Makita EW1060H Manual

PRODUCT
CONCEPT AND MAIN APPLICATIONS
P 1/ 10
Specification
Model No. EW1060H
Description Engine Pump
Model EW1060H is 33.5cc 4-stroke engine pump to comply with
all major exhaust emission regulations in the world.
It features the same pumping capacity as the predecessor EPH1000,
but it is more cost effective than EPH1000.
This product is also available with nozzle and 8m delivery hose
as Model EW1060HX.
EW1060H
0.65 (22.0)
33.5 (2.0)
234 (9-1/4)
Dimensions*1: mm (")
Width (W)
Height (H)
Length (L) 356 (14)
336 (13-1/4)
*1 without suction hose
TECHNICAL INFORMATION
H
L
W
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
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)
4-stroke
8.0 (26)
Max. pumping capacity: L/min (US oz/min) 130 (4,400)
Primer pump Yes
Yes
7.3 (16.1)
1.07 (1.5) [at 7,000 min.ˉ¹]
1.35 [at 5,500 min.ˉ¹]Max. torque: N·m
Speed at no load: min.ˉ¹ = rpm 7,000
Recoil starter, with mechanical decompression
Max. total head: m (ft) 45 (148)
Fuel tank capacity: L (US oz)
Engine oil SAE10W-30 oil
in the class SF or higher of API Classification
Standard equipment
Note: The standard equipment for the tool shown above may vary by country.
Optional 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 EW1060HX only)
Nozzle ................................... 1 (for EW1060HX only)
Rapid type Hose coupling set,
Coupling for water supply hose (with Hose band),
8m Delivery hose (with Nozzle),
1 inch NPT adapter

P 2/ 10
Repair
[3] DISASSEMBLY/ASSEMBLY OF PUMP SECTION
[3] -1. Pump Section
Fig. 1
Fig. 2
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.
DISASSEMBLING
(1) Separate Base from Pump section by unscrewing M8x16 Hex bolt (2 pcs.) as drawn in Fig. 1.
(2) Disassemble Pump casing and Volute form Engine section as drawn in Fig. 2.
Separate Base from Pump section by unscrewing
two M8x16 Hex bolts.
Note: Be careful not to lose Spring washers and
Flat washers.
Base
Base
Spring washer
Flat washer
M8x16 Hex bolt
M8x16 Hex bolt
M8x30 Hex bolt
Handle
2. Unscrew M8 Hex nut while holding M8x30
Hex bolt with Wrench 8.
M8 Hex nut
Pump case
Pump casing
Pump frame
1. Remove Handle by unscrewing M8 Hex nut
while holding M8x35 Hex bolt with Wrench 8.
Pump frame
Pump case M8x35 Hex bolt
Handle
M8 Hex nut
Pump case Volute
3. Remove Pump case and Volute
from Engine section.

P 3/ 10
Repair
Handle
2. While sliding down Sheath of Refueling winding
to expose the inner cable, remove the stopper from
Refueling handle group along the curve.
3. Remove Pan head screw and separate Refueling handle group
from Handle.
Sheath of Refueling winding
Stopper of Refueling winding
Refueling handle group
Refueling handle
group
Curve
Pan head screw
Air cleaner cover Refueling winding
1. Remove Air cleaner cover by unscrewing M5x14 Pan head screw.
Then remove Refueling winding from Carburettor.
M5x14 Pan head screw
Refueling winding
Fig. 3
DISASSEMBLING
[3] DISASSEMBLY/ASSEMBLY OF PUMP SECTION
[3] -1. Pump Section (cont.)
(3) Remove Refueling winding from Refueling handle group and from Carburetor as drawn in Fig. 3.

P 4/ 10
Repair
Fig. 4
1. After removing Spark plug, drive 1R372 to
the place where Spark plug was mounted.
1R090
1R372
Pump frame
Washers* (0.5mm and 0.2mm)
Note: The quantities and kind of thickness differ from
machine to machine. Be careful not to lose them.
M6x40 Hex socket head bolt (4 pcs.)
2. Turn Impeller slowly counterclockwise
until Piston is locked.
5. Using a slotted screwdriver, remove
Mechanical oil seal (on rear side) from
Pump frame.
Note: Mechanical oil seals (on front and rear sides)
have to be replaced as a set.
4. After removing Washers* (0.5mm and 0.2mm),
unscrew four M6x40 Hex socket head 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 from Pump frame.
And then, remove Mechanical oil seal (on front side)
from Impeller using a slotted screwdriver.
Mechanical oil seal
(rear side)
Mechanical oil seal
(on front side)
DISASSEMBLING
[3] DISASSEMBLY/ASSEMBLY OF PUMP SECTION
[3] -1. Pump Section (cont.)
(4) Disassemble Impeller and Pump frame as drawn in Fig. 4.

