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6. RCV PEDAL
Maintenance
check item
Leakage
The valve is to be replaced when the leakage effect
to the system. For example, the primary pressure
drop.
Spool
This is to be replaced when the sliding surface has
worn more than 10μm,compared with the non-
sliding surface.
Push rod
This is to be replaced when the top end has worn
more than 1 mm.
Play at operating
The pin, shaft, and joint of the operating section are
section
to be replaced when their plays become more than 2
mm due to wears or so on.
Operation stability
When abnormal noises, hunting, primary pressure
drop, etc. are generated during operation, and these
cannot be remedied, referring to section 6.
Troubleshooting, replace the related parts.
Notes 1. It is desirable to replace seal materials, such as O-rings, every disassembling. However,
they may be reused, after being confirmed to be free of damage.
Criteria
Ø7
1 mm
7-26
Remark
Conditions :
Primary pressure : 40 kgf/cm
Oil viscosity
: 23 cSt
The leakage at the left condition is
estimated to be nearly equal to the
above leakage.
When a play is due to looseness of a
tightened section, adjust it.
2
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Table of Contents
Troubleshooting
