jcb JS300 Service Manual page 728

Assembly
Before assembling:
a Thoroughly clean all components with clean
hydraulic oil and dry with compressed air.
b Apply clean hydraulic oil to all sliding surfaces,
bearings, etc.
1 If previously removed from pump casing 5, install
tilting pin 27 and servo piston 26. Use a protector to
prevent damage to the tilting pin head and feedback
pin.
2 Take care to align the flange match marks and then fit
swash plate support 17 to pump casing 5 by gently
tapping it with a plastic hammer.
17A
(17)
Fig 14.
3 Place the pump casing on the workbench with its
regulator mounting face downwards. Attach swash
plate tilting bush 31 to tilting pin 27. Smear the sliding
surfaces of swash plate support 17 and swash plate
19 with grease. Install the swash plate against the
support and manually check that the swash plate
slides smoothly.
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19
4 Pump 1
5
From inside pump casing 5 install shaft 22 through its
support bearing 32 and secure with bearing spacer 21
and snap ring 20.
Pump 2 (right)
From outside pump casing 5A, install shaft 22A, small
splined end first, through its support bearing 32A as
far as it will go.
379610-C1
9813/5100-1
Section E - Hydraulics
Hydraulic Pump/Regulator
Hydraulic Pump Dismantling and Assembly
5
Fig 15.
17
379620-C1
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