P 5/ 10
Repair
ASSEMBLING
(1) Assemble Refueling handle group to Handle as drawn in Fig. 5.
1. When the lever of Refueling handle group is fully
turned to Lowest speed position, “L” mark has to be
precisely aligned to the notch.
If not, loosen Pan head screw and adjust it so that
“L” comes exactly to the notch.
1. Assemble O ring to the groove of
Pump frame.
2. Assemble Mechanical oil seal (rear) to Pump frame by pressing it
straight with Arbor press until it stops.
3. Assemble Mechanical oil seal (front) to Impeller by pressing it
straight with Arbor press until it stops.
Note: Mechanical oil seals (front and rear sides) have to be replaced
as a set.
2. Assemble Refueling handle group to Handle with
Pan head screw.
Note: The fastening torque is 2.5 ~ 3.5 N.m.
And make sure that the mounted Refueling
handle group does not wobble on the Handle.
(2) Assemble Mechanical oil seals to Pump body (rear) and to Impeller as drawn in Fig. 6.
(3) Assemble Water blocks, Valve and Joint to Pump casing as drawn in Fig. 7.
Water block
1. Install O-rings to Water blocks.
2. Tighten Water block
to the top side of
Pump casing
by hand.
3. Mount Water block to the bottom side of Pump casing.
Note: This block has to be tightened to 2.5 N.m fastening
torque.
O-ring
Notch
Fig. 5
Fig. 6
Fig. 7
“H”
“L”
Pan head screw
O ring
Pump frame
Pan head screw
4. Put Valve on the suction hole of Pump casing,
then while facing the arrow mark of Joint to
Water block of Shelf group side, put it on Valve
and tighten them with three M6x20 Hex bolts.
Arrow mark
Valve
Pump casing
Joint
Mechanical oil seal (rear)
Mechanical oil seal (front)
Impeller
[3] DISASSEMBLY/ASSEMBLY OF PUMP SECTION
[3] -1. Pump Section (cont.)

O ring
Wad (Wave washer) Gasket (Flat washer)
M6x40
Hex socket
head bolt
P 6/ 10
Repair
ASSEMBLING
(4A) In case of replacing the Engine, adjust the length of Engine’s drive shaft as drawn in Fig. 9 before mounting
Pump frame to the Engine.
Fig. 8
Fig. 9
(4) Assemble Pump frame as drawn in Fig. 8.
1. Pass each M6x40 Hex socket head bolt through
Wave washer, Flat washer and O ring.
Note: Be careful not to give damage to O ring
when mounting it to the bolt.
2. Mount one each of Washers (0.5mm thick and 0.2mm thick) to Drive shaft of the Engine.
Then assemble Pump frame to the Engine by tightening it with four M6x40 socket head bolts.
Note: Fastening 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 is between 34.7 to 35.8 mm, mount
Pump frame to the Engine without Washers as
drawn in Fig. 8.
2A. If the length is shorter than 34.7 mm, adjust
the length to 34.7 ~ 35.8 mm by adding some
Washer(s) as drawn below. Then mount Pump
frame to the Engine as drawn in Fig. 8.
Note: Use Washer(s) 0.5mm thick and 0.2mm thick)
when adjusting the length.
Pump frame
M6x40
Hex socket
head bolt
(4 pcs.)
34.7 ~ 35.8 mm 34.7 ~ 35.8 mm
Drive shaft
In case of replacing the Engine
In case of repairing of Pump section without replacing the Engine
Drive shaft
Engine
[3] DISASSEMBLY/ASSEMBLY OF PUMP SECTION
[3] -1. Pump Section (cont.)
Engine
Washer(s)
(0.5mm thick and 0.2mm thick)

