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  5. Operator's Manual

Echo SRM - 3100 Operator's Manual

Summary of SRM - 3100

  • Page 1

    Grass trimmer/brush cutter operator's manual models, srm - 3100, 3110 type 2/2e srm - 3100s type 1/1e serial number 001001 & up srm - 3400 type 1/1e serial number 001001 - 541792 warning danger read rules for safe operation and instructions carefully. Echo provides an operator's manual and a safety ...

  • Page 2: –

    2 warning danger read rules for safe operation and instructions carefully. Echo provides an operator's manual and a safety manual. Both must be read and understood for proper and safe operation. I ntroduction welcome to the echo family. This echo product was designed and manufactured to provide long...

  • Page 3

    G rass t rimmer /b rush c utter o perator ' s m anual 3 this symbol accompanied by the words warning and danger calls attention to an act or condition that can lead to serious personal injury to operator and bystanders. The circle with the slash symbol means whatever is shown within the circle is pr...

  • Page 4

    4 shaft decal warning danger • this unit can be dangerous and cause serious injury if improperly used. To reduce injury risk to operator, helpers and bystanders, read and understand the operator's and safety manuals. • blindness can occur from objects that are thrown or ricocheted even with shield i...

  • Page 5

    G rass t rimmer /b rush c utter o perator ' s m anual 5 fuel warning danger fuel is very flammable. Use extreme care when mixing, storing or handling or serious personal injury may result. • use an approved fuel container. • do not smoke near fuel. • do not allow flames or sparks near fuel. • fuel t...

  • Page 6

    6 3m (10 ft.) after refueling; • wipe any spilled fuel from the unit. • move at least 3 m (10 ft.) from refueling location before starting. After use; • do not store a unit with fuel in its tank. Leaks can occur. Return unused fuel to an approved fuel storage container. Personal condition & safety e...

  • Page 7

    G rass t rimmer /b rush c utter o perator ' s m anual 7 15m (50 ft.) proper clothing wear snug fitting, durable clothing; • pants should have long legs, shirts with long sleeves. • do not wear shorts, • do not wear ties, scarves, jewelry. Wear sturdy work shoes with non-skid soles; • do not wear ope...

  • Page 8

    8 keep a firm grip • hold the front and rear handles with both hands with thumbs and fingers firmly encircling the handles keep a solid stance • maintain footing and balance at all times. Do not stand on slippery, uneven or unstable surfaces. Do not work in odd positions or on ladders. Do not over r...

  • Page 9

    G rass t rimmer /b rush c utter o perator ' s m anual 9 √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ contents list i t e m s 1 - power head 1 - drive shaft assembly 1 - plastic bag (co-pack) - 1, operator's manual - 1, safety manual - 1, warranty registration card - 1, limited warranty st...

  • Page 10

    10 26 19 17 18 20 21 23 24 25 3 7 8 9 10 5 6 4 11 3 22 14 12 5 7 15 16 13 1 2 important engine information engine family: seh034u824ra displacement: 30.5 cc this engine meets u.S. Epa ph1 emission regulations for small non road engines. Refer to owner's manual for maintenance specifications and adju...

  • Page 11

    G rass t rimmer /b rush c utter o perator ' s m anual 11 1. Operator's manual - included in plastic bag (co-pack). Read before operation and keep in a safe place for future reference, i.E., operation, maintenance, storage and specifications. 2. Safety manual - included in plastic bag (co-pack). Read...

  • Page 12

    12 m o d e l s r m -3 1 0 0 2 /2 e s r m -3 1 0 0 s 1 /1 e s r m -3 1 1 0 2 /2 e s r m -3 4 0 0 1 /1 e l e n g th 1 5 0 0 m m (5 9 .0 in .) 1 5 0 0 m m (5 9 .0 in .) 1 5 0 0 m m (5 9 .1 in .) 1 5 3 0 m m (6 0 .2 in .) w i d th 3 3 0 m m (1 3 .0 in .) 3 3 0 m m (1 3 .0 in .) 6 0 0 m m (2 3 .6 in .) 3...

  • Page 13

    G rass t rimmer /b rush c utter o perator ' s m anual 13 a a ssembly drive shaft / power head tools required: 8mm x 10mm open end wrench, 4 mm hex wrench parts required: power head, drive shaft assembly 1. Stand powerhead upright on a level surface. 2. Loosen, the two (2) bolts at engine drive shaft...

