Zetor HORTUS HS Series, Operator'S Manual

Page: 133 / 142

Clutch, Brake and Hydraulic System Troubleshooting
* For other hydraulic problems, contact an authorized service that has the correct equipment to perform
diagnostics and repair the system.
PROBLEM CAUSE CORRECTIVE MEASSURE
Clutch Clutch slips

Incorrect adjustment

Adjust the clearance

Worn or burned lining

Have it repaired by an
authorized service
The clutch does
not disengage

Incorrect adjustment,
rusty lining

Adjust the clearance,
contact an authorized
service center
Brake Brakes do not
work

Incorrect clearance
adjustment, worn or burnt
lining

Adjust the clearance,
contact an authorized
service center
Brake pedal
does not return

Defective return spring,
lack of lubricant in the
bearings

Replace the spring

Remove rust and
lubricate
Hydraulic
System
Hydraulics does
not lift

Engine speed is too low

Lack of transmission oil

Air leaks from the lines

Suction filter clogged

Defective pump

Defective hydraulic
distributor

Defective hydraulic valve

Increase the engine
speed

Refill the oil to the correct
level

Tighten the connections,
or replace the pipe and
sealing O-ring

Clean the filter and
change oil

Contact an authorized
service center

Contact an authorized
service center

Contact an authorized
service center
Oil leaks from
lines

Loose line connections,
cracked lines

Tighten the connections

Repair or replace the
lines
Whistling
sounds when
lifting

Incorrectly adjusted
limiter

Adjust the limiter
TROUBLESHOOTING
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