Homelite 330 Chainsaw Parts Manual

The Homelite 330 is a professional-grade chainsaw designed for demanding cutting tasks. This parts manual provides detailed diagrams, part numbers, and ordering information for all components of the Homelite 330 chainsaw, including the engine assembly, cutting system, fuel system, ignition system, and housing. Below are key sections for safety, parts identification, diagrams, ordering, and maintenance.

1. Safety Information 2. Parts Identification 3. Exploded Diagrams 4. Parts List & Ordering 5. Specifications 6. Engine Assembly Parts 7. Cutting System Parts 8. Fuel & Ignition System Parts 9. Housing & Handle Parts 10. Maintenance & Care 11. Troubleshooting & Service

Safety Information

Before handling, disassembling, or ordering parts for your Homelite 330 chainsaw, review these critical safety warnings.

Warning	Description
Disconnect Spark Plug	Always disconnect the spark plug wire before performing any maintenance or parts replacement to prevent accidental starting.
Use Genuine Parts	Use only genuine Homelite replacement parts to ensure proper fit, performance, and safety.
Personal Protective Equipment (PPE)	Wear gloves and safety glasses when handling parts, especially sharp components like the chain and bar.
Work Area	Work in a clean, well-lit area. Keep parts organized to avoid loss or incorrect reassembly.
Fuel Safety	Drain fuel before working on the fuel system. Work in a well-ventilated area away from sparks or flames.

Parts Identification

Key components of the Homelite 330 chainsaw.

Engine Assembly: Cylinder, piston, crankshaft, carburetor, muffler.
Cutting System: Guide bar, saw