  • Page 14

    14 blade installation all models. Important if non-standard monofilament head, metal/plastic blade or cultivator etc. Is used, the carburetor must be re-set or serious engine damage may occur. See "carburetor adjustment" page 31 - 32and "specifica- tion" page 12 of this manual for proper adjustment ...

  • Page 15

    G rass t rimmer /b rush c utter o perator ' s m anual 15 1. If necessary, remove nylon line head and plastic shield. 2. Loosely attach bracket (a) to shield (b) and attach to bottom of gear housing (c) with screws and nuts provided. Tighten all attaching hardware. Install blade tools required: locki...

  • Page 16

    16 a b c 7. Remove front handle. A. Remove four (4) screws and nuts and handle support from handle. B. Remove front handle. 8. Install harness clamp. A. Slightly spread clamp and slide up shaft. B. Install single link using spacer, do not tighten at this time. 9. Install gear housing and shield and ...

  • Page 17

    G rass t rimmer /b rush c utter o perator ' s m anual 17 a b c front handle installation tools required: screwdriver. Parts required: front handle assembly 1. Position front handle on drive shaft, do not tighten screws yet. 2. Position front handle for comfortable operation and secure screws. U - ha...

  • Page 18

    18 d f h g d e 400 mm (15-3/4 in.) 220 mm (8-5/8 in.) engine end k l j h 5. Loosen screws (d) and remove center shaft location bolt (e). 6. Loosen two (2) rear handle screws (f) and pull rear handle (g) from the drive shaft assembly. 7. Loosen screw and pull harness clamp (h) from drive shaft assemb...

  • Page 19

    G rass t rimmer /b rush c utter o perator ' s m anual 19 m a b c 12. Secure throttle linkage and ignition leads to drive shaft with cable ties supplied. 13. Install power head and align gear box, power head and u-handles. Tighten all screws. 14. Place throttle linkage in slot in bracket. One nut and...

  • Page 20: - O

    20 p re - o peration operation with blades preparing the trimmer/brush cutter for blade use warning danger blade use demands specific brush cutter configuration. Operation without specified shield and harness can result in serious personal injury. Plastic and nylon blades require "blade conversion k...

  • Page 21

    G rass t rimmer /b rush c utter o perator ' s m anual 21 8 tooth weed/grass blade is designed for grass, garden debris and thick weeds. Do not use this blade for brush or heavy woody growth, 3/4" in. (19 mm) diameter or larger. Srm-3100 series p/n 69600120331 srm-3400 series p/n 69600121431 brush/cl...

  • Page 22

    22 fuel fuel requirements gasoline - use 89 octane [ ] (mid grade or higher) gasoline or gasohol known to be good quality. Gasohol may contain up to 10% ethyl (grain) alcohol or 15% mtbe (methyl tertiary-butyl ether). Gasohol containing methyl (wood) alcohol is not approved. Two stroke oil - a two-s...

  • Page 23

    G rass t rimmer /b rush c utter o perator ' s m anual 23 3m (10 ft.) s m t w t f s 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 after refueling; - wipe any spilled fuel from the unit. - move at least 3 m (10 ft.) from refueling location before starting the engi...

  • Page 24

    24 15m (50 ft.) • check that front (loop) handle and shoulder strap/ or shoulder/ waist harness are adjusted for safe, comfortable operation. See assembly section for proper adjustment. Determine operation area • review the area to be trimmed. Look for hazards that could contribute to unsafe conditi...

  • Page 25

    G rass t rimmer /b rush c utter o perator ' s m anual 25 starting cold engine warning danger the cutting attachment should not rotate at idle. If attachment rotates, readjust carburetor according to "carburetor adjustment" instructions in this manual or see your echo dealer, otherwise serious person...

  • Page 26

    26 d a a starting warm engine warning danger the cutting attachment should not rotate at idle. If attachment rotates, readjust carburetor according to "carburetor adjustment" instructions in this manual or see your echo dealer, otherwise serious personal injury may result. 1. Stop switch - start/run...

  • Page 27

    G rass t rimmer /b rush c utter o perator ' s m anual 27 m aintenance your echo trimmer is designed to provide many hours of trouble free service. Regular scheduled maintenance will help your trimmer achieve that goal. If you are unsure or are not equipped with the necessary tools, you may want to t...

