jcb JS200 Service Manual page 246

Section E
14 - 7
Main body wear limit
If the wear of the parts exceeds the standards below, replace or readjust. However, if they are extremely damaged judging from
the external appearance, replace with the appropriate part.
Part Name and
Inspection Item
Clearance between
piston and cylinder
bore (D-d)
Backlash of piston
*
and shoe caulking
part(δ)
Shoe thickness(t)
Cylinder spring free
height (L)
Assembled height of
press plate and
spherical bush
9803/6400
Hydraulic Pump JS200, JS240
Standard Dimensions/Recommended Replacement Value
KRJ3785, KBJ2316
0.028 0.039
0
0~0.1 0~0.1
0.3
3.9 4.9
3.7
31.3 41.1
30.2
10.5 9.8
9.8
Hydraulics
Pump Model
0.043
0 0
0~0.1
0.3 0.3
5.4
4.7 5.0
47.9
40.3 47.1
13.5
8.8 12.5
Treatment
0.0375 Replace piston or
cylinder
0.078
0~0.1 Replace piston
shoe assembly
0.35
5.4 Replace piston
shoe assembly
5.0
40.9 Replace cylinder
spring
40.1
13.5 Replace press
plate or spherical
bush
12.5
Section E
14 - 7
Issue 2*