Hardi Commander Plus SPC Series - Page 71

71
GB 14 08 04
Maintenance
6. The lower arms must be disconnected simultane-
ously.
7. Grease all grease nipples.
8. Remove the lifting gear again.
WW
WW
W
ear bear b
ear bear b
ear b
ushing rushing r
ushing rushing r
ushing r
eneene
eneene
ene
ww
ww
w
al, dral, dr
al, dral, dr
al, dr
aa
aa
a
wbarwbar
wbarwbar
wbar
(all TRA(all TRA
(all TRA(all TRA
(all TRA
CKER models)CKER models)
CKER models)CKER models)
CKER models)
If too much play is found in the drawbar the wear
bushes must be renewed.
1. Place stop wedges in front of and behind both wheels.
2. Jack up the frame and support it properly.
3. If not a SELF TRACK model: Remove the drawbar
extension to reduce the weight of the drawbar.
4. Loosen the two bolts A and support the bracket B in
order to keep it in a level position (e.g. by a rope
fastened to the platform railing).
5. Without dismantling the hydraulic system the hydrau-
lic rams are removed from the drawbar by loosening
the nuts C.
6. Support the drawbar and remove the two pin bolts D,
the washer E and the pin F.
7. Move the drawbar to the side and support it.
8. Press out the worn bushes and fit new ones.
9. Assemble again in reverse order.
10. Grease through grease nipples.
11. Fit the extension piece in the drawbar again and
place the sprayer on the support leg.
12. Remove jack and wedges.
Cone cCone c
Cone cCone c
Cone c
hechec
hechec
hec
k/rk/r
k/rk/r
k/r
eneene
eneene
ene
ww
ww
w
al, EVal, EV
al, EVal, EV
al, EV
C distribC distrib
C distribC distrib
C distrib
utionution
utionution
ution
vv
vv
v
alvalv
alvalv
alv
ee
ee
e
Periodically check the distribu-
tion valves for proper sealing.
Do this by running the sprayer
with clean water and open all
distribution valves.
Cautiously remove the clip A
and pull out the hose B for the
pressure equalisation device.
When the housing is drained,
there should be no liquid flow
through the pressure equalisa-
tion device. If there is any
leakage, the valve cone E
must be changed.
Remove the clip C and lift the
motor housing off the valve
housing. Then unscrew the
screw D and replace the valve
cone E. Reassemble in
reverse order.
WW
WW
W
ear bear b
ear bear b
ear b
ushing rushing r
ushing rushing r
ushing r
eneene
eneene
ene
ww
ww
w
al, boom liftal, boom lift
al, boom liftal, boom lift
al, boom lift
The wear bushes are inspected and renewed before
they are worn through.
1. Connect the trailer to a tractor and unfold the booms
to working position.
2. Lift the boom centre frame with a lifting device and
support it until the load is taken off the parallelogram
arms.
3. Remove the screws A, and pull out the pins B at one
of the upper parallelogram arms and renew the wear
bushes.
4. Refit the arm.
5. Repeat this on the other upper arm.
T191-0012
T251-0017
D
C
A
B
E