18 - 10
Hydraulic Pump (cont’d)
Dismantling and Assembly (cont’d)
Dismantling (cont’d)
11 Remove valve plates 25 from valve block 8.
12 If necessary, remove plugs 26 and 27, servo piston 28
and tilting pin 29 from pump casing 5.
Note 2: When removing the tilting pin use a protector to
prevent damage to the pin head. Also take care not to
damage the servo piston as a result of the retaining
compound used to secure it.
13 Remove needle bearings 30 (see Note 3) and splined
coupling 31 from valve block 8.
Note 3: Do not remove the needle bearing assembly unless
it needs renewing.
Note 4: To avoid the risk of changing the flow settings, do
not loosen nut 32 in valve block 8 or nut 33 in swash plate
support 18.
Section E Hydraulics
9803/6410
Section E
18 - 10
Issue 1
Hydraulic Pump/Regulator JS130, JS160
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