CONTROLS
2B-3
SECTION 2B. 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. Engine does not turn over a. Not in neutral
b. Electrical fault
c. Neutral start switch not
adjusted or faulty
d. Dead battery
a. Check neutral position
b. See Electrical Failure Analy-
sis (Section 10B)
c. Adjust (Section 2C)
Check (Section 10G)
d. Charge battery or replace as
necessary
2. Engine speed does not
increase when throttle con-
trol is moved
a. Throttle control is not properly
adjusted
b. Throttle control is broken
a. Adjust (Section 2C)
b. Repair or replace
(Section 2C)
3. The unit “creeps” in either
direction when the treadle
pedal is not depressed
a. Traction pedal linkage out of
adjustment
b. Centering spring out of
adjustment
a. Adjust traction (Section 2C)
b. Adjust centering spring
4. Parking brake fails a. Brake not adjusted
b. Worn brake shoes
c. Damaged or broken linkage
a. Adjust brake (Section 2C)
b. Replace pads (Section 5C)
c. Repair as necessary
5. Mower deck does not lift or
lower properly as lever is
activated
a. Control valve leaking or
defective
b. System relief valve too low
c. Faulty lift cylinder
d. Faulty charge pump
a. Test valve (Section 8L)
Repair valve (Section 8I)
b. Adjust (Section 8L)
c. Test cylinder (Section 8L and
Section 8M)
d. Test pump (Section 8M)
6. Slow traction speed a. Engine rpm too low
b. Pedal linkage not adjusted
c. Parking brake not releasing
d. Faulty hydro
a. Adjust (Section 2C)
b. Adjust (Section 2C)
c. Adjust (Section 2C)
d. Test hydro pump
(Section 8M)
2B
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