P 7/ 10
Fig. 10
Fig. 11
Repair
ASSEMBLING
1. Mount Impeller to the drive shaft
of the Engine, by turning it clockwise
until it is seated on.
2. Assemble Volute to Pump frame while fitting its projections
to the accepting ribs on Pump frame.
Then put Packing to the Volute.
Accepting rib
Impeller
Volute
Accepting rib
Projections
M8 Hex nut Spring washer
Spring
washer
Flat washer
Flat washer
Handle
Volute
Packing
1. Assemble Pump casing and Handle
to Pump frame by securing them
with Flat washers, Spring washers,
M8 Hex nuts and M8x35 Hex bolts.
Pump casing
Pump frame
Pump frame
M8x35 Hex bolt
( 2 pcs. )
M8x30 Hex bolt
( 2 pcs. )
Pump casing
(5) Assemble Impeller and Volute to Pump frame as illustrated in Fug. 10.
(6) Assemble Pump casing and Handle to Pump body (rear) as drawn in Fug, 11.
[3] DISASSEMBLY/ASSEMBLY OF PUMP SECTION
[3] -1. Pump Section (cont.)
2. Secure Pump casing and Pump frame of Base side with Flat washers, Spring washers,
M8 Hex nuts and M8x30 Hex bolts to 13N.m fastening torque.
Note: The joint of Pump frame and Pump casing has to be flat.

P 8/ 10
Repair
ASSEMBLING
(8) Assemble Base to the machine. Refer to Fig. 1.
Note: Do not forget to mount Flat washers and Spring washers between Base and M8x16 Hex bolt.
Rubber foot
Base
Assemble Rubber foot to Base with M6x15 Hex bolt, Flat washer, Spring washer and M6 Hex nut.
Note: Tighten M6x15 hex bolt to 2.5 ~ 3.5 N.m fastening torque.
Flat washer
Spring washer
M6x15 Hex bolt
Fig. 12
(7) Assemble Base as drawn in Fig. 12,
and check the condition of Impeller, in case of replacing the Engine to the new one.
[3] DISASSEMBLY/ASSEMBLY OF PUMP SECTION
[3] -1. Pump Section (cont.)
In case of replacing the Engine to the new one
1. Make sure that the fuel is removed completely from the Engine.
2. Switch 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).

P 9/10
Repair
ASSEMBLING
Fig. 13
Fig. 14
1. Align the hole for Stopper of Refueling winding
to the curve of Refueling handle group.
2. Insert Stopper of Refueling winding
into the hole along the curve.
3. Put the inner cable of Refueling
winding into the groove of Refueling
handle group.
4. Connect the sheath of Refueling
winding to the original position of
Refueling handle group.
Stopper
Refueling handle group
Curve
Groove
Sheath
(9) Assemble Refueling winding to Refueling handle group as drawn in Fig. 13.
(10) Assemble Refueling winding to Throttle lever of Carburetor as drawn in Fig. 14.
1. Connect the other end of Refueling winding to Carburetor. Then align the lever of
Refueling handle group to “L” position. And then make sure that Adjusting screw of
Carburetor is contacted to Throttle lever of Carburetor.
If the screw is not connected to the lever, regulate Adjust screw until Adjusting screw
of Carburetor contacts Throttle lever of Carburetor.
Adjust screw
Air cleaner cover
Adjusting screw of Carburetor comes
in contact with Throttle lever of
Carburetor at “L” position of
Refueling handle group.
2. Assemble Air cleaner cover with M5x14 Pan head screw.
Pump frame
[3] DISASSEMBLY/ASSEMBLY OF PUMP SECTION
[3] -1. Pump Section (cont.)
5. Guide the other end of Refueling
winding to Carburetor side by passing
it under Pump frame.

P 10/ 10
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -2. Difference between Engine EH035P for EW1060H and EH035 for Brush cutters
EH035P is different from EH035 as drawn in Fig. 15.
After removing Blower housing, separate two M6x16 Pan head screws, Ring 17 and Shaft from Flywheel.
The other disassembly/ assembly is the same as Makita brush cutters
Fig. 15
Parts breakdown of Engine section
Shaft section
Blower housing
Oil tube
(EH035 only)
Ring 17
Shaft section
(EH035P only)
M6x16
Pan head
screw (2 pcs.)
Shaft
Clutch section
(EH035 only)