Fuel tank empty
Many common problems with sewer and hydro-jetters can be easily resolved with basic troubleshooting. Our troubleshooting guide can help you diagnose and fix problems with engine start-up, water pressure and flow, brake systems, and so on. We recommend you consult your Spartan owner's manual for additional operating information and to contact your Territory Manager for questions about your jetter performance.
Symptom: Engine will not run
CAUSES | REMEDIES |
---|---|
|
Fill fuel tank and bleed air from fuel system (see engine operator's manual) |
Fuel valve shutoff |
Turn fuel valve on |
Water level low |
Fill water tank or check low water shut-down |
Oil pressure low |
Check oil line to rear of unit, replace as required |
Coolant temperature high |
Check coolant level and thermostat, refill and replace as needed |
Symptom: Low pressure or flow
CAUSES | REMEDIES |
---|---|
Clogged inlet filter |
Clean inlet filter element |
Jetting nozzle worn |
Check for wear of nozzle orifice, replace if necessary (use only approved jetting nozzle) |
Symptom: Erratic flow pressure
CAUSES | REMEDIES |
---|---|
Worn or dirty pump valves |
Clean or replace |
Worn or dirty regulator valves |
Clean or replace |
Worn jetting nozzle |
Replace jetting nozzle (use only approved jetting nozzle) |
Symptom: Noisy pump
CAUSES | REMEDIES |
---|---|
Low oil level |
Add or replace oil |
Worn or dirty valves |
Clean or replace |
Bad bearings |
Inspect and replace as required |
Symptom: No brakes
CAUSES | REMEDIES |
---|---|
Open circuits |
Find and correct |
Severe underadjustments |
Adjust brakes |
Faulty controller |
Test and correct |
Short circuits |
Find and correct |
Symptom: Weak brakes
CAUSES | REMEDIES |
---|---|
Grease or oil on magnets or linings |
Clean or replace |
Corroded connections |
Clean and correct cause of corrosion |
Worn linings or magnets |
Replace |
Scoured or grooved brake drums |
Machine drums or replace |
Improper synchronization |
Correct |
Underadjustment |
Adjust brakes |
Glazed linings |
Refurnish or replace |
Overloaded trailer |
Correct to proper load size |
Symptom: Weak brakes
CAUSES | REMEDIES |
---|---|
Underadjustment |
Adjust brakes |
Improper synchronization |
Correct |
Faulty controller |
Test and correct |
Loose, bent, or broken brake components |
Replace components |
Out-of-round brake drums |
Machine drums or replace |
Insufficient wheel load |
Adjust system resistor and synchronize |
Breakaway protection activated |
Reset breakaway protection |