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Section 8: Troubleshooting
ZT60i & ZT72i (S/N 748109-) Accu-Z
®
Zero Turn Mowers 357-398M
4/1213
Table of Contents
Section 8: Troubleshooting
Symptoms
Probable Causes
Suggested Remedies
Starting motor does not crank
Control lever is not in park position or
park switch is out of adjustment
Place control handle in park.
Re-adjust park position switch
Blade Engagement switch is engaged
Disengage blade switch
Weak or dead battery
Recharge or replace
Park Brake is in “OFF” Position
Place Park Brake in “ON” Position
Re-adjust park brake position switch
For additional causes
See engine manual
Engine cranks but does not start
Fuel tank valve turned to “OFF”
Select a fuel tank with gasoline
See Figure 5-15 on page 44
Fuel tank valve turned to an empty tank
Switch fuel valve to the other tank
See Figure 5-15 on page 44
Fuel filter or fuel line is plugged
Replace fuel filter or fuel line
Numerous
See engine manual
Engine:
Runs with continuous misfiring or
engine runs unevenly or erratically
Numerous
See engine manual
Grass cutting is ragged or uneven
Dull, bent or broken cutting blades
Sharpen or replace cutting blades
Deck full of wet sticky grass
Clean underside of deck
Cutting Blades are not operating at full
engine speed
Increase engine rpms to full speed (3600 rpm)
Check engine speed with Land Pride Inductive
Tachometer, Part No. 890-909C
Belt over center take-up is loose
Tension over center take-up
Worn or broken belt
Replace worn and broken belts
Deck is not level
Check air pressure in all 4 tires
Make level adjustments to the deck
Loss of power or system will not
operate in either direction
Bypass valve open
Close bypass valve
Linkage bolt is loose or lost
Replace linkage bolt
Bad ground drive belt and/or pump idler
pulley
Replace belt and/or idler pulley Tighten idler
pulley if loose
Loose, lost or broke idler pulley spring
Reattach or replace idler pulley spring
Restrictions in air cleaner
Service air cleaner
Internal interference or leakage in
Hydraulic pump or motor
See your dealer
Insufficient hydraulic oil supply
Check hydraulic oil level in expansion tank and
add oil if needed
Poor compression
See your dealer
Steering linkage needs adjustment
Adjust linkage
Air in system
Check filter & fittings
For additional causes
See engine manual
Overheating
Air intake screen or cleaning fins clogged Clean screen and fin
Not operating engine at rated speed
Increase engine speed to 3600 rpm
For additional causes
See engine manual