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Section 8: Troubleshooting
ZT60 & ZT72 Zero Turning Radius Mowers Riding Mowers Accu-Z
®
357-103M
8/26/08
Land Pride
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
For additional causes See engine manual
Engine cranks but does not start
No fuel in fuel tank Fill fuel tank
Fuel tank valve turned to “OFF” Select a fuel tank with gasoline
See Figure 5-14 on page 42
Fuel tank valve turned to an empty
tank
Switch fuel valve to the other tank
See Figure 5-14 on page 42
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)
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
Hydro-Drive
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