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MasterCraft SC20BST Instruction Manual
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MasterCraft SC20BST Instruction Manual

Grass trimmer/ edger
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model no. SC20BST
IMPORTANT:
Read and understand this instruction manual thoroughly
before using the product.
GRASS TRIMMER/
EDGER
INSTRUCTION
MANUAL

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Summary of Contents for MasterCraft SC20BST

  • Page 1 SC20BST GRASS TRIMMER/ EDGER INSTRUCTION IMPORTANT: Read and understand this instruction manual thoroughly MANUAL before using the product.
  • Page 2 headline bars continuation tabs notes warnings...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Technical Specifications Safety Guidelines Key Parts Diagram Operating Instructions Maintenance Troubleshooting Parts List Warranty NOTE: If any parts are missing or damaged, or if you have any questions, please call our toll-free helpline at 1-800-689-9928. SAVE THESE INSTRUCTIONS •...

  • Page 4: Technical Specifications

    SC20BST | contact us 1-800-689-9928 TECHNICAL SPECIFICATIONS Rated Voltage 20 V d.c. No-load Speed 7,700 RPM Cutting-line Diameter 0.065” (1.65 mm) Cutting Width 12” (30.5 cm) *Maximum battery voltage without workload; with workload nominal voltage is 18 V.

  • Page 5: Safety Guidelines

    SAFETY GUIDELINES: WARNING! Safety symbols in this Instruction Manual are used to flag possible dangers. The safety symbols and their explanations require your full understanding. The safety warnings do not, by themselves, eliminate any danger, nor are they substitutes for proper accident prevention measures.
  • Page 6 SC20BST | contact us 1-800-689-9928 • Avoid dangerous environments. Don’t use appliances in damp or wet locations. PERSONAL SAFETY • Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol or medication.
  • Page 7 • Maintain power tools and accessories. Check for misalignment or binding of moving parts, breakage of parts and any other condition that may affect the power tool’s operation. If damaged, have the power tool repaired before use. Many accidents are caused by poorly maintained power tools.
  • Page 8 SC20BST | contact us 1-800-689-9928 • Never service damaged battery packs. Service of battery packs should only be performed by the manufacturer or authorized service providers. ADDITIONAL SAFETY GUIDELINES • The label on your tool may include the following symbols. The symbols and their definitions are as follows: V ......
  • Page 9 • If the power tool should start to vibrate abnormally or become noisy, stop the motor and check immediately for the cause. Abnormal noise is generally a warning of trouble. • Keep guards in place and in working order. Make sure all proper guards and other safety devices are properly and securely attached before using this product.

  • Page 10: Key Parts Diagram

    SC20BST | contact us 1-800-689-9928 PACKAGE CONTENTS: Cordless trimmer, safety guard, auxiliary handle, flower guard, edging wheel, 2 screws. KEY PARTS DIAGRAM continuation tabs notes Description No. Description warnings Lock-off button Angle-adjustment button On/off switch Flower guard...

  • Page 11: Operating Instructions

    OPERATING INSTRUCTIONS fig 1 Safety guard INSTALL/REMOVE THE SAFETY GUARD (fig 1) 1. Insert the ribs of the safety guard into the slots on the trimmer head. 2. Align the holes on the safety guard with the holes Trimmer on the trimmer head, and then use the screws head (included) to lock the safety guard.
  • Page 12 SC20BST | contact us 1-800-689-9928 INSTALL THE EDGING WHEEL (fig 3) fig 3a Wheel 1. Align two slots on the wheel with the metal plate on the trimmer head, and then fully insert the wheel onto the metal plate.
  • Page 13 ADJUST THE DIRECTION OF UPPER fig 5 SHAFT (fig 5) 1. Pull the upper shaft rotation collar backward and Upper shaft hold on the knob. rotation collar 2. Turn the upper shaft for 90° in a clockwise direction and then release the knob to lock the upper shaft.
  • Page 14 SC20BST | contact us 1-800-689-9928 TO ATTACH BATTERY PACK (fig 8) fig 8 1. Make sure that the switch is in the OFF position. 2. Align the raised portion on the battery pack with the grooves on the bottom of the tool, and then slide the battery pack onto the tool as shown.
  • Page 15 TO START/STOP THE TRIMMER (fig 9) fig 9 Lock-off button 1. To turn the trimmer on, press the lock-off button and then depress the on/off switch. 2. To turn it off, release the on/off switch and allow the trimmer to come to a complete stop. TRIMMING 1.
  • Page 16 SC20BST | contact us 1-800-689-9928 AUTOMATIC LINE FEED SYSTEM (fig 11) fig 11 When initially switching on the trimmer, a small Feed length of line is fed out. Each time the tool is started button from rest it will advance same amount trimmer line.
  • Page 17 MANUALLY FEED THE LINE (fig 12) fig 12a Spool cap If required, line can be fed out manually. Before manually feeding, remove the battery first. To operate, press and release manual line feed button Slot Spool base (fig 11), while gently pulling out the lines until the lines reach the line cutter.
  • Page 18 SC20BST | contact us 1-800-689-9928 WIND THE SPOOL WITH NEW LINE fig 13a (fig 13) Spool hole 1. Detach the spool cap and spool from the spool base (refer to ). Remove the old cutting line fig 12 from the spool.

  • Page 19: Maintenance

    MAINTENANCE CHECK FOR DAMAGED/WORN PARTS BEFORE EACH USE Check the trimmer head, safety guard and auxiliary handle and replace any parts that are cracked, warped, bent, or damaged in any way. The line cutter on the edge of the guard can dull over time. It is recommended that you periodically sharpen it with a file or replace it with a new blade.

  • Page 20: Troubleshooting

    SC20BST | contact us 1-800-689-9928 TROUBLESHOOTING Problem Possible causes Solutions The trimmer doesn’t The battery is depleted. Charge the battery pack. work. The battery pack is overloaded. Decrease the load on the trimmer. The battery pack is too hot.

  • Page 21: Parts List

    EXPLODED VIEW...
  • Page 22 SC20BST | contact us 1-800-689-9928 No. Part No. Description No. Part No. Description SC20BST01 Secondary Handle SC20BST32 Left Swivel Arm SC20BST02 Right Handle SC20BST33 Angle-adjustment Button SC20BST03 Right Decorative Cover SC20BST34 Right Housing SC20BST04...

  • Page 23: Warranty

    This product is guaranteed for a period of 3 years from the date of original retail purchase against defects in workmanship and materials, except for the following components: a) Component A: Batteries, chargers and carrying case, which are guaranteed for a period of 2 years from the date of original retail purchase against defects in workmanship and materials;...
  • Page 24 SC20BST | contact us 1-800-689-9928 h) this warranty will not apply to normal deterioration of the exterior finish, such as, but not limited to, scratches, dents, paint chips, or to any corrosion or discolouring by heat, abrasive and chemical cleaners;...
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