jcb JS300 Service Manual page 776

Fig 5.
A Packing
12 Fit grease cap 12 to plug 7.
13 Fit push-rod 4 to plug 7 Apply working oil to surfaces
before fitting push-rod.There is a risk of damage to
the rib part of packing 13 do not use excessive force
when fitting.
14 Fit the push-rod sub assembly, assembled in step 10,
11, 12 and 13, into casing 10.
Item Nm
125 21
312 69
301 47
15 Place cover 2 flat on a flat bench, push on bush 23
using the special Jig
by tapping with a hammer.
(A = 2 mm)
20
Fig 6.
A Central Hole (2mm maximum)
E-115
A
A406370-2
Kgf m lbf ft
2 15
7 51
5 35
K Fig 6. ( T E-115)
and insert
2
mm
30mm
A406320-1
16 Fix the lower cover assembly, as assembled step 1-5,
in a vice and attach upper assembly, as assembled in
steps 6-14
17 Fit cover 2 to casing 10.
18 Tighten the hexagonal socket bolt 9 to the specified
torque.
19 Fit cam and steel balls 6 to cover 2. Press down cam
6 and insert cam shaft 5 from the outside.
20 Apply JCB Threadlock or equivalent to the surfaces of
hexagonal socket screws 3.
21 Tighten hexagonal socket screw 3 to specified torque.
22 Tilt cam 6, apply grease to the top of push-rod 4 and
inject grease into grease cap 12 of plug 7. Grease is
to be applied and injected using a spatula made of
soft material and care it to be taken that the surfaces
of the push-rod and plug are not damaged.
23 Fit the top of bellows 1 into cam 6 and then the bottom
into the groove in cover 2.
24 Before fitting the bottom edge of the bellows into the
groove in the cover, apply anti corrosion oil inside the
bellows.Please note that if the bellows do not fit
precisely into the groove and are loose, resistance to
dust and water will deteriorate.
9813/5100-1
Section E - Hydraulics
Travel Pedal Valve
Dismantling and Assembly
E-115