MTD LT31C Operator's Manual

Operator’s ManualIMPORTANT: Read safety rules and instructions carefully before operating equipment.PRINTED IN U.S.A.PART NO. 769-01389 (12/04)LT31, L

10ASSEMBLY INSTRUCTIONSLT31CS:J-handle1. Place the J-handle between the top and middleclamp pieces (Fig. 3).(4) ScrewsTop ClampJ-Handle Middle ClampBo

11ASSEMBLY INSTRUCTIONSINSTALL CUTTING ATTACHMENT SHIELDUse the following instructions if the cutting attachmentshield on your unit is not installed.

12Install the cutting attachment shield when usingthe unit as a grass trimmerInstall the cutting attachment shield on the shield mountby inserting the

13BRUSHCUTTER ASSEMBLY INSTRUCTIONSCutting AttachmentLocking RodSlotLocking RodShaft Bushing HoleLocking Rod SlotOutput ShaftBushingLocking RodOutput

14Fig. 22LT31CS ONLY: REMOVE THE CUTTINGBLADE AND INSTALL THE CUTTINGATTACHMENTRemove the Cutting Blade1. Align the shaft bushing hole with the lockin

15OIL AND PETROL INFORMATIONNOTE: Dispose of the old petrol/oil mix in accordance toFederal, State and Local regulations.OIL AND PETROL MIXING INSTRUC

16STARTING/STOPPING INSTRUCTIONSOperate this unit only in awell- ventilated outdoorarea. Carbon monoxide exhaust fumes can be lethal ina confined area

17HOLDING THE TRIMMERBefore operating the unit, stand in the operating position(Fig. 27). Check for the following:• The operator is wearing eye protec

18Fig. 29Fig. 30DECORATIVE TRIMMINGDecorative trimming is accomplished by removing allvegetation around trees, posts, fences and more.Rotate the whole

19MAINTENANCE SCHEDULEPerform these required maintenance procedures at thefrequency stated in the table. These procedures shouldalso be a part of any

2INTRODUCTIONTABLE OF CONTENTSService Information . . . . . . . . . . . . . . . . . . . . . . . . .2Rules for Safe Operation . . . . . . . . . . . .

203. Remove spring from the inner reel (Fig. 32).4. Use a clean cloth to clean the the inner reel, spring,shaft, and inner surface of the outer spool.

21NOTE: The spring must be assembled on the inner reelbefore reassembling the cutting attachment.14. Hold the inner reel in place and install the bump

22Line Locking HoleTrimming LineLine Loading HoleEyelet5. Insert the line into the locking hole (Fig. 42). Do notpush the line more than a 12.7 mm (1/

23MAINTENANCE AND REPAIR INSTRUCTIONS4. Hold the inner reel in place and install the bumpknob, spring and foam seal. Press down and turn thebump knob

24MAINTENANCE AND REPAIR INSTRUCTIONSFig. 55Fig. 54NOTE: SplitLine™ can only be used with the inner reelwith the slotted holes. Single line can be use

25Fig. 59Spring13. Insert the ends of the line through the eyelets in theouter spool and place inner reel with spring inside theouter spool (Fig. 59).

26MAINTENANCE AND REPAIR INSTRUCTIONSFig. 61Fig. 62Fig. 63Fig. 646. Replace the air filter inside the air filter/muffler cover(Fig. 61).NOTE: Operatin

27MAINTENANCE AND REPAIR INSTRUCTIONSCARBURETOR ADJUSTMENTThe idle speed of the engine is adjustable through the airfilter/muffler cover (Fig. 66).NOT

28Adjust Idle Speed ScrewIf, after checking the fuel mixture and cleaning the airfilter, the engine still will not idle, adjust the idle speedscrew as

29MAINTENANCE AND REPAIR INSTRUCTIONSCLEANINGUse a small brush to clean off the outside of the unit.Do not use strong detergents. Household cleaners t

3RULES FOR SAFE OPERATIONREAD ALL INSTRUCTIONS BEFORE OPERATING• Read the instructions carefully. Be familiar with thecontrols and proper use of the u

30TROUBLESHOOTINGCAUSE ACTIONCutting attachment bound with grass Stop the engine and clean cutting attachmentCutting attachment out of line Refill wit

31SPECIFICATIONS*All specifications are based on the latest product information available at the time of printing. We reserve the right tomake changes

32NOTES

4• Always stop the engine and allow it to cool beforefilling the feul tank. Never remove the feul tank cap oradd fuel when the engine is hot. Never op

5• Do not attempt to touch or stop the blade when it isrotating.•A coasting blade can cause injury while it continues tospin after the engine is stopp

6SAFETY AND INTERNATIONAL SYMBOLSThis operator's manual describes safety and international symbols and pictographs that may appear on this produc

7KNOW YOUR UNITAPPLICATIONSAs a trimmer:• Cutting grass and light weeds• Edging• Decorative trimming around trees, fences, etc.Fuel CapThrottleControl

8APPLICATIONSAs a trimmer: • Cutting grass and light weeds• Edging• Decorative trimming around trees, fences, etc.CuttingAttachmentShieldFuel CapThrot

9KNOW YOUR UNITAPPLICATIONSAs a trimmer: • Cutting grass and light weeds• Edging• Decorative trimming around trees, fences, etc.As a brushcutter: • Cu