FORM NO. 56043093 / Captor
™
4300, 4800, 5400 -
23
TROUBLESHOOTING GUIDE
Possible Symptom
1
All the machine accessory system’s functions (operations) do not work. Example: no brush, broom, vacuum, and hopper functions etc.
Part B: Hydraulic Load Circuit
Note: Do all testing with Key Switch ON.
*Note: See hydraulic manual section for system specifications (relief valves, pumps, motors etc.).
No
No
Yes
Yes
Have you lost both of
the machine hydraulic
systems,
Drive and Accessory
Does wheel drive motor
move the machine
See wheel drive system
troubleshooting
Defective drive coupler
between engine and
propulsion pump.
Repair or replace the
coupler
Yes
No Hydraulic
Accessories Work
Do some accessory
functions work? If so
see chart belowfor
appropriate pump circuit
*Pump circuit 2 poor or no
performance of steering
system, dump door, hop-
per lift, engine fan, dust
control and side brooms
Failure of the propulsion
coupler input to the front
accessory pump repair
or replace the faulty
pump
*Pump circuit 3 poor or
no performance of scrub
motors, scrub deck
up/down and squeegee
up/down
*Pump circuit 1 poor or
no performance of main
broom, vac fan and
hydraulic charge line
Adjust, clean or replace
#1A relief valve.
Does the system
function?
Adjust, clean or replace
#1 relief valve.
Does the system
function?
Adjust, clean or replace
#1B relief valve.
Does the system
function?
Repair or replace pump
Repair or replace pump
Repair or replace pump
Yes
Yes
Yes
No
No
No
No
Содержание Captor 4300
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