The DeWalt DCMWSP650Y2 is a 65V MAX* 21-inch Self-Propelled Cordless Electric Lawn Mower, part of the FLEXVOLT ADVANTAGE system. It features a brushless motor, 7.5Ah battery, variable speed self-propel drive, 6-position single-lever height adjustment, mulching/bagging/side discharge capabilities, LED headlights, and weather-resistant construction. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.
Key components: 21-inch steel deck, FLEXVOLT ADVANTAGE 65V MAX* battery system, Brushless motor, Variable speed self-propel drive, 6-position height adjustment lever, Mulching plug, Grass bag, LED headlights, Weather-resistant construction.
| Feature | Description |
|---|---|
| Power Source | 65V MAX* FLEXVOLT ADVANTAGE Battery System (7.5Ah included) |
| Cutting Width | 21 inches |
| Drive System | Variable Speed Self-Propel (Forward only) |
| Height Adjustment | Single Lever, 6 positions (1.5" to 4") |
| Cutting Options | Mulch, Bag, Side Discharge |
| Motor Type | Brushless (maintains power, longer life) |
| Headlights | Integrated LED for low-light conditions |
| Safety Key | Removable key to prevent accidental start |
| Handle | 3-position folding for compact storage |
| Wheels | 8-inch rear, 7-inch front |
Unpack and inspect all parts. Assembly requires basic tools (included).
WARNING! Ensure mower is powered OFF and battery is removed during assembly. Tighten all fasteners securely.
Before first mow, read all safety instructions. Ensure area is clear of debris.
CAUTION! Always wear appropriate safety gear (eye protection, sturdy footwear). Keep bystanders clear.
Primary controls located on the upper handle for easy operation.
Handle Controls: Safety Bail Handle (must be held to run), Start Button, Drive Control Lever (variable speed), Height Adjustment Lever.
Deck Features: Discharge Chute (for side discharge), Mulching Plug, Bag Attachment Point.
Battery Compartment: Located at rear of mower. Battery Fuel Gauge shows charge level.
Settings: Cutting Height (Lever positions 1-6, 1=lowest, 6=highest). Drive Speed (controlled by pressure on lever).
Three cutting modes: Mulching, Bagging, Side Discharge.
Tip: For best mulching, mow frequently and avoid cutting more than 1/3 of grass height at once.
Uses DeWalt 65V MAX* / 20V MAX* FLEXVOLT ADVANTAGE batteries.
WARNING! Use only DeWalt chargers and batteries. Do not charge damaged batteries.
Regular maintenance ensures optimal performance and longevity.
CAUTION! Always remove battery before performing any maintenance. Ensure mower is completely powered off.
Read and understand all instructions before use. Failure to follow warnings can result in serious injury.
DeWalt DCMWSP650Y2 is backed by a 3-year limited warranty (battery: 3-year, tool: 3-year). Proof of purchase required. This product is designed for residential use.
Macrovision / Copyright: DeWalt and the yellow/black color scheme are trademarks of DeWalt, a Stanley Black & Decker company.
For technical support, replacement parts, or warranty service:
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Mower will not start | Safety key not inserted, Battery not installed/charged, Bail handle not engaged | Insert safety key fully. Install charged battery. Firmly hold bail handle against upper handle. |
| Self-propel does not work | Drive lever not engaged, Obstruction in drive system | Squeeze drive control lever. Check for debris around wheels/axles. Ensure mower is on level ground to start. |
| Poor cutting performance | Dull blade, Cutting height too low, Wet grass, Deck clogged | Sharpen or replace blade. Raise cutting height. Mow when grass is dry. Clean underside of deck. |
| Battery drains quickly | Old/damaged battery, Extreme conditions, High load (thick grass, high speed) | Check battery health. Use a fresh, fully charged battery. Mow at a slower pace in difficult conditions. |
| Uneven cut | Uneven tire pressure, Dull/bent blade, Deck not level | Check all tires. Inspect and service blade. Level the mower deck (consult advanced manual). |
| Excessive vibration/noise | Loose blade/fastener, Damaged blade, Foreign object in blade area | STOP IMMEDIATELY. Remove battery. Inspect blade assembly and deck interior. Tighten all fasteners. |
Reset: If electronic controls behave unexpectedly, remove battery and safety key for 60 seconds, then reinsert.
Service: For repairs not covered in this manual, contact DeWalt authorized service centers.