Zenoah HEZ2500F manual Maintenance Chart,  19 

Page 19

9. Maintenance

Maintenance, replacement, or repair of the emission control device and systems may be performed by any non-road engine repair establishment or individual.

WARNING

•Always be sure to stop the engine before inspecting the stick edger for problems or performing maintenance.

•Never alter the stick edger or take the engine apart.

•When replacing parts, always be sure to use only RedMax products or products which have been certified by RedMax for use with the RedMax stick edger.

■BE SURE TO CHECK THE FOLLOWING BEFORE USING YOUR STICK EDGER

 

 

Item to be checked

 

 

 

 

 

Response

 

 

 

 

 

 

 

 

 

 

 

 

1

 

Edging mechanism

• See if attachment is loose

 

 

• Tighten screws and bolts

 

 

 

• Check if edges of blades are dull

 

 

• Sharpen or replace blades

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

Throttle

• Stiff and difficult to move

 

 

 

 

• Repair or replace

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

Throttle wire

• Too loose, too tight

 

 

 

 

• Adjust

 

 

 

 

• Stiff and difficult to move

 

 

 

 

• Repair or replace

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

Engine attachment

• See if fittings are loose

 

 

 

 

• Tighten fittings

 

 

 

 

 

 

 

 

 

 

 

 

5

 

Fuel tank

• See if attachment is loose

 

 

• Tighten screws and bolts

 

 

 

• See if fuel pipe is damaged

 

 

• Replace

 

 

 

 

• See if cap packing is damaged

 

 

• Replace

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

Muffler

• See if attachment is loose

 

 

• Tighten screws and bolts

 

 

 

 

 

 

 

 

 

 

 

 

7

 

Cutting blade

• See if damaged or worn shorter

 

 

• Replace

 

 

 

 

than usable length

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

■ MAINTENANCE CHART

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

every

every

every

 

 

 

 

 

 

 

 

 

25

50

100

 

 

system/compornent

 

procedure

 

before

 

hours

hours

hours

note

 

 

 

 

 

 

use

 

after

after

after

 

 

fuel leaks, fuel spillage

 

wipe out

 

✔

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

fuel tank, air filter, fuel filter

 

inspect/clean

 

✔

 

✔

 

 

 

replace, if necessary

 

idle adjusting screw

 

see ■ADJUSTING

 

✔

 

 

 

 

 

replace carburetor

ENGINE

 

IDLING SPEED (p.17)

 

 

 

 

 

 

if necessary

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

spark plug

 

clean and readjust

 

 

 

 

 

✔

 

GAP: .025in(0.6~0.7mm)

 

plug gap

 

 

 

 

 

 

replace, if necessary

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

cylinder fins, intake air cooling vent

clean

 

 

 

✔

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

muffler, spark arrester, cylinder exhaust port

clean

 

 

 

 

 

✔

 

 

 

throttle lever, ignition switch

 

check operation

 

✔

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

cutting parts

 

replace if

 

✔

 

 

 

 

 

 

 

 

something's wrong

 

 

 

 

 

 

 

SHAFT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

gear case

 

grease

 

 

 

✔

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

screws/nuts/bolts

 

tighten/replace

 

✔

 

 

 

 

✔

not adjusting screws

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

drive shaft

 

grease

 

 

 

 

 

✔

 

 

 

cutting blade

 

inspect/replace

 

✔

 

 

 

 

 

replace, if necessary

 

 

 

 

 

 

 

 

 

 

 

 

 

19

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Contents HE225F HEZ2500F Page Contents Safety FirstParts location Specifications 4   5   6  Symbols on the machine 7  For safe operationWorking Condition Working Circumstance 8  Working PlanStarting the Engine Before Starting the Engine 9  If Someone Comes Using the Product 10   11  MaintenanceTransportation Handling Fuel 12   13  Set upRecommended Mixing Ratio Gasoline 50OIL HOW to MIX FuelFuel  14 For Your Engine LIFE, Avoid Fueling the Unit 16  Operation 17   18  OP8 HOW to USEMaintenance Chart Maintenance 19   20  Drive Shaft MA6 MA4 MA5 MA6 MufflerSpark Arrester Gear Case 22  MA7Blade MA7 Intake AIR Cooling VentPropector Procedures to be Performed After Every 100 Hours of USEStorage MA9Check Probable Causes Action Troubleshooting guide 24   25  Parts list 26  Drive Unit S/N 200001 and up 27   28  Engine Unit HE225F S/N 50100000 and upDiaphragm  29  30  Engine Unit HEZ2500F S/N 50100000 and upDiaphragm  31 Limited Warranty RedMax Garantie limitée Page Page Komatsu Zenoah America INC

HEZ2500F specifications

The Zenoah HEZ2500F is a versatile and powerful two-stroke engine designed for a wide range of applications, including remote-controlled aircraft and various types of RC vehicles. Known for its exceptional performance and reliability, the HEZ2500F integrates advanced technologies that enhance its efficiency and ease of use, making it a preferred choice among hobbyists and professionals alike.

One of the main features of the Zenoah HEZ2500F is its lightweight yet robust design. Weighing in at just around 2.5 kilograms, the engine is constructed with durable materials that ensure long-lasting performance while keeping the overall weight low. This characteristic is crucial for applications where minimizing weight can significantly improve flight times and maneuverability.

The engine boasts a displacement of 25 cc, providing ample power for demanding tasks. Its specific power output delivers exceptional acceleration and speed, making it well-suited for competitive racing and high-performance applications. The HEZ2500F is engineered with a unique cooling system that helps maintain optimal operating temperatures during prolonged use, ensuring a consistent performance and reducing the risk of overheating.

One of the standout technologies integrated into the HEZ2500F is its advanced ignition system. This electronic ignition provides reliable starts in various weather conditions, ensuring users can depend on the engine when it is most needed. Additionally, its carburetor is designed for seamless adjustments, enabling easy tuning for different altitudes and performance preferences.

Furthermore, the Zenoah HEZ2500F is known for its fuel efficiency. The engine's optimized combustion chamber design maximizes the burn of fuel, translating to longer run times and reduced fuel consumption. This feature not only saves costs for the operator but also contributes to a lower environmental impact, making it a more sustainable option in the long run.

Overall, the Zenoah HEZ2500F stands out in the field of small engines thanks to its impeccable balance of power, efficiency, and reliability. Whether for hobbyists seeking thrilling flight experiences or professionals requiring dependable performance, the HEZ2500F encompasses all the essential characteristics that enhance user satisfaction and operational success. Its combination of lightweight design, robust power output, advanced ignition technology, and fuel efficiency positions it as a leading choice in the market of small engines.
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