37 - 4
Section D Controls
9803/3280
Section D
37 - 4
Issue 1
Precision Control (Servo)
NO
NO
NO
YES
YES
YES
Is the associated joystick mechanical
linkage worn or wrongly adjusted?
START
Is the associated service spool in the
excavator valve sticking?
Clean and renew components as
applicable.
Rectify as applicable.
Renew or adjust components as
applicable.
Inspect the associated pilot spool
valve capsule for signs of wear,
damage or contamination. Is the
valve in good working order?
A402380
See Service Procedures, Control
Linkage Adjustment.
See Pilot Control Valves, Dismantling
Inspection and Assembly.
See Section E, Hydraulics Fault
Finding, ' A spool is sticking'.
See Section E, Hydraulics Fault
Finding, ' One hydraulic service fails
or is slow to operate'.
Fault Finding
Chart C - One Backhoe Service fails or is Slow to Operate
www.WorkshopManuals.co.uk
Purchased from www.WorkshopManuals.co.uk
To Next Page
Loading...
Need help?
General