  • Page 28

    28 air filter level 1. Tools required: 25-50mm (1in. Or 2in.) medium bristle paint brush. Parts required: 90030 repower tm air & fuel filter kit. 1. Close choke (cold start position). This prevents dirt from entering the carburetor throat when the air filter is removed. Brush accumulated dirt from t...

  • Page 29

    G rass t rimmer /b rush c utter o perator ' s m anual 29 spark plug level 2. Tools required: scrench (combination socket wrench & screw driver) feeler gauge, preferably a wire gauge. Brush. Parts required: spark plug, ngk bpm-7a p/n 15901010630. 1. Remove spark plug and check for fouling, worn and r...

  • Page 30

    30 c d e all models 3. Use the wooden stick or brush to remove dirt from the cylinder fins. 4. Remove grass and leaves from the grid between the recoil starter and fuel tank. Note on srm-3100, 3110 type 2e models only, when installing the engine cover, be certain the tab of the metal deflector shiel...

  • Page 31

    G rass t rimmer /b rush c utter o perator ' s m anual 31 c d e b srm- 3100s, 3400 type 1/1e 1b. Remove three (3) screws retaining muffler cover (b). All models 2. Place piston at top dead center (tdc) to prevent carbon/dirt from entering cylinder. 3. Remove screen holder (c), gasket (d) and screen (...

  • Page 32

    32 6. Accelerate to full throttle for 2-3 seconds to clear excess fuel from engine then return to idle. Accelerate to full throttle to check for smooth transition from idle to full throttle. If engine hesitates, turn lo needle (b) ccw an additional 1/8 turn and repeat accelera- tion. Continue adjust...

  • Page 33

    G rass t rimmer /b rush c utter o perator ' s m anual 33 fine tuning (requires accurate tachometer) 1. Start engine and allow to warm to operating temperature (minimum 2 - 3 minutes) varying engine speed from idle to full throttle. 2. Always begin fine tuning with lo (b) needle. A. Lean drop-off - w...

  • Page 34

    34 a lubrication level 1. Tools required: 8 mm open end wrench, screwdriver, clean rag. Parts required: lithium base grease. Gear housing 1. Clean all loose debris from gear box. 2. Remove plug (a) and check level of grease. 3. Add grease if necessary, do not over fill. Drive shaft srm-3100, 3110 ty...

  • Page 35

    G rass t rimmer /b rush c utter o perator ' s m anual 35 2. Use one piece of new nylon line (c) 12m (40 ft.) long and thread through the molded loop (d) on the spool. Pull line tight and adjust so one end is 15 cm (6 in.) longer than the other. 3. Hold spool with the tap knob in your hand and openin...

  • Page 36

    36 e e d d b c a a nylon line replacement srm-3100s, 3400 tools required: head locking tool (if head is to be removed) parts required: echo 0.105 in. Nylon trimmer line 15m (50 feet) long. 1. Shut engine off. Lay unit on the ground with head assembly up. 2. Hold head firmly and push in cover tabs (a...

  • Page 37

    G rass t rimmer /b rush c utter o perator ' s m anual 37 sharpening metal blades three styles of metal blades are approved for use on the echo brushcutter. The 8-tooth blade can be sharpened during normal maintenance. The clearing blade and 80 tooth blade require profes- sional service. Before sharp...

  • Page 38

    38 problem engine -- starts hard engine -- does not start cause remedy engine cranks fuel at carburetor no fuel at carburetor fuel strainer clogged fuel line clogged carburetor clean clean see your echo dealer fuel at cylinder no fuel at cylinder carburetor see your echo dealer muffler wet with fuel...

  • Page 39

    G rass t rimmer /b rush c utter o perator ' s m anual 39 s torage long term storage (over 30 days) do not store your unit for a prolonged period of time (30 days or longer) without performing protective storage mainte- nance which includes the following: 1. Store unit in a dry, dust free place, out ...

  • Page 40: Dealer?

    Echo, incorporated 400 o akwood r oad l ake z urich , il 60047 dealer? Call 1-800-432-echo echo incorporated 400 oakwood road lake zurich, il 60047 technical publications orders consumer product support 1-800-673-1558 8 - 5 mon - fri c.S.T. S ervicing i nformation parts genuine echo parts and echo r...