21
6.2
Low pump outlet
Cause
Corrective action
Check suction hose
Hose collapsed, cut or
punctured
Replace hose
Strainer not completely
underwater
Sink strainer and end of
suction hose completely
underwater
Air leak at connector
Replace sealing washer if
damaged or missing. Tighten
hose connector and clamp
Strainer clogged
Clear debris from strainer
Check discharge hose
Hose damaged, too long or
diameter too small
Replace discharge hose
Measure suction and
discharge head
Excessive head
Relocate pump and hose to
reduce head
Check engine
Engine lacks power
See engine trouble shooting
above
9. SPECIFICATION
6.3
Model
HY25-4
HY40-4
Engine type
152F
152F
Engine size - cc
99
99
Fuel type
Unleaded petrol
Unleaded petrol
Oil capacity - l
0.4
0.4
Noise Level – dB
78
78
Idle speed - rpm
3600
3600
Max power @ 3600 rpm - kW
1.1
1.1
Start method
Recoil
Recoil
Intake diameter – mm/”
25mm / 1
40mm / 1.5
Outlet diameter – mm/”
25mm / 1
40mm / 1.5
Max flow rate – l/min
85
170
Max run time
2
2
Impeller type
Cast iron
Cast iron
Total lift – m
10
10
Suction lift – m
4
4
Maximum solids – mm
Nett weight - kg
12
12
Dimensions – mm
380 x 310 x 390
380 x 310 x 390
