Alamo Interstater 803213C Operator's Manual page 167

Troubleshooting
The following shows various problems, the apparent cause, and the recommended procedure for their
correction.
PROBLEM
Mower will not rotate
Mower will not stop.
Intermittent mowing power.
Insufficient cutting power
or low Cuttershaft speed.
Hydraulic Oil overheating
Mower free to rotate.
Pump making loud noise.
Mower will not raise or
raises slowly.
INTERSTATER 03/09
© 2009 Alamo Group Inc.
MAINTENANCE
POSSIBLE CAUSE
In line Fuse blown.
Safety switch not making contact.
Broken Drivebelts.
On/Off Switch bad.
Insufficient voltage through
Solenoid.
Solenoid Spool will not shift
completely.
Solenoid Spool will not shift.
Safety Switch maladjustment
Electrical problem.
Bad Solenoid.
Drivebelts slipping.
Bound Shaft.
Relief Valve setting too low.
Solenoid Spool will not shift
completely.
Worn Pump or Motor.
Low Fluid level.
Relief Valve setting too high.
Obstruction in Power Circuit-Extra
or Will-Fit Parts.
Low Oil level.
Vacuum in reservoir.
Clogged Oil Filter.
Worn Pump.
Slow Gear Pump speed.
Relief Valve Setting too low.
Worn Gear Pump.
Worn Cylinder.
Worn Control Valve.
Maintenance Section 5-13
REMEDY
Replace Fuse.
Adjust or replace Safety Switch.
Replace Belts
Replace On/Off Switch
Check Coil and Wires.
Clean or replace Solenoid Cartridge.
Clean or replace Solenoid Cartridge.
Adjust Safety Switch.
Trace Electrical Circuit for short.
Replace Solenoid Coil.
Readjust Belt tension and check.
Free the Shaft.
Adjust Relief Valve.
Replace Valve Cartridge.
Replace or rebuild.
Fill to proper level.
Adjust Relief Valve.
Remove obstruction & Extra Items
which are not standard.
Add Hydraulic Fluid.
Clean or replace Vent Plug.
Replace Filter.
Replace or rebuild.
Check Belts, Idler Pulley, Spring.
Adjust Relief Valve.
Replace or rebuild.
Replace or rebuild.
Replace Valve Section.