background image

SRM-2620U

MAINTENANCE

X7502341900

41

© 10/2016 ECHO Inc.

ENGLISH

1.

Check idle speed and reset 
if necessary. If a tachometer 
is available, idle speed 
screw (A) should be set to 
the specifications found on 
“Specifications” page of this 
manual. Turn idle screw (A) 
clockwise to increase idle 
speed; counterclockwise to 
decrease idle speed.

When carburetor adjustment is completed, the cutting 
attachment should not move at idle, otherwise serious personal 
injury may result.

Lubrication

Level 1.

Gear Housing

1.

Clean all loose debris from 
gear case.

2.

Remove plug (A) and check 
level of grease.

3.

Add grease if necessary. DO 
NOT over-fill.

Drive Shaft

1.

Loosen screw (B) and 
remove locating screw (C). 
Pull gear case and shield 
from drive shaft housing.

2.

Pull flexible cable from the drive shaft housing, wipe clean and re-coat 
with a thin coating [15 ml (1/2 oz.)] of grease.

3.

Slide the flexible cable back in the drive housing. DO NOT get dirt on 
the flex cable.

4.

Install the gear housing and shield assembly.

Parts Required:

Lithium Based Grease.

A

A

B

C

Summary of Contents for SRM-2620U

Page 1: ...nd surrounding cover may become extremely hot Always keep clear of exhaust and muffler area otherwise serious personal injury may occur The engine exhaust from this product contains chemicals known to...

Page 2: ...t Information 5 International Symbols 6 Personal Condition and Safety Equipment 8 Equipment 12 Emission Control Exhaust Evaporative 13 CARB And EPA Emissions Control Information 13 Description 15 Cont...

Page 3: ...Air Filter 34 Fuel Filter 36 Spark Plug 37 Cooling System 37 Exhaust System 38 Carburetor Adjustment 40 Lubrication 41 Nylon Line Head Disassembly Instructions 42 Nylon Line Replacement 42 Sharpening...

Page 4: ...e and assembly specific to this product Scan QR codes throughout the operator s manual for more information The Safety Manual Keep it in a safe place for future reference Explains possible hazards and...

Page 5: ...sure trouble free warranty coverage it is important that you register your ECHO equipment on line at www echo usa com or by filling out the product registration sheet included in this manual Registeri...

Page 6: ...may lead to minor or moderate personal injury if not avoided The enclosed message provides information necessary for the protection of the unit Note This enclosed message provides tips for use care a...

Page 7: ...cts Wear Eye Protection DO NOT Allow Flames or Sparks Near Fuel Ignition ON OFF DO NOT Smoke Near Fuel Primer Bulb Choke Control RUN Position Choke Open Choke Control COLD START Position Choke Closed...

Page 8: ...unit Physical Condition Your judgment and physical dexterity may not be good If you are tired or sick If you are taking medication If you have taken alcohol or drugs Operate unit only if you are physi...

Page 9: ...ant matter such as pollen Make sure the mask does not impair your vision and replace the mask as needed to prevent air restrictions Proper Clothing Wear snug fitting durable clothing Pants should have...

Page 10: ...lieved that a condition called Raynaud s Phenomenon which affects the fingers of certain individuals may be brought about by exposure to vibration and cold Exposure to vibration and cold may cause tin...

Page 11: ...n Instead try to maintain a straight wrist position Also when grasping use your whole hand not just the thumb and index finger Take periodic breaks to minimize repetition and rest your hands Reduce th...

Page 12: ...d positions or on ladders Do not over reach Avoid Hot Surfaces Keep exhaust area clear of flammable debris Avoid contact during and immediately after operation Equipment Use only ECHO attachments Seri...

Page 13: ...g Moving parts may not be visible through openings Periodically Check fuel system fuel lines vent grommet fuel tank and fuel cap for leaks especially if the unit is dropped If damage or leaks are foun...

