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Yamaha YHR-891 G Owner's Manual page 10

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Maintenance
2.
Apply a little rotor spindle oil to the rotor
spindle and receiver.
3.
Apply a little lever oil to each linkage of the
lever assembly.
* Remove excess oil and use a gauze cloth to clean
the smaller parts.
26
■ Once or Twice a Month Mainte-
nance
Valve Slide Maintenance
1.
Depress the valve levers and remove the valve
slides.
2.
Wrap a cleaning rod with a gauze cloth leaving
no bare metal exposed, and remove dirt from
the valve slides and the insides of the outer
pipes.
3.
Use the gauze to remove dirt from the surface
of the valve slide, then apply a little slide
grease.
4.
Slide the valve slide in and out a few times to
distribute the grease evenly. Then wipe off any
extra grease that comes off the slide.

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