50
- FORM NO. 56043093 / Captor
™
4300, 4800, 5400
SCRUB SYSTEM
TROUBLESHOOTING GUIDE
Possible Symptom
1
Scrub deck will not raise
Part B: Hydraulic Load Circuit
Note: All tests should be done with the engine running in high speed (2400 rpm).
*Note: See hydraulic system manual section for more troubleshooting information.
Scrub deck will not raise
Press the scrub off switch. Is the
scrub deck cylinder in relief?
Repair or replace
damaged parts.
Does scrub deck function?
Remove and disassemble L3 & L4
scrub deck spool valve (cartridge)
inspect, clean and reinstall.
Does scrub deck function?
Replace defective
cartridge.
Does the scrub
deck raise?
No
Yes
Inspect for possible
mechanical binding of:
scrub deck mount linkage
scrub deck cylinder.
*Insert a pressure gauge
at the XT3 pressure fitting.
Test the (8) relief valve
found on squeegee brush
cylinder valve block
(800 psi).
No
Adjust, clean or replace
#8 relief valve. Does
scrub deck function?
No
Yes
Yes
No
No
Does the squeegee raise?
Yes
See squeegee will not raise or
lower section.
No
No
No
Scrub deck will not reach its
correct position?
Inspect for possible mechanical
binding of:
•
Scrub deck mount linkage
•
Scrub deck cylinder
Repair or replace damaged parts.
Does squeegee function?
Replace cylinder
No
Yes
No
Содержание Captor 4300
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