Page 14: ...ries by engine FAMILY Product Emission Durability Emission Compliance Period The 50 or 300 hour emission compliance period is the time span selected by the manufacturer certifying the engine emissions...

Page 15: ...PTION Locate the safety decal s on your unit Make sure the decal s is legible and that you understand and follow the instructions on it If a decal cannot be read a new one can be ordered from your ECH...

Page 16: ...e that advances when the trimmer head is tapped against the ground while the head is turning at normal operating speed 7 CUT OFF KNIFE Automatically trims line to the correct length 13 cm 5 in after h...

Page 17: ...r Keep exhaust area clear of flammable debris 17 FUEL TANK Contains fuel and fuel filter 18 FUEL TANK CAP Covers and seals fuel tank opening 19 CHOKE The choke control is located at the rear of the ai...

Page 18: ...ontents list to check for missing parts _____ 1 Power Head Drive Shaft Assembly _____ 1 U handle Assembly _____ 1 Operator s Manual _____ 1 Warranty Statement _____ 1 Safety Manual _____ 1 Shield With...

Page 19: ...nd clip as shown Throttle Linkage and Ignition Leads 1 Close choke and remove air filter cover 2 Place throttle wire assembly A into adjustment fixture B and install wire end into large carburetor thr...

Page 20: ...he U Handle and all Blade Conversion parts shown in the following instructions before operating this unit with a metal blade otherwise serious injury may result Shield with cutoff knife is for use wit...

Page 21: ...mpletely off of shaft c Remove locking tool G and line head plate d Remove three screws holding shield plate and shield with cutoff knife H to gear housing e Retain line head shield plate and shield w...

Page 22: ...ning Tighten 10 mm nut securely 4 Insert Cotter Pin C in hole in PTO shaft and bend pin legs around shaft counterclockwise to retain 10 mm nut Never reuse a cotter pin install a new cotter pin each ti...

Page 23: ...nstalled and line head plate A is installed on splined PTO shaft F 2 Align notch in edge of shield and hole in line head plate with notch in edge of gear housing and insert head locking tool G 3 Threa...

Page 24: ...to harness 3 Slide harness clamp up A or down until unit balances with head approximately 50 75 mm 2 3 in from the ground 4 Tighten harness clamp screw 5 Loosen upper U Handle clamp screws B and posi...

Page 25: ...ts Contact local fire authorities for laws or regulations regarding fire prevention requirements Operation With Blades Blade use DEMANDS specific Brush Cutter configuration Operation without specified...

Page 26: ...s NOT A HANDLE and should not be gripped when using or carrying the unit Blade Selection The type of Blade used MUST be matched to the type and size of material cut An improper or dull blade can cause...

Page 27: ...ALL Trimmer Brush Cutter use not just Blade operation The Shoulder Waist Harness when used in a trimming operation with nylon line head suspends the trimmer from the operator s shoulder and reduces op...

Page 28: ...ol is NOT approved ECHO brand Power Fuel is 93 octane ethanol free fuel premixed with ECHO Red Armor engine oil at 50 1 ratio Use of ECHO Power Fuel is recommended to extend engine life in all air coo...

Page 29: ...l an approved fuel container with half of the required amount of gasoline 2 Add the proper amount of 2 stroke oil to gasoline 3 Close container and shake to mix oil with gasoline 4 Add remaining gasol...

Page 30: ...erious injury Keep movable parts of the attachment away from objects that could become entangled or thrown and surfaces that could cause loss of control 1 Stop Switch Move stop switch button A forward...

Page 31: ...e rope until engine starts and runs Release throttle trigger and allow unit to warm up at idle for several minutes Note If engine does not start with choke in RUN position after 5 pulls repeat instruc...

Page 32: ...age to unit can occur 3 Recoil Starter Lay the unit on a flat area and keep movable attachment parts clear of all obstacles Firmly grip throttle handle and throttle trigger lockout with left hand Rapi...

