Service Manual

4-3
Digital Edition - TITAN® HD Service Manual
January 2018
Table of Contents
TROUBLESHOOTING
Troubleshooting
Troubleshooting (Cont.)
Problem Possible Cause Next Step...
Engine loses power The engine load is excessive. Reduce the ground speed.
The air cleaner is dirty. Clean the air cleaner element.
The oil level in the crankcase is low. Add oil to the crankcase.
The cooling fins and air passages
above the engine are plugged.
Remove the obstruction and
thoroughly clean cooling fins and the
air passages.
The vent hole in the fuel cap is
plugged.
Clean or replace the fuel cap.
There is dirt in the fuel filter. Replace the fuel filter.
There is dirt, water, or stale fuel in
the fuel system.
Clean and flush the fuel system.
The engine overheats The engine load is excessive. Reduce the ground speed.
The oil level in the crankcase is low. Add oil to the crankcase.
The cooling fins and the air
passages above the engine are
plugged.
Remove the obstruction and
thoroughly clean cooling fins and the
air passages.
The mower pulls to the left or
right (with levers fully forward)
The tracking needs adjustment. Adjust the tracking.
The tire pressure in the drive tires is
not correct.
Adjust the tire pressure in the drive
tires.
The machine does not drive The bypass valves are not closed
tight.
Tighten the bypass valves.
The pump belt is worn, loose or
broken.
Change the belt.
The pump belt is off a pulley. Change the belt.
The idler spring is broken or
missing.
Replace the spring.
The hydraulic oil level is low or too
hot.
Add hydraulic oil to the reservoirs or
let it cool down.
The machine vibrates
abnormally
The cutting blade(s) is/are bent or
unbalanced.
Install new cutting blade(s).
The blade mounting bolt is loose. Tighten the blade mounting bolt.
The engine mounting bolts are
loose.
Tighten the engine mounting bolts.
The engine pulley, idler pulley, or
blade pulley is loose.
Tighten the appropriate pulley, check
to make sure idler springs are not
over stretched.
The engine pulley is damaged. Replace the engine pulley.
The blade spindle is bent. Replace the spindle.
The motor mount is loose or worn. Check the mounting bolts.