.

1. Precautions for handling the gas spring	Caution
This gas spring requires no oil supply to its sliding	Note that a nick in the piston rod or cylinder will
section. Additional oil will reduce the sealing durability	shorten the service life of the seal or result in defec-
and cause the oil to leak.	tive operation. Do not hit the piston rod or cylinder.
Never apply any impact to the gas spring. It will cause	Do not expose the gas spring to an excessively high
oil leakage, malfunction or breakage.	or low temperature. The allowable temperature
	range for use is -20°C to 50°C.
Never disassemble the gas spring. As a high pres-	Avoid using the instrument where it is exposed to to
sure gas is sealed in it, disassembling it will cause a	rain, water or much dust. It will cause malfunction.
high risk.
The gas spring is not rigid enough to prevent bending	Do not apply an excessive force to lift the frame end
due to unbalanced loads, do not attempt to bend it.	and pull off the gas spring from the leg. It will cause
A poorly balanced load will cause the rod to bend, re-	malfunction or breakage.
sulting in defective operation.

●Do not apply a high tensile load to the gas spring as it will cause damage to the gas spring.

●In the event of a failure, stop using the instrument and contact the shop of its purchase. If your

dealer is unable to assist you, please contact Yamaha directly.

2. Instructions for discarding the gas Danger

Make sure to observe the following instructions when discarding the gas spring.

As pressurized nitrogen gas is sealed in the gas spring, be sure to release before discarding it. Or an explo- sion may occur, causing an injury.

[Precautions]

A.Do not crash.

B.Do not cut.

C.Do not make a hole anywhere other than the specified positions (q and w in the Fig.1).

D.Do not throw it in the fire.

[Discarding procedure]

1.Put the gas spring in a plastic bag. Using a drill of 2 to 3 mm, make a hole q from outside of the plastic bag at the position as specified in the figure to release the gas and oil and then make a hole w at the position as specified.

(Be sure to make holes in the order of q and w. )

2.If a vinyl bag is not used, the oil and drill chips will spread. (In such a case, wear eye protection glasses. )

Fig. 1
	Drill		Plastic bag
15mm	q		35mm
		w

*Drill 2 holes as shown above to release the gas before discarding the gas spring.

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