18 - 12
Hydraulic Pump (cont’d)
Assembly
4 If bearings have ben removed, install each shaft 21
through its bearing 24 and secure with bearing spacers
23 and snap ring 22.
From outside pump casing 5, install shaft and bearing
assembly, small splined end first, through its swash
plate support 18 as far as it will go.
5 Grease oil seal 17 and fit seal cover 15 to swash plate
support 18 using new ‘O’ ring 16. Secure it with socket
head screws 14 tightened to a torque of 11.8 Nm (8.7 lbf
ft).
6 Assemble the piston/cylinder sub-assembly Z
comprising cylinder 9, piston assemblies 10, set plate
11, spherical bush 12 and cylinder springs 13. Make
sure the internal splines of the cylinder and the spherical
bearing are aligned.
Insert the piston/cylinder sub-assembly into pump
casing 5.
Section E Hydraulics
9803/6410
Section E
18 - 12
Issue 1
Hydraulic Pump/Regulator JS130, JS160
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