Jacobsen HR5111 Service And Repair Instructions page 16

CONTROLS
PROBLEM
8. Instrument(s) do not
work.
9. No cruise control when
turned ON.
10. Cruise control drops
OFF after being set.
11. Speed does not stay
set (slips).
12. Cruise control does not
shut OFF.
13. No 4 wheel drive.
14. No differential lock.
15. Glow plugs do not
come on.
SECTION 2B. FAILURE ANALYSIS
PROBABLE CAUSE
a. Faulty wiring or bad electrical
ground.
b. 10 amp gauge/panel light circuit
breaker tripped.
a. 10 amp cruise/horn circuit
breaker tripped.
b. Service brake applied.
c. Service brake switch not
adjusted.
d. Faulty electrical circuit.
a. Faulty holding relay.
b. Service brake switch not adjusted.
c. Faulty cruise control switch.
d. Weak/faulty magnet.
a. Cruise magnet gap too big.
b. Too steep of an incline.
c. Faulty cruise magnet.
a. Faulty holding relay.
a. 4 wheel drive switch not ON.
b. Reverse sensing switch not
adjusted.
c. Faulty electrical circuit.
d. Faulty hydraulic system.
a. Differential lock switch not
pushed ON.
b. Faulty hydraulic circuit.
c. Faulty electrical circuit.
a. Parking brake not set.
b. Implement switch not in the
OFF position.
c. 50 amp tractor circuit breaker
tripped.
d. 10 amp shut-off system circuit
breaker tripped.
e. 50 amp glow plug/light circuit
breaker tripped.
f. Faulty glow plug switch.
g. Faulty glow plugs.
h. Faulty glow plug relay.
i. Faulty ignition switch.
2B-2
REMEDY
a. Test (Section 10C).
b. Reset/test (Section 10J).
a. Reset/test (Section 10J).
b. Release.
c. Adjust (Section 2C).
d. See Section 10B.
a. Test/replace (Section 10H).
b. Adjust (Section 2C).
c. Test (Section 10G).
d. Replace.
a. Clean, check spring.
b. Destroke traction pedal.
c. Replace.
a. Test/replace (Section 10H).
a. Turn ON.
b. Adjust (Section 2C).
c. See Section 10B.
d. See Section 8B.
a. Push ON.
b. See Sections 6B and 8B.
c. See Section 10B.
a. Set brake.
b. Push into OFF position.
c. Reset/test (Section 10J).
d. Reset/test (Section 10J).
e. Test (Section 10J).
f. Test (Section 10G).
g. Test/replace (Section 10L).
h. Test/replace (Section 10H).
i. Test (Section 10G).