Jacobsen HR 5111, Service And Repair Instructions

Page: 187 / 339

HYDRAULIC INSTRUMENT TEST DATA SHEET
RELIEF VALVE TESTS
Actual Settings
Charge Relief _____ psi 190–250 psi
Steering Relief _____ psi 1500 psi
Lift System Relief _____ psi 1500 psi
Traction System Relief
Forward _____ psi 3500 psi
Reverse _____ psi 3500 psi
Mower System Relief
Front Motors _____ psi 3000 psi
Left Wing Motors _____ psi 3000 psi
Right Wing Motors _____ psi 2600 psi
FLOW TESTS
Charge Pump
NO LOAD ________ gpm @ engine rpm ________
@ 1500 psi ________ gpm @ engine rpm ________
Conclusion ________ gpm drop @ engine rpm drop ________
Priority Valve
Flow increases to ________ gpm @ engine rpm ________
Flow increases to ________ gpm @ engine rpm ________
Conclusion ________ gpm drop @ engine rpm drop ________
LIFT SYSTEM TESTS
Front Mower and Lift Valve Isolation Test (check correct Conclusion)
_____ No oil leakage, mower does not come down.
_____ No oil leakage, mower comes down.
_____ Oil leaks from tee, mower comes down.
All Steps 16–19
_____ No oil leakage.
_____ Oil leaks from left cylinder.
_____ Oil leaks from right cylinder.
Left Wing Cylinder and Lift Valve Isolation Test (check correct Conclusion)
_____ No oil leakage, mower does not come down.
_____ No oil leakage, mower comes down.
_____ Oil leaks from cylinder port, mower comes down.
Right Wing Cylinder and Lift Valve Isolation Test (check correct Conclusion)
_____ No oil leakage, mower does not come down.
_____ No oil leakage, mower comes down.
_____ Oil leaks from cylinder port, mower comes down.
HYDRAULICS
SECTION 8R. INSTRUMENT TEST
8R-23
8R
4.5 to 5.0 2800