Grove
Published 01-14-2021 Control # 707-01
2-63
TMS9000-2 SERVICE MANUAL
HYDRAULIC SYSTEM
2
4.
Stop engine. Remove diagnostic couplers.
K. Procedure for Adjusting Electronic
Controllers (Meter-in Dead Band
and/or Max Function Speeds)
All controller E-prom settings should be set to factory
defaults specific to the crane model. This procedure should
only be used if there is an issue with the crane controller
functions and the following have been tried.
•
All function pressure are set correctly per this procedure
•
Operator has tried adjusting the function speed thru the
CCS control screens
•
Operator has tried adjusting the function control thru the
CCS control screen selectable curves
Follow the steps listed below for any function which the
operator feels the meter-in dead band in the controller is
either too fast or slow, or if the max function speed is verified
to be slower or faster than designed (see flows show on
system schematic).
For meter-in too fast – lower Imin setting
For meter-in too slow – raise Imin setting
For low function flow– raise Imax setting (DO NOT EXCEED
1500 mA)
For high function flow – lower Imax setting
1.
Follow the service tool notes then do the following.
2.
Current range settings for each function can be found in
the Crane Service Tool in the menu bar under Tools-
>EEprom->View
Parameters->Super->Proportional
Valves->Proportional Valve Params->Main Hoist Up
Valve Params. An example is shown for Main Hoist Up.
FIGURE 2-45
9266-15
Steering relief
Fo
r
Reference
Only