Operator's Manual
Table Of Contents
- GT-225 GRASS TRIMMER
- Table of Contents
- Description 14
- Contents 17
- Introduction
- Servicing Information
- Safety
- Manual Safety Symbols and Important Information
- International Symbols
- Do not operate without guards and shields in place.
- Do not use blades. String line only.
- Avoid all power lines. This unit is not insulated against electrical current.
- Plan retreat path from falling objects
- Do not exceed
- 10,000 RPM
- Wear slip resistant footwear
- (Exhaust & Evaporative)
- Description
- 1. POWER HEAD - Factory Assembled to the Drive Shaft assembly. Includes the Engine, Clutch, Fuel System, Ignition System and Recoil Starter.
- 2. THROTTLE HANDLE - FOR RIGHT HAND - Contains Stop Switch, Throttle Lockout, and Throttle Trigger.
- 3. STOP SWITCH - “SLIDE SWITCH” mounted on top of the Throttle Handle. Move switch FORWARD to RUN, BACK to STOP.
- 4. SUPPORT HANDLE - FOR LEFT HAND - The Support Handle handle is factory assembled to the Drive Shaft assembly but must be re- positioned for proper cutting attitude and operator comfort.
- 5. DRIVE SHAFT ASSEMBLY - Factory Assembled to the Power Head. Includes the Throttle Handle Assembly, Bearing Housing Assembly, Support Handle Assembly, Flexible Drive Cable and Safety Decals.
- 6. RAPID LOADERTM HEAD - Contains replaceable nylon trimming lines.
- 7. DEBRIS SHIELD with CUT-OFF KNIFE - Required when unit is equipped with nylon line head. Do not operate unit without shield.
- 8. CUT-OFF KNIFE - Automatically trims line to the correct length.
- 9. THROTTLE TRIGGER - Controls engine speed. Spring loaded to return to idle when released. During acceleration, press trigger gradually for best operating technique.
- 10. TOP GUARD - Provides arm rest during operation and protects arm from hot engine.
- 11. SPARK ARRESTOR MUFFLER OR SPARK ARRESTOR MUFFLER WITH CATALYST - The muffler or catalytic muffler controls exhaust noise and emission. The spark arrestor screen prevents hot, glowing particles of carbon from leaving the muffler. Keep exhaust area...
- 12. FUEL TANK - Contains fuel and fuel filter.
- 13. RECOIL STARTER / HANDLE - Pull handle slowly until starter engages, then quickly and firmly. When engine starts, return handle slowly. DO NOT let handle snap back or damage to unit will occur.
- 14. FUEL TANK CAP - Covers and seals fuel tank opening.
- 15. PURGE BULB - Pumping purge bulb before starting engine draws fresh fuel from the fuel tank, purging air from the carburetor. Pump purge bulb until fuel is visible and flows freely in the clear fuel tank return line. Pump purge bulb an additional ...
- 16. CHOKE - The choke control is located at the rear of the air cleaner housing. Move choke lever to COLD START () to close choke for cold start. Move choke lever to “RUN” () position to open choke.
- 17. AIR CLEANER - Contains replaceable filter element.
- 18. SPARK PLUG - Provides spark to ignite fuel mixture.
- Contents
- 1
- Operator’s Manual
- 1
- Safety Manual
- 1
- Warranty Statement
- 1
- Safety Glasses
- 1
- Echo Power Blend X™ 2-Stroke Oil Sample
- 12
- Pieces of pre-cut Nylon Line
- 1
- Shield Assembly
- Assembly
- Operation
- Maintenance
- Skill Levels
- Maintenance Intervals
- –
- Air Filter
- 1. Close choke (COLD START [] position). This prevents dirt from entering the carburetor throat when the air filter is removed. Brush accumulated dirt from air cleaner area.
- 2. Remove air filter cover. Brush dirt from inside cover.
- 3. Replace filter if it is damaged, fuel soaked, very dirty, or the rubber sealing edges are deformed.
- 4. Install air filter in air filter case.
- 5. Install air filter cover.
- Fuel Filter
- Spark Plug
- Cooling System
- 1. Remove spark plug lead.
- 2. Remove air cleaner cover (A).
- 3. Remove engine cover (B).
- 4. Use a brush to remove dirt from the cylinder fins.
- 5. Remove ignition wires from clip for cleaning.
- 6. Remove grass and leaves from the grid between the recoil starter and fuel tank.
- 7. Assemble components in reverse order.
- Exhaust System
- Spark Arrestor Screen
- 1. Remove spark plug lead and engine cover.
- 2. Place piston at Top Dead Center (TDC) to prevent carbon/dirt from entering cylinder.
