14 - 12
Inspection
All parts should be checked for signs of damage or wear,
paying particular attention to the parts detailed below.
Section E
Hydraulics
9803/6410
Section E
14 - 12
Issue 1
Hydraulic Pump/Regulator
art
Piston assembly
6
Cylinder block assembly
4
Valve plates
9
,
10
Swash plates
7
,
8
Retainer plate
11
Retainer holder
12
Shaft
5
Bearings
13
,
14
Oil seal
15
Body
1
Regulator piston
23
Relief valve assembly
56
Servo regulator parts (spool, sleeve,
piston)
Renew if these conditions exist
a
Any sliding part is deeply scratched or has a rough surface.
b
The clearance between any piston and its cylinder is 0.050 mm (0.002 in) or
more.
c
The shoe/ball clearance
X
is 0.39 mm (0.0157 in) or more.
a
Any sliding part is deeply scratched or has a rough surface.
b
The spline is excessively worn or damaged.
a
The cylinder block sliding contact surface is deeply scratched or has a
rough surface.
a
The piston shoe sliding contact surface is deeply scratched or has a rough
surface.
b
Flaking or peeling on the roller bearing
14
contact surface.
a
The sliding surface is deeply scratched, thermally seized or unevenly worn
or has a rough surface.
a
The oil seal
15
contact surface is deeply scratched or has a rough surface.
b
The spline is excessively worn or damaged.
a
Flaking or peeling on the rolling surface.
b
The bearing does not operate smoothly and freely.
a
The lip has been damaged, excessively worn or hardened.
a
The piston and/or its bore is deeply scratched or has a rough surface.
a
Any problem occurs, e.g. the set pressure has been lowered
a
Any sliding part is deeply scratched or has a rough surface.
X
Содержание JS130
Страница 39: ...3 3 Section 3 Routine Maintenance 9803 6410 Section 3 3 3 Issue 1 Greasing continued Excavator End...
Страница 65: ...Section 3 Section 3 9803 6410 Issue 1 9 1 9 1 Routine Maintenance Component Location Diagram...
Страница 118: ......
Страница 119: ...3 1 Section C Electrics 9803 6410 Section C 3 1 Issue 1 Layout Operator s Cab...
Страница 142: ...5 3 Section C Electrics 9803 6410 Section C 5 3 Issue 1 Pump Control FLOW CHART...
Страница 145: ...5 6 Section C Electrics 9803 6410 Section C 5 6 Issue 1 Pump Control Cushioned Boom Starting continued Flow Chart...
Страница 148: ...5 9 Section C Electrics 9803 6410 Section C 5 9 Issue 1 Pump Control Pressure Increasing System continued Flow Chart...
Страница 155: ...5 16 Section C Electrics 9803 6410 Section C 5 16 Issue 1 Pump Control Power Supply Cut Delay Flow Chart...
Страница 159: ...5 20 Section C Electrics 9803 6410 Section C 5 20 Issue 1 Pump Control Swing brake Swing lock continued Flow Chart...
Страница 160: ...5 21 Section C Electrics 9803 6410 Section C 5 21 Issue 1 Pump Control Lever Lock Circuit Diagram Time Chart...
Страница 161: ...5 22 Section C Electrics 9803 6410 Section C 5 22 Issue 1 Pump Control Lever Lock continued Flow Chart...
Страница 207: ......
Страница 209: ......
Страница 210: ...3 4 Section E Hydraulics 9803 6410 Section E 3 4 Issue 2 Schematics Shuttle Block...
Страница 211: ...Section E Section E Hydraulics 9803 6410 Issue 2 3 5 3 5 Schematics Pilot Control Line Hose Connection Diagram JS03540...
Страница 212: ...Section E Section E Hydraulics 9803 6410 Issue 1 3 6 3 6 Schematics Pilot Control Line Hose Connection Diagram JS03540...
Страница 234: ...14 1 Section E Hydraulics 9803 6410 Section E 14 1 Issue 1 JS00010 Hydraulic Pump Regulator Dismantling and Assembly...
Страница 278: ...32 2 Hydraulic Circuit Diagram Section E Hydraulics 9803 6410 Section E 32 2 Issue 1 Control Valve JS01700...
Страница 279: ...33 1 Neutral Circuit Section E Hydraulics 9803 6410 Section E 33 1 Issue 1 Control Valve JS01610...
Страница 284: ...33 6 Boom Raise BM Operation Section E Hydraulics 9803 6410 Section E 33 6 Issue 1 Control Valve L...
Страница 287: ...33 9 Slew Operation SW Priority Circuit Section E Hydraulics 9803 6410 Section E 33 9 Issue 1 Control Valve JS01770...
Страница 293: ...Hydraulics 9803 6410 Issue 1 34 3 34 3 Section E Section E Control Valve JS01820 Dismantling and Assembly cont d...
Страница 532: ...Contents Page No Technical Data 1 1 i Engine 9803 6410 i Issue 1 Section K Section K...