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7-21
7-21
1. MAIN PUMP
1
2
3
8
7
4
6
5
9
GROUP 2 MAJOR COMPONENT
140Z97MP01
Part name & inspection item
Standard
dimension
Recommended
replacement
value
Counter measures
Clearance
between piston (1) &
cylinder bore (2)
(D-d)
0.032
0.056
Replace piston or
cylinder.
Play between
piston (1) & shoe caulking
section (3)
(
δ
)
0-0.1
0.3
Replace
assembly of
piston & shoe.
Thickness of shoe
(t)
3.9
3.7
Free height of cylinder
spring (4)
(L)
41.1
40.3
Replace cylinder
spring.
Combined height of set
plate (5) (H) & spherical
bushing (6) (h)
(H-h)
17.0
15.8
Replace set plate
or spherical
bushing.
Surface roughness for valve
plate (Sliding face) (7,8),
swash plate (shoe plate
area) (9), & cylinder (2)
(Sliding face)
Surface roughness
necessary to be corrected
3z
Lapping
Standard surface roughness
(Corrected value)
0.4z or lower
d D
δ
L
h H
Summary of Contents for HX130 LCR
Page 11: ...1 1 SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10 ...
Page 174: ...4 5 MEMORANDUM HYUNDAI HEAVY INDUSTRIES CO LTD CONSTRUCTION EQUIPMENT DIV ...
Page 536: ...8 108 125LCR8TM30 Turn casing 1 upside down and remove oil seal 3 using jig 29 ...
Page 566: ...8 138 Remove lock nut 22 and then boot 23 14 36078RL14 2507ARL10 ...