7 - 28
5. RCV LEVER
Criteria
Remark
The valve is to be replaced when the leakage becomes
more than 1000cc/m at neutral handle position, or more
than 2000cc/m during operation.
This is to be replaced when the sliding surface has
worn more than 10
ҏ
m, compared with the non-sliding
surface.
This is to be replaced when the top end has worn more
than 1mm.
The pin, shaft, and joint of the operating section are to
be replaced when their plays become more than 2mm
due to wears or so on.
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.
Leakage
Spool
Push rod
Play at operating
section
Operation stability
Conditions :
Primary pressure : 30kgf/cm
2
Oil viscosity : 23cSt
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.
Maintenance
check item
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.
2. When loosening the hexagon socket head cap screw(125), replace the seal washers(121) without fail.
ٻ
7
1mm
Summary of Contents for R 160 LC-3
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Page 182: ...4 44 No of pin Receptacle connector Female Plug connector Male 24 12 24 1 13 S815 024000...
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Page 416: ...8 103 Remove lock nut 21 and then boot 26 15...
Page 427: ...8 114 Install cover 3 to hub 1 and tighten bolts 14 Torque 5 5 12 5kgf m 40 90lbf ft 7 14 15 3...
Page 456: ...8 143 1 STRUCTURE GROUP 11 WORKEQUIPMENT SECTION A SECTION B SECTION C C B B A A C...