Jacobsen HR5111 Service And Repair Instructions page 17

PROBLEM
16. Engine shuts down when
implement switch is
pulled to the ON position.
17. Mowers do not come on
when implement switch is
pulled to the ON position.
Engine stays running.
18. Only one wing does not
come on.
19. Only the front mower
does not come on.
20. Engine shuts down
immediately when
operator leaves seat
(implement switch OFF).
SECTION 2B. FAILURE ANALYSIS
PROBABLE CAUSE
a. No operator in seat.
b. Faulty seat switch.
c. Faulty timing delay relay.
d. Faulty implement control switch.
e. Faulty wiring or bad electrical
ground.
a. Mowers not on the ground.
b. Direction control switches not
in the CUT position.
c. Faulty implement switch.
d. Faulty hydraulic system.
a. Mower not on the ground.
b. Arm interlock switch not closing.
c. Check solenoid plug LED,
ON — Push manual override.
Mower comes ON. Faulty
electrical circuit.
Mower does not come ON.
Faulty hydraulic circuit.
OFF
d. Jammed blades
a. Mower not on the ground.
b. Direction control switch not in
the CUT position.
c. Arm interlock switch not closing.
d. Check solenoid plug LED,
ON — Push manual override.
Reels come ON. Faulty electrical
circuit.
Mower does not come ON. Faulty
hydraulic circuit.
OFF
e. Jammed blades.
a. Faulty electrical circuit.
2B-3
CONTROLS
REMEDY
a. Set in seat.
b. Test (Section 10G).
c. Test/replace (Section 10H).
d. Test (Section 10G).
e. Test (Section 10C).
a. Lower.
b. Push into CUT.
c. Test (Section 10G).
d. See Section 8B.
a. Lower.
b. Check switch (Section 10G).
c. See Section 10B.
See Section 8B.
See Section 10B.
d. Clean out under deck.
a. Lower.
b. Push into CUT.
c. Check switch (Section 10G).
d. See Section 10B.
See Section 8B.
See Section 10B.
e. Clean out under deck.
a. See Section 10B.
2B