Jacobsen HR5111 Service And Repair Instructions page 187

HYDRAULIC INSTRUMENT TEST DATA SHEET
Charge Relief
Steering Relief
Lift System Relief
Traction System Relief
Mower System Relief
Charge Pump
NO LOAD
@ 1500 psi
Conclusion
Priority Valve
Flow increases to
Flow increases to
Conclusion
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.
SECTION 8R. INSTRUMENT TEST
RELIEF VALVE TESTS
Forward
Reverse
Front Motors
Left Wing Motors
Right Wing Motors
FLOW TESTS
________ gpm
________ gpm
________ gpm drop
4.5 to 5.0
________ gpm
________ gpm
________ gpm drop
8R-23
Actual Settings
_____ psi 190–250 psi
_____ psi 1500 psi
_____ psi 1500 psi
_____ psi 3500 psi
_____ psi 3500 psi
_____ psi 3000 psi
_____ psi 3000 psi
_____ psi 2600 psi
@ engine rpm ________
@ engine rpm ________
@ engine rpm drop ________
@ engine rpm ________
@ engine rpm ________
@ engine rpm drop ________
HYDRAULICS
2800
8R