jcb JS300 Service Manual page 727

Fig 11.
9 Pump 1
Remove snap ring 20 and bearing spacer 21. Using a
plastic hammer, gently tap shaft 22 out of its support
bearing 32 to remove it from swash plate support 17.
Pump 2
Gently tap shaft 22A, at the end nearest the mating
flange of valve block 8, to separate it from swash
plate support bearing 32A.
17A
Fig 12.
10 Remove valve plate 23 from valve block 8.
E-66
18
19
5
379580-C1
32A
22A
379590-C1
9813/5100-1
Section E - Hydraulics
Hydraulic Pump/Regulator
Hydraulic Pump Dismantling and Assembly
8
23
Fig 13.
11 If necessary, remove plugs 24 and 25, servo piston 26
and tilting pin 27 from pump casing 5.
Note: 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 JCB
Threadlocker used to secure it.
12 Remove needle bearings 28 and splined coupling 29
K Fig 3. ( T
from valve block 8.
Note: Do not remove the needle bearing assembly unless
it needs renewing.
Note: To avoid the risk of changing the flow settings, do
not loosen nut 30 in valve block 8 or nut 31 in swash plate
K Fig 3. ( T
support 17. E-60).
379600-C2
E-60).
E-66