SDMO ST 2.36H, User And Maintenance Instructions, Page: 22 / 54

9. Troubleshooting
Probable causes Remedial action
Fuel level too low Fill up with fuel
The fuel tap is closed Open the fuel tap
Fuel supply blocked or leaking Have the system repaired
Air filter clogged Clean the air filter
Control at "
О
"
Switch the control to "
I
"
Faulty spark plug Replace the spark plug
The pump unit
will not start
Turbine is clogged Remove and clean
Probable causes Remedial action
Blocked ventilation inlets Clean the air inlet and outlet guards
The engine cuts
out
Oil cut-out triggered Check that there are no leaks and top up the level
Probable causes Remedial action
Air is entering at the suction side Check the path on the suction side
Loss of engine power Have the engine checked
Damage to mechanical seal Have the seal replaced
Suction side is too high Lower the operating height
Pipe is too long or kinked Shorten or straighten out the pipe
Liquid is leaking in the ducts Seal the leak
Turbine is clogged Remove and clean
The pump volume
is low
Turbine is worn Have the pump checked
Probable causes Remedial action
Air is entering at the suction side Check the path on the suction side
Not enough water in the pump body Fill correctly
Drain plug is not properly tightened Tighten the plug correctly
Engine not rotating correctly Have the engine checked
Automatic
priming fault
Air is entering through the mechanical seal Have the seal replaced
10. Specifications
Model(s) ST2.36H ST 3.60H TR2.36H TR 3.60H XT 3.78H
Engine type Honda GX 120 Honda GX 160 Honda GX 120 Honda GX 160 Honda GX 240
Nominal power 2.1 kW / 3600
rpm
2.9 kW / 3600
rpm
2.1 kW / 3600
rpm
2.9 kW / 3600
rpm
4.4 kW / 3600
rpm
Oil cut-out ● ● ● ● ●
Weight in kg 23 29 23 29 58
Fuel tank capacity in L 2.0 3.1 2.0 3.1 5.3
Recommended fuel Unleaded petrol Unleaded petrol Unleaded petrol Unleaded petrol Unleaded petrol
Spark plug NGK BPR6ES NGK BPR6ES NGK BPR6ES NGK BPR6ES NGK BPR6ES
Dimensions l x w x h in cm 46.8 x 36.2 x 38 50.5 x 41.4 x 44.8 46.8 x 36.2 x 38.0 50.5 x 41.4 x
44.8
69 x 48.5 x 53.2
Oil sump capacity in L 0.6 0.6 0.6 0.6 1.1
Recommended oil SAE 10W30 SAE 10W30 SAE 10W30 SAE 10W30 SAE 10W30
Suction diameter in mm 50 80 50 80 80
Discharge diameter in mm 50 80 50 80 80
Max flow in l/min 600 900 600 900 1340
Maximum elevation height in cm 30 26 29 26 27
Maximum suction height in cm 8 8 8 8 8
Type of liquid Coolant Coolant Coolant Coolant Coolant
Granulometry of liquid pumped (mm) 8 8 8 8 27
Sound pressure at 1m (db) 88 92 87 92 97
● : standard ○ : optional X: not possible
RAMIRENT