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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
Summary of Contents for JS130
Page 65: ...Section 3 Section 3 9803 6410 Issue 1 9 1 9 1 Routine Maintenance Component Location Diagram...
Page 118: ......
Page 119: ...3 1 Section C Electrics 9803 6410 Section C 3 1 Issue 1 Layout Operator s Cab...
Page 142: ...5 3 Section C Electrics 9803 6410 Section C 5 3 Issue 1 Pump Control FLOW CHART...
Page 207: ......
Page 209: ......
Page 210: ...3 4 Section E Hydraulics 9803 6410 Section E 3 4 Issue 2 Schematics Shuttle Block...
Page 532: ...Contents Page No Technical Data 1 1 i Engine 9803 6410 i Issue 1 Section K Section K...