Snorkel A38E Parts And Service Manual page 133

4.21 REPLACEING THE GP400
CONTROL MODULE
If for any reason you have to replace the GP400 control
moduale it is important that you complete the following
procedures:
W A R N I N G
If the GP400 control module is replaced and /or moved
with the machine for any reason the tilt sensor must be
result for zero º and the loadcell re-calibrated using the
following procedure.
Failure to do so could result in serious injury or death.
To follow this procedure you need to switch the Ezcal
display in the lower control box into "Calibration mode".
To zero the tilt sensor :-
1. Place the machine on firm level surface,
2. Use a Gauge to Confirm that the front and rear
of the chassis are level to within +/- 0.25° in both
directions.
3. Switch the machine on and press and hold Esc
for 5 Seconds until "Ezlift Menu" is displayed.
4. Scroll to access level.(Enter)
5. Enter code 2222 for access level 2. (Enter)
6. Scroll to setups. (Enter)
7. Change defaults. (Enter)
8. Select Part number 1 (Enter)
9. Scroll to model
10. 1 = code(Enter followed by ESC)
11. Scroll to tilt setups. (Enter)
12. Calibrate level. (Enter)
13. Enter for yes.
To confirm calibration has worked switch the machine off
then back on again.
14. Scroll to Diagnostics. (Enter)
15. System. (Enter)
16. Scroll to tilt, both reading should be below 0.2° if
not repeat from 5.
Maintenance Process
Now Re-Calibrate the loadcell:-
17.
18.
19.
20.
21.
22.
23.
≤ 0.25°
Esc to leave
Sub-Menu
without saving.
Scroll to setups. (Enter)
Scoll to load setups. (Enter)
Scoll to Calibrate load (Enter)
Redo loaded? Press up arrow for yes, place SWL
in basket and press enter twice.
Redo empty? Press up arrow for yes, remove
load from platform and press enter twice.
Use arrow to enter calabration date and press
Enter.
Place 120% of SWL in the platform and verify
that the lift function cuts out automatically when
raised off the boom switch.
Display
ESC
Scroll
Left/Right
Section Section
4.21 4.21
Change Entry
Up / Down
Enter to Save
ENTER
Entry
4-29