jcb JS70 Service Manual page 162

Section E
24 - 14
Pump Inspection (continued)
2 Measurement Procedures
a Measuring lateral wear between piston A and shoe
B.
For tolerance see Wear Limits Table, Item 1 (a).
b Measuring clearance between piston A and
cylinder block C.
Clearance = D - d.
For tolerance see Wear Limits Table, item 1 (b).
c Measuring surface roughness of the oil seal
mounting area E of pump shaft F.
For tolerance see Wear Limits Table, Item 1 (d).
9803/6020
Hydraulics
Hydraulic Pump
B B
3
A A
E E
F F
Section E
24 - 14
A A
C C
Issue 1