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Section 8: Troubleshooting
11/05/10
Z48, Z54, ZSR54 & ZSR60 Accu-Z Razor
®
Zero Turn Mowers 357-344M
Table of Contents
Overheating
Air intake screen or cleaning fins clogged Clean screen and fins
Not operating engine at rated speed
Increase engine speed to 3600 rpm
Other causes
See Engine Operator’s Manual
Low oil pressure
(Indicated by oil light on while
engine is running.)
Low oil level
Add oil
Oil diluted or too light
Change oil and check for source of
contamination
High oil consumption
Other causes
See your dealer
Mower jerky when starting or oper-
ates in one direction only
Steering control linkage needs
adjustment
Adjust linkage See “Steering Adjustments” on
page 24
Hydro-drive faulty
See your dealer
Hydraulic system operates hot
Hydro-drive faulty
See your dealer
Not operating engine at rated speed
Increase engine speed to 3600 rpm
Steering levers do not return to neu-
tral
Steering linkage rods are out of
adjustment
Adjust linkage See “Steering Adjustments” on
page 24
Steering linkage rods are bent, broken or
missing.
Replace steering linkage rods
See item 14 on page 45
Transaxle neutral return spring is broken
or missing
Replace transaxle neutral return spring
Mower creeps when steering con-
trol levers are in neutral
Transaxle neutral return spring is broken
or missing
Replace transaxle neutral return spring
Mower circles or veers in one direc-
tion
Steering linkage needs adjustment
Adjust linkage See “Steering Adjustments” on
page 24
Hydro-drive faulty
See your dealer
Symptoms
Probable Causes
Suggested Remedies