ATTACHMENTS
12B-3
SECTION 12B. 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. Cutting blades do not turn a. Mower switch not on
b. Mower is jammed
c. Mower drive belt failure
d. Mower switch malfunctioning
e. Drive motor malfunctioning
f. Deck valve malfunctioning
a. Pull switch to “CUT” position
b. Clean mower
c. Replace belt
d. Test and replace (Section 10)
e. Test and replace motor
(Section 8)
f. Test, repair, or replace deck
valve (Section 8)
2. Mower turns slowly a. Engine rpm slow
b. Drive motor malfunctioning
c. Deck valve malfunctioning
d. Gear pump malfunctioning
a. Increase engine rpm
b. Test and replace motor
(Section 8)
c. Test, repair, or replace deck
valve (Section 8)
d. Test, repair, or replace gear
pump (Section 8)
3. Ragged cutting a. Blade damaged or dull
b. Mower deck or flail mower
frame damaged
c. Caster wheel air pressure low
d. Caster wheels broken or
damaged
a. Sharpen or replace blade
b. Inspect, repair, or replace
mower deck or flail mower
frame
c. Check tire pressure
d. Repair or replace caster
wheel components
4. Uneven cutting a. Cutting height not adjusted
properly
b. Loose or broken blades
c. Mower deck or flail mower
frame damaged
d. Caster wheel air pressure low
e. Caster wheels broken or
damaged
f. Deck not properly leveled
a. Adjust cutting height
(Section 12D and
Section 12E)
b. Repair or replace
(Section 12D and
Section 12E)
c. Inspect, repair, or replace
mower deck or flail mower
frame
d. Check tire pressure
e. Repair or replace caster
wheel components
f. Level deck
12B
To Next Page
Loading...
Need help?
General
