Installation Guide
Tools Needed:
- Adjustable wrench
- Screwdrivers (flat and Phillips)
- Pliers
- Socket set
- Safety gloves
Step-by-Step Assembly
- Unpack and Inspect: Remove all packaging materials and check for any shipping damage or missing parts.
- Handle Assembly: Attach the upper and lower handle sections using provided bolts and hardware. Ensure all connections are tight.
- Install Height Adjuster: Attach the cutting height adjustment lever to the designated position on the mower deck.
- Attach Grass Bag: If included, install the grass collection bag to the rear discharge chute following the provided instructions.
- Add Engine Oil: Fill the engine with the recommended SAE 30 motor oil to the proper level indicated on the dipstick.
- Add Fuel: Fill the fuel tank with fresh unleaded gasoline (minimum 87 octane). Do not overfill.
- Final Check: Ensure all bolts are tightened, safety features are functional, and the mower is ready for operation.
Specifications
| Model Series | CMXGRAM113 |
| Type | Gas-Powered Push Mower |
| Color | Red/Black |
| Cutting Width | 21 inches |
| Engine Type | Briggs & Stratton 140cc OHV |
| Cutting Height Range | 1.5 to 4 inches (6 positions) |
| Fuel Tank Capacity | 0.95 gallons |
| Oil Capacity | 20 oz (SAE 30) |
| Weight | 68 lbs |
| Wheel Size | 8 inches (front), 10 inches (rear) |
| Starting System | Recoil Pull Start |
| Deck Material | Steel with corrosion-resistant coating |
Warranty Information
- Full Warranty: 2 years limited warranty
- Engine Warranty: 3 years on Briggs & Stratton engine
- Additional Coverage: Optional extended protection plans available
For warranty service, contact Craftsman Customer Service at 1-888-331-4569 or visit Craftsman.com
Key Features
Briggs & Stratton Engine
Powered by a reliable 140cc Briggs & Stratton OHV engine designed for efficient performance and easy starting with minimal maintenance requirements.
Triple-Blade Cutting System
Three precision-balanced blades provide superior cutting performance and mulching capability for a cleaner, healthier lawn appearance.
6-Position Height Adjustment
Single-lever height adjustment allows quick changes to cutting height from 1.5 to 4 inches to accommodate different grass types and conditions.
Dura-Bilt Steel Deck
Heavy-duty steel construction with corrosion-resistant coating provides durability and protection against rust for extended mower life.
3-in-1 Discharge System
Versatile discharge options include rear bagging, side discharging, or mulching to suit different lawn care preferences and conditions.
Easy Fold Handle
Quick-fold handle design allows for compact storage, reducing required storage space by up to 70% when not in use.
Cutting System Explained
Mulching
Fine cuts grass clippings and returns them to lawn as natural fertilizer
Rear Bagging
Collects clippings in 2.5 bushel bag for clean lawn appearance
Side Discharge
Discharges clippings to side for cutting tall or wet grass
Height Adjustment
Single lever controls all four wheels for even cutting height
Blade Brake Clutch
Allows engine to run while blade is stopped for safe emptying
Wheel Size
Large rear wheels provide better traction and easier pushing
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine won't start | Empty fuel tank, stale gasoline, clogged air filter | Add fresh fuel, replace air filter, check spark plug |
| Poor cutting performance | Dull blades, incorrect cutting height, wet grass | Sharpen or replace blades, adjust height, wait for dry conditions |
| Engine runs rough or stalls | Dirty carburetor, old fuel, clogged fuel line | Clean carburetor, use fresh fuel, check fuel line |
| Excessive vibration | Unbalanced blade, loose components, bent blade | Balance or replace blade, tighten all bolts and nuts |
| Wheels hard to push | Low tire pressure, dragging brake, height too low | Inflate tires, adjust brake cable, raise cutting height |
| Grass not discharging properly | Wet grass, clogged deck, full bag | Wait for dry conditions, clean underside of deck, empty bag |
Maintenance Schedule
- Before Each Use: Check oil level, inspect blade, clear deck of debris
- Every 25 Hours: Sharpen blade, check air filter, inspect spark plug
- Every 50 Hours: Change oil, clean fuel system, check all cables
- Season End: Drain fuel, fog engine, clean thoroughly, store properly
- Season Start: Change oil, install fresh fuel, check all systems
- Annual: Replace air filter, spark plug, inspect and lubricate all moving parts
Manual Downloads
Current Model Manuals
CMXGRAM113
21-inch Push Mower
CMXGRAM115
21-inch Self-Propelled
CMXGRAM210
22-inch Push Mower
CMXGRAM310
21-inch Electric Start
Popular Previous Models
CMXGRAM100
21-inch Classic Series
CMXGRAM90
20-inch Push Mower
CMXGRAM80
21-inch Briggs Engine
CMXGRAM70
20-inch Value Series