- 3. Remove spark arrestor screen cover (C), gaskets (D), (E), and screen (F), from muffler body.
- 4. Clean carbon deposits from muffler components.
- 5. Replace screen if it is cracked, plugged, or has holes burned through.
- 6. Assemble components in reverse order.
- Exhaust Port Cleaning
- 1. Remove spark plug lead from spark plug, and remove engine cover.
- 1. Place piston at top dead center. Remove muffler (A) and heat shield (B).
- 2. Use a wood or plastic scraping tool to clean deposits from cylinder exhaust port (C).
- 3. Inspect heat shield, and replace if damaged.
- 4. Install heat shield and muffler.
- 5. Tighten muffler mounting bolts (or nuts) to 90 - 110 kgf•cm (80 - 95 in•lbf).
- 6. Install engine cover and attach spark plug lead.
- 7. Start engine, and warm to operating temperature.
- 8. Stop engine, and re-tighten mounting bolts (or nuts) to specifications.
- Spark Arrestor Screen
- Carburetor Adjustment
- Lubrication
- 1. Remove shield.
- 2. Loosen bearing housing locating screw (A), at the top of the housing, loosen mounting screw (B) and remove gear case from drive housing.
- 3. Pull the flexible drive shaft (C) from the drive housing, wipe clean and apply 15 ml (0.5 oz.) of grease.
- 4. Slide the flexible drive shaft back in the drive housing being careful not to get dirt on the flexible drive shaft.
- 5. Install the bearing housing and shield.
- Air Filter
- Troubleshooting
- Storage
- Long Term Storage (Over 30 Days)
- 1. Store unit in a dry, dust free place, out of the reach of children.
- 2. Place the stop switch in the “OFF” position.
- 3. Remove accumulation of grease, oil, dirt and debris from exterior of unit.
- 4. Perform all periodic lubrication and services that are required.
- 5. Tighten all the screws and nuts.
- 6. Drain fuel tank completely. Press purge bulb 6 - 7 times to remove remaining fuel from carburetor then drain the tank again. Close choke, start and run the engine until it stops due to lack of fuel.
- 7. Allow engine to cool. Remove the spark plug lead from the spark plug. Remove the spark plug. Pour 7 cc (0.25 oz.) of fresh, clean, two-stroke engine oil into the cylinder through the spark plug hole.
- 8. Pull the recoil starter handle 2 - 3 times to distribute the oil inside the engine.
- 9. Observe the piston location through the spark plug hole. Pull the recoil handle slowly until the piston reaches the top of its travel and leave it there.
- 10. Install the spark plug. Connect the spark plug lead to the spark plug.
- Long Term Storage (Over 30 Days)
- Specifications
- Product Registration
GT-225 SPECIFICATIONS
X7732276300 37
© 7/2017 ECHO Inc.
ENGLISH
SPECIFICATIONS
MODEL GT-225
Length 1371 mm (54.0 in.)
Width 315 mm (12.4 in.)
Height 539 mm (21.2 in.)
Weight (dry) w/o Cutter
Head
4.6 kg (10.1 lb.)
Engine Type
Air cooled, two-stroke, single cylinder gasoline
engine
Bore 32.2 mm (1.27 in.)
Stroke 26.0 mm (1.02 in.)
Displacement 21.2 cc (1.29 cu. in.)
Exhaust
Spark arrestor muffler or spark arrestor muffler with
catalyst
Carburetor Diaphragm w/purge pump
Ignition System Flywheel magneto, capacitor discharge ignition type
Spark Plug NGK BPMR8Y Gap 0.65 mm [0.026 in.]
Fuel Mixed (Gasoline and Two-stroke Oil)
Fuel/Oil Ratio
50 : 1 Power Blend X
TM
or ECHO Red Armor
®
ISO-
L-EGD (ISO/CD 13738) and J.A.S.O. M345- FD
,
two-stroke, air-cooled engine oil.
Gasoline
Use 89 Octane unleaded. Do not use fuel containing
methyl alcohol, more than 10% ethyl alcohol or 15%
MTBE. Do not use alternative fuels such as E-15 or
E-85.
Oil
Power Blend X
TM
or ECHO Red Armor
®
Premium
Universal 2-Stroke Oil
Fuel Tank Capacity 0.44 L (14.9 US fl. oz.)
Starter System Automatic Rewind Starter
Clutch Centrifugal Type
Drive Shaft 6.35 mm (1/4 in.) flexible shaft
Rotating Direction Clockwise; viewed from top
Cutter Head
Nylon line head (2-line) with 2 mm (0.080 in.) Line
capacity 203 mm (8 in.)
Handles Support Handle, Throttle Handle
Shoulder Harness Optional
Idle Speed 3,000 RPM