Group 2 Major Components - Hyundai HX140L Manual

GROUP 2 MAJOR COMPONENT
1. MAIN PUMP
Part name & inspection item
Clearance
between piston (1) &
cylinder bore (2)
(D-d)
Play between
piston (1) & shoe caulking
section (3)
( )
Thickness of shoe
(t)
Free height of cylinder
spring(4)
(L)
Combined height of set
plate(5)(H) & spherical
bushing(6)(h)
(H-h)
Surface roughness for valve
plate (Sliding face)(7,8),
swash plate (shoe plate
area) (9), & cylinder (2)
(Sliding face)
3 1 2
9 5 6 4 7
d D
L
h H
Surface roughness
necessary to be corrected
Standard surface roughness
(Corrected value)
Recommended
Standard
dimension
0.028
0-0.1
3.9
31.3
19.0
3z
0.4z or lower
7-21
8
replacement Counter measures
value
Replace piston or
0.056
cylinder.
0.3
Replace
assembly of
piston & shoe.
3.7
Replace cylinder
30.5
spring.
Replace retainer
18.3
or set plate.
Lapping
14097MP01