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PRODUCT

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ONCEPT AND MAIN APPLICATIONS

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S

pecification

S

tandard equipment

Note:

 The standard equipment for the tool shown above may vary by country.

Model No.

EW1050H

 Description

Engine Pump

Model EW1050H is 24.5cc 4-stroke engine pump to comply with 

all major exhaust emission regulations in the world.

It features the same pumping capacity as the predecessor EW120R,

but it is more cost effective than EW120R.

This product is also available with nozzle and 8m delivery hose 

as Model EW1050HX.

O

ptional accessories

Suction hose .......................... 1

Socket wrench ....................... 1

Hose coupling 

 

....................... 2 (for some countries only)  

Rapid type hose coupling ...... 2 (for some countries only)  

1 inch NPT adapter ............... 1 (for Canada, Mexico, Colombia, Chile, Peru and Brazil only)

Hose band 

 

............................. 3

Strainer  ................................. 1

Delivery hose (8m) 

 

............... 1 (for EW1050HX only)

Nozzle ................................... 1 (for EW1050HX only)

Rapid type Hose coupling set

Coupling for water supply hose (with Hose band)

8m Delivery hose (with Nozzle)

1 inch NPT adapter

Straight unleaded gasoline

*

2

Carburetor

Engine

Displacement: cm³ (cu.in.)
Fuel

Specifications

Model

Type

Net weight

*

3

: kg (lbs)

*2

 Brazil: 25E gasoline

*3

 Dry weight, without suction hose

EW1050H

In compliance with exhaust emission regulations: 

CARB Tier 3, EPA Phase 2, EU Stage 2

Starting system

Max. suction head: m (ft)

Max. output: kW (PS)

Diaphragm

Suction & discharge diameter: mm (")

25.4 (1)

24.5 (1.5)

4-stroke

8.0 (26)

Max. pumping capacity: L/min (US oz/min)

110 (3,700)

Primer pump

Yes

Yes

5.8 (12.8)

0.71 (1.0) [at 7,000 min.

ˉ

¹]

1.0 [at 5,500 min.

ˉ

¹]

Max. torque: N·m

Speed at no load: min.

ˉ

¹ = rpm

7,000

Recoil starter, with mechanical decompression

Max. total head: m (ft)

35 (115)

Fuel tank capacity: L (US oz)
Engine oil

0.5 (16.9)

SAE10W-30 oil

in the class SF or higher of API Classification

231 (9-1/8)

Dimensions

*

1

: mm (")

Width (W)
Height (H)

Length (L)

327 (12-7/8)

319 (12-1/2)

*1

 without suction hose

T

ECHNICAL INFORMATION

L

H

W

Содержание EW1050H

Страница 1: ...X only Rapid type Hose coupling set Coupling for water supply hose with Hose band 8m Delivery hose with Nozzle 1 inch NPT adapter Straight unleaded gasoline 2 Carburetor Engine Displacement cm cu in F...

Страница 2: ...Hex nut while holding M8x30 Hex bolt with Wrench 8 M8 Hex nut Pump case Remove Pump casing and then separate Volute from Engine section Pump frame Pump frame Pump case Pump case Pump frame Starter rop...

Страница 3: ...stopper from Refueling handle group along the curve M5x14 Pan head screw 3 Remove Pan head screw and separate Refueling handle group from Handle Sheath of Refueling winding Stopper of Refueling windin...

Страница 4: ...2mm unscrew four M5x25 Hex bolts to remove Pump frame from Engine section 3 Apply 1R090 to the rib Fin of Impeller then turn Impeller counterclockwise by tapping 1R090 with a hammer to remove Impeller...

Страница 5: ...Refueling handle group does not wobble on the Handle 1 Assemble Refueling handle group to Handle as drawn in Fig 4 2 Assemble Mechanical oil seals to Pump body rear and to Impeller as drawn in Fig 5...

Страница 6: ...ning torque of their bolts have to be 2 5 3 5 N m Washers 0 5mm thick and 0 2mm thick Drive shaft 1A Measure the length from the stepped portion of Drive shaft to the neck of the Engine If the length...

Страница 7: ...cepting ribs 2 Assemble Volute to Pump frame while fitting its projections to the accepting ribs on Pump frame Then put Packing to the Volute Projection M8x35 Hex bolt M8x35 Hex bolt Handle M8 Hex nut...

Страница 8: ...h off 3 Pull Recoil starter in order to make sure that the rotating Impeller does not touch Volute In case of touching Volute return to Fig 8 and adjust by adding or reducing Washer s Shelf group 1 As...

Страница 9: ...efueling handle group 5 Guide the other end of Refueling winding to Carburetor side by passing it under Pump frame 1 Connect the other end of Refueling winding to Carburetor Then align the lever of Re...

Страница 10: ...in Fig 14 After removing Blower housing separate two M6x16 Pan head screws and Shaft from Flywheel The other disassembly assembly is the same as Makita brush cutters Fig 14 Parts breakdown of Engine...

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