Textron Jacobsen Super LF 1880 Fairway Mower with ROPS, Service & Repair Instructions

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STEERING
6B-3
SECTION 6B. FAILURE ANALYSIS
GENERAL
The following table lists common problems, probable
causes, and suggested remedies with section refer-
ences to detailed descriptions of remedial procedures.
PROBLEM PROBABLE CAUSE REMEDY
1. Noisy when steering wheel is
turned
a. Low hissing sound
b. Relief valve squeals when
steering to maximum turn
a. Normal
a. Normal
2. Steering wanders a. Tire pressure incorrect
b. Loose or worn steering cylin-
der
c. Steering cylinder internal
leakage
d. Steering wheels out of adjust-
ment
a. Properly inflate tires
(Section 7C)
b. Tighten or repair (Section 6D)
c. Repair (Section 6E)
d. Adjust (Section 6D)
3. Shimmy a. Tire mounting nuts loose
b. Loose or worn steering link-
age
c. Steering cylinder internal
leakage
d. Steering wheels out of adjust-
ment
a. Tighten (Section 7C)
b. Tighten or repair (Section 9F)
c. Repair (Section 6D)
d. Adjust (Section 6E)
4. Hard steering in one direc-
tion
a. Internal failure of steering unit
b. Loose or worn steering link-
age
a. Repair (Section 6C).
b. Tighten or repair (Section 9F)
5. Hard steering in both direc-
tions
a. Tires under-inflated
b. Low hydraulic oil level
c. Low oil pressure
d. Steering unit failure
a. Inflate tires (Section 7C)
b. Check oil level (Section 11)
and add oil if required
c. Check traction pump relief
(Section 8O)
d. Test steering unit
(Section 8O)
6. Lost motion at steering
wheel
a. Steering wheel loose
b. Loose or worn steering link-
age
c. Steering cylinder internal
leakage
d. Steering unit internal leakage
e. Excessive heat, hot oil
a. Tighten
b. Tighten or repair (Section 9F)
c. Repair (Section 6D)
d. Repair (Section 6C)
e. Check oil cooler and clean if
necessary
6B