Chainsaw CS 450 Parts List Manual

The Chainsaw CS 450 is a professional-grade chainsaw featuring a 45cc engine, 18-inch guide bar, automatic chain oiler, anti-vibration system, quick-stop chain brake, and easy-start technology. This parts list manual provides comprehensive information on all components, assembly, maintenance, and replacement parts. Below are key sections for safety, parts identification, assembly instructions, maintenance procedures, and ordering information.

1. Parts Identification 2. Assembly Instructions 3. Maintenance Schedule 4. Specifications 5. Engine Components 6. Cutting System Parts 7. Safety Features 8. Troubleshooting 9. Parts Ordering 10. Warranty Information 11. Safety Guidelines

Parts Identification

Key components: Engine assembly, guide bar, chain, sprocket, chain brake, throttle trigger, choke lever, fuel tank, oil tank, air filter, spark plug, starter assembly.

Part Number	Description	Quantity
CS450-001	45cc Engine Assembly	1
CS450-002	18-inch Guide Bar	1
CS450-003	Professional Cutting Chain	1
CS450-004	Drive Sprocket	1
CS450-005	Chain Brake Assembly	1
CS450-006	Anti-Vibration System	1 set
CS450-007	Automatic Chain Oiler	1
CS450-008	Fuel Tank (500ml)	1
CS450-009	Oil Tank (300ml)	1
CS450-010	Air Filter Assembly	1

Assembly Instructions

Unpack and inspect all parts before assembly.

Attach guide bar: Loosen bar nuts, position bar on studs, align chain groove.
Install chain: Place chain over sprocket, ensure cutting teeth face forward.
Tension chain: Adjust tensioning screw until chain snaps back when pulled.
Secure bar nuts: Tighten nuts evenly to specified torque (8-10 Nm).
Fill tanks: Add 2-stroke oil mixture to fuel tank, bar/chain oil to oil tank.

WARNING! Always wear protective gloves during assembly. Ensure chain is properly tensioned before operation.

Maintenance Schedule

Regular maintenance ensures optimal performance and safety.

Daily: Check chain tension, sharpness, and lubrication.
Weekly: Clean air filter, inspect spark plug, check all fasteners.
Monthly: Clean cooling fins, check fuel lines, inspect bar for wear.
Seasonally: Replace spark plug, clean carburetor, check anti-vibration mounts.
Annually: Professional inspection of engine components and safety systems.

CAUTION! Disconnect spark plug wire before performing maintenance.

Specifications

Engine: 45cc 2-stroke, air-cooled.
Power Output: 2.2 kW (3.0 HP).
Guide Bar Length: 18 inches (45 cm).
Chain Pitch: 3/8 inch.
Chain Gauge: 0.050 inch.
Fuel Capacity: 500 ml.
Oil Capacity: 300 ml.
Weight: 5.2 kg (without bar and chain).
Sound Level: 105 dB(A).
Vibration Level: 4.5 m/s².

Engine Components

Complete breakdown of engine assembly parts.

Cylinder & Piston: Cylinder (CS450-101), Piston (CS450-102), Piston Rings (CS450-103), Connecting Rod (CS450-104).

Carburetor: Complete carburetor assembly (CS450-105), Fuel Filter (CS450-106), Throttle Cable (CS450-107).

Ignition System: Spark Plug (CS450-108), Ignition Coil (CS450-109), Stop Switch (CS450-110).

Starting System: Starter Assembly (CS450-111), Recoil Spring (CS450-112), Starter Rope (CS450-113).

Cutting System Parts

Components related to the cutting assembly.

Guide Bar: Replace if rails are worn or damaged.
Chain: Regular sharpening required; replace when stretched beyond adjustment.
Sprocket: Check for wear monthly; replace if teeth are hooked.
Chain Brake: Test before each use; replace band if worn.
Oiler System: Clean oil ports weekly; replace pump if not lubricating.

Tip: Rotate guide bar regularly to ensure even wear.

Safety Features

Chain Brake: Manual and inertia-activated. Throttle Lockout: Prevents accidental throttle engagement. Right-Hand Guard: Protects from kickback. Anti-Vibration System: Reduces operator fatigue. Chain Catcher: Prevents broken chain from striking operator.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Fuel issues, spark plug	Check fuel mixture, clean spark plug, ensure choke position correct.
Chain won't turn	Brake engaged, clutch issues	Disengage chain brake, check clutch springs and drum.
Poor cutting performance	Dull chain, bar issues	Sharpen chain, check bar rails, adjust chain tension.
Excessive vibration	Loose components, mounts	Tighten all fasteners, check anti-vibration mounts.
Chain not oiling	Clogged ports, pump failure	Clean oil ports, check oil pump, ensure tank filled.

Reset: For electronic issues, disconnect spark plug wire for 30 seconds.

Parts Ordering

Use part numbers when ordering replacements. Contact authorized dealers or visit www.chainsawcs450parts.com. Include model number (CS 450) and serial number from engine housing.

CAUTION! Use only genuine replacement parts to maintain safety and warranty.

Warranty Information

2-year limited warranty on engine and major components. 1-year warranty on cutting attachments. Warranty covers defects in materials and workmanship. Does not cover normal wear, misuse, or improper maintenance. For warranty claims, contact authorized service center with proof of purchase.

Safety Guidelines

Always wear: Safety glasses, hearing protection, gloves, chainsaw chaps, steel-toed boots. Never operate: With one hand, above shoulder height, on unstable surfaces. Keep bystanders: At least 15 feet away. Fuel safely: Mix outdoors, store in approved containers. Transport: Engage chain brake, use scabbard over bar.

Emergency: 1-800-CHAINSAW; www.chainsawcs450safety.com