High Performance Thermoplastic Engine Pump
• Thank you for choosing Koshin Semi-Trash Pump.
• This manual is prepared for your safety when operating pump. Please read carefully
and comprehend fully before use. (Wrong usage could cause injury or death.)
• Please keep this manual handy for future reference.
Nomenclature
Air cleaner
Priming plug
Fuel tank
cap
Frame
Specifications
Model
Connection Dia
Connection Thread
Total Head
Delivery Volume
Max. Suction Head
Model
Exhaust Volume
Output
Fuel
Fuel Tank capacity
Fuel Consumption Hour
Starting Method
Standard Accessory
Net Weight
OPERATION MANUAL
Delivery
Suction
Water drain
plug
STV-50X
2" (50mm)
Outer Pipe Thread
26m (85ft)
580L/min
(153USG/min)
8m (26ft)
Forced Air Cooled 4 Cycle Gasoline Engine
3.1kW (4.2PS)/3600rpm
Automobile Unleaded Gasoline
3.6L (0.95gal)
Approx. 2.6hour(full tank) Approx. 2.4hour(full tank)
Recoil Starter
1 Strainer, 1 Spanner, 1 Engine Tool Set,
2 Hose Coupling, 3 Hose Bands
29kg (63lb)
Performance curve
40
30
20
10
0
200
DELIVERY VOLUME (L/min)
STV-80X
3" (80mm)
900L/min
(238USG/min)
K180
179cc
30.9kg (68lb)
- 1 -
(USG/min)
100
200
STV-50X(K180)
STV-80X(K180)
400
600
800
Standard Accessories
1 Engine Tool Set
1 Spanner
2 Coupling Set
1 Strainer
3 Hose Bands
EN
(ft)
120
90
60
30
1000