Vevor RH-650A User Manual

The Vevor RH-650A is a 6.5-inch Rotary Hammer Drill with SDS-Plus chuck system, featuring variable speed control, forward/reverse rotation, hammer-only mode, drill-only mode, and hammer-drill combined mode. It operates on 120V AC, 60Hz, with a maximum impact energy of 3.5 Joules and a no-load speed of 0-1100 RPM. Below are key sections for safety, features, installation, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Safety Instructions 3. Installation & Setup 4. Specifications 5. Controls and Functions 6. Operating Instructions 7. Maintenance & Care 8. Accessories 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: SDS-Plus chuck, variable speed trigger, mode selector switch, depth gauge, auxiliary handle, dust extraction port.

FeatureDescription
SDS-Plus ChuckQuick-change system for SDS-Plus drill bits
Variable Speed TriggerControls drilling speed from 0 to 1100 RPM
Mode Selector SwitchSelects Hammer Only, Drill Only, or Hammer Drill mode
Forward/Reverse SwitchChanges rotation direction for drilling/screwdriving
Auxiliary HandleSide handle for better control and stability
Depth GaugeAdjustable rod for consistent drilling depth
Dust Extraction PortConnects to vacuum for dust collection
Overload ProtectionPrevents motor damage from excessive load
Vibration ControlReduced vibration handle for user comfort
LED Work LightIlluminates dark work areas

Safety Instructions

Read all instructions before use. Wear appropriate PPE.

  1. Always wear safety glasses, ear protection, and dust mask.
  2. Secure workpiece before drilling.
  3. Keep hands away from rotating parts and drill bit.
  4. Disconnect power before changing accessories or making adjustments.
  5. Do not force the tool - let it work at its own rate.

WARNING! Electric shock hazard. Do not expose to rain or wet conditions. Keep cord away from heat, oil, and sharp edges.

Installation & Setup

Unpack and inspect all components.

  1. Insert SDS-Plus bit: Pull chuck sleeve forward, insert bit until it clicks, release sleeve.
  2. Attach auxiliary handle: Loosen handle clamp, position on tool body, tighten securely.
  3. Set depth gauge: Loosen depth gauge lock, adjust to desired depth, tighten lock.
  4. Connect to power: Use 3-prong grounded outlet only.

CAUTION! Ensure tool is unplugged during setup. Verify all connections are secure.

Specifications

Controls and Functions

Main controls located on tool body and handle.

Front Panel: Mode selector switch (Hammer/Drill/Hammer Drill), Forward/Reverse switch, Depth gauge adjustment.

Handle Area: Variable speed trigger, Lock-on button, Auxiliary handle mounting point.

Operation Modes: Hammer Only (for chiseling), Drill Only (for wood/metal), Hammer Drill (for concrete/masonry).

Speed Control: Press trigger lightly for low speed, fully for maximum speed. Lock-on button for continuous operation.

Operating Instructions

Follow these steps for proper operation.

  1. Select appropriate mode for material: Hammer Drill for concrete, Drill Only for wood/metal.
  2. Set rotation direction: Forward for drilling, Reverse for removing screws or backing out bits.
  3. Adjust depth gauge for consistent hole depth.
  4. Hold tool firmly with both hands: Main handle and auxiliary handle.
  5. Start drilling: Apply steady pressure, let tool do the work.
  6. For deep holes: Periodically withdraw bit to clear dust.
  7. Use dust extraction: Connect vacuum to dust port when drilling overhead or in enclosed spaces.

Tip: Use sharp bits. Dull bits cause excessive heat and reduce tool life.

Maintenance & Care

Regular maintenance ensures optimal performance.

  1. After each use: Clean exterior with dry cloth.
  2. Monthly: Inspect power cord for damage.
  3. Every 6 months: Apply grease to chuck mechanism (use SDS-Plus grease only).
  4. Ventilation slots: Keep clean and free of debris.
  5. Carbon brushes: Have qualified technician replace when worn (approx. every 100 hours).

CAUTION! Disconnect from power before maintenance. Use only Vevor-approved parts.

Accessories

Standard accessories included:

Recommended accessories (sold separately):

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. CE certified for European safety standards. RoHS compliant. Copyright © 2025 Vevor. All rights reserved. For technical support, visit www.vevor.com/support or contact 1-888-935-6688.

Troubleshooting

SymptomPossible CauseCorrective Action
Tool doesn't startNo power / Switch positionCheck power outlet; ensure mode switch is properly set; check circuit breaker.
Reduced powerWorn brushes / OverheatingReplace carbon brushes; allow tool to cool for 15 minutes.
Excessive vibrationWorn chuck / Damaged bitReplace chuck mechanism; use new, undamaged drill bit.
Bit doesn't holdDirty chuck / Worn SDS mechanismClean chuck with compressed air; replace if worn.
OverheatingContinuous heavy use / Dull bitAllow cooling breaks; use sharp bits; reduce pressure.
Hammer action weakLow grease / Worn mechanismApply SDS-Plus grease; have serviced if problem persists.

Service: For repairs, contact authorized Vevor service center only.

Warranty: 1-year limited warranty from date of purchase.

Vevor RH-650A User Manual © - All Rights Reserved 2025