Troubleshooting - Gravely Pro-Turn 400 Series Operator's Manual

Problem
Engine does not
start.
Engine runs rough.
Engine overheats.
Engine runs when
ignition key is in the
off position.
Unit does not drive.

TROUBLESHOOTING

Probable Cause
PTO switch is in the on position.
Parking brake is released.
Fuel tank is empty.
Fuel supply is contaminated.
Battery is not charged.
Battery cables are loose or
corroded.
Spark plug wire(s) are loose or
spark plug(s) are faulty.
Safety Interlock System is not
engaged or is faulty.
Electrical system is faulty.
Engine is faulty.
Choke control lever is engaged.
(Models 992273, 992275,
992276)
Fuel tank is empty.
Spark plug is faulty.
Fuel filter is dirty.
Air filter cartridge is plugged.
Engine is faulty.
Engine oil level is low.
Cooling fins are plugged.
Engine is faulty.
Ignition ground wire is
disconnected.
Ignition switch is faulty.
Parking brake is engaged.
Transaxles are bypassed.
Transaxle drive belt is faulty.
Transaxles are faulty.
Transaxle drive system is faulty. Contact your Gravely dealer.
Hydraulic oil level is low.
Correction
Push PTO switch down to off
position.
Engage parking brake.
Fill fuel tank. See Before Operation
on page 18.
Replace with clean fuel.
Charge battery. See Charge Battery
on page 28.
Clean and tighten cables. See Clean
Battery on page 28.
Connect spark plug wire(s) or
replace spark plug(s). Refer to
engine manual.
Check Safety Interlock System. See
Before Operation on page 18.
Contact your Gravely dealer.
Contact your Gravely dealer.
Move lever to off position. See
Choke Control Lever on page 16.
Fill fuel tank. See Before Operation
on page 18.
Replace spark plug. Refer to engine
manual.
Clean or replace filter. Refer to
engine manual.
Clean or replace air filter cartridge.
Refer to engine manual.
Contact your Gravely dealer.
Add engine oil. Refer to engine
manual.
Clean engine. Refer to engine
manual.
Contact your Gravely dealer.
Connect ground wire to clean, metal
surface.
See your Gravely dealer.
Release parking brake.
Turn transaxle bypass valves to
operating position. See Move Unit
Manually on page 22.
Replace transaxle drive belt. See
Replace Transaxle Drive Belt on
page 36.
Contact your Gravely dealer.
Add hydraulic oil. See Check
Hydraulic System on page 25.
EN - 42