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Section 8: Troubleshooting
ZSR54, & ZSR60 Accu-Z Razor
®
Zero Turn Mowers 357-344M
Table of Contents
7/01/14
Section 8: Troubleshooting
Troubleshooting Chart
Symptoms
Probable Causes
Suggested Remedies
Starting motor does not crank
Control levers are not in neutral position
and fully out
Place control lever in neutral and fully out.
Park brake not engaged (ON)
Engage park brake
Control lever interlock switch is not
adjusted correctly
Have your dealer re-adjust the interlock
switch.
Blade Engagement switch is engaged
Disengage blade switch
Weak or dead battery
Recharge or replace
Loose or broken switches
and/or damaged electrical wiring.
Repair or replace switches and electrical
wiring
Other causes
See Engine Operator’s Manual
Engine cranks but does not start
No fuel in the fuel tanks
Fill tank
Fuel filter and/or fuel line plugged
Replace fuel filter and/or fuel line
Fuel tank valve turned to “OFF”
Select a fuel tank with gasoline
See Figure 5-14 on page 39.
Fuel tank valve turned to an empty tank
Switch fuel valve to the other tank
See Figure 5-14 on page 39.
Other causes
See Engine Operator’s Manual
Engine:
Runs with continuous misfiring or
engine runs unevenly or erratically
Other causes
See Engine Operator’s 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 belt
See “Belt Maintenance” on page 40
Deck is not level
Check air pressure in all 4 tires
Make level adjustments to the deck
See “Deck Cutting Height And Leveling” on
page 26
Loss of power or system will not
operate in either direction
Bypass valve is open
Close bypass valve
See “Moving Mower with Stalled Engine” on
page 18
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 broken belt take-up rod
Reattach or replace belt take-up rod
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 See “Seat Adjustment” on
page 24
Air in system
Check filter & fittings
Other causes
See Engine Operator’s Manual
