Kinze 3140 Stack Fold Planter Rev. 7/14 - Manual (Page 128)

M0245-01 Model 3140
6-22 9/12
TM
Lubrication and Maintenance
RELIEF VALVE CARTRIDgE
Pressure relief valve located in valve block below vacuum fan motor assembly helps prevent damage to vacuum fan motor by
limiting pressure in the motor case drain line. It is set to open at 35 PSI. If valve fails to function properly, it should be removed
for inspection. Check for foreign material and contamination on valve and the seating area of valve body. Replace if defective.
NOTE: Case drain pressure will build if the case drain hose to the tractor is connected where pressure is present.
CHECK VALVE (VACUUM FAN)
Check valve located in valve block below vacuum fan motor assembly operates as a return line check to prevent vacuum fan
motor reverse operation. Remove and inspect valve If it does not operate properly. Check for foreign material and if O-ring is
leaking internally. Replace if defective.
FLOw CONTROL VALVE
The optional dual lift assist wheels flow control valve should be adjusted as part of the assembly procedure or upon
initial operation.
If the valve fails to function properly or requires frequent adjustment, the needle valve should be removed for
inspection. Check for foreign material and contamination on both the valve and the seating area of the valve body.
Replace any components found to be defective.
NOTE: The flow control valve must be installed with the arrow pointed toward the planter.
NOTE: when oil is cold, hydraulics operate slowly. Make sure all adjustments are made with warm oil.
NOTICE
Connect hydraulic motor case drain to a case drain return line with
zero pressure on tractor or hydraulic motor will be damaged. DO
NOT connect hydraulic motor case drain to SCV outlet. Contact
tractor manufacturer for specific details on “zero pressure return”.