Page 33: ...is designed to provide many hours of trouble free service Regular scheduled maintenance will help your unit achieve that goal If you are unsure or are not equipped with the necessary tools we recommen...

Page 34: ...sed on the finding of damage or wear during inspection Air Filter Level 1 Cooling System Inspect Clean 2 Recoil Starter Rope Inspect Clean 1 Screws Nuts Bolts Inspect Tighten Replace 1 Every Refuel Fu...

Page 35: ...ains in place as shown when removing or installing air filter cover 3 Remove foam pre filter and air filter and clean as indicated below Foam Pre filter Clean foam filter in water detergent solution a...

Page 36: ...Use extreme care when mixing storing or handling or serious personal injury may result 1 Use a clean rag to remove loose dirt from around fuel cap and empty fuel tank 2 Pull the fuel filter from the...

Page 37: ...g an un certified replacement part Spark Plug Level 2 Use only NGK CMR7H spark plug otherwise severe engine damage may occur 1 Remove spark plug and check for fouling worn and rounded center electrode...

Page 38: ...ages or cleaning of cooling fins is considered Normal Maintenance Any failure attributed to lack of maintenance is not warranted 1 Remove spark plug lead 2 Remove muffler cover A 3 Remove engine cover...

Page 39: ...inside muffler 6 Replace screen if it is cracked plugged or has holes burned through 7 Assemble components in reverse order Exhaust Port Cleaning Level 2 1 Remove spark plug lead from spark plug and...

Page 40: ...exhaust emissions will stabilize Idle speed can be adjusted as required High Altitude Operation This engine has been factory adjusted to maintain satisfactory starting emission and durability perform...

Page 41: ...e otherwise serious personal injury may result Lubrication Level 1 Gear Housing 1 Clean all loose debris from gear case 2 Remove plug A and check level of grease 3 Add grease if necessary DO NOT over...

Page 42: ...ns 1 Press top of locking tabs A on both sides of Speed Feed head to release cover B from eyelet carrier C 2 Remove cover from eyelet carrier Nylon Line Replacement Wear Gloves or personal injury may...

Page 43: ...d trimmer head while turning knob clockwise to wind line onto spool until about 13 cm 5 in of each line remains exposed Trimmer head is now fully loaded and ready for operation When the wear indicator...

Page 44: ...maintain balance A blade that is not balanced will cause unsafe handling due to vibration and can result in blade failure 1 File each tooth at a 30 degree angle a specific number of times e g 4 strok...

Page 45: ...h OFF Electrical problem Interlock switch Turn switchto ON See your Echo dealer Spark at plug No spark Spark gap incorrect Covered with carbon Fouled with fuel Plug defective Adjust to 0 65mm 0 026in...

Page 46: ...rm Storage Over 30 Days Do not store your unit for a prolonged period of time 30 days or longer without performing protective storage maintenance which includes the following 1 Store unit in a dry dus...

Page 47: ...fuel 7 Allow engine to cool then remove the spark plug and pour 7 cc 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...

Page 48: ...Oil Fuel Oil Ratio 50 1 Power Blend XTM 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...

Page 49: ...SPECIFICATIONS X7502341900 49 10 2016 ECHO Inc ENGLISH Handle U Handle Shoulder Harness included Idle Speed 3 000 RPM Clutch Engagement Speed 4 100 RPM Wide Open Throttle Speed W O T 11 300 RPM MODEL...

Page 50: ...roduct on line It s FAST and EASY NOTE your information will never be sold or misused by ECHO Inc Registering your purchase enables us to contact you in the unlikely event of a service update or produ...

Page 51: ...SRM 2620U PRODUCT REGISTRATION X7502341900 51 10 2016 ECHO Inc ENGLISH...

Page 52: ...ECHO INCORPORATED 400 Oakwood Road Lake Zurich IL 60047 www echo usa com T94415001001 T94415999999...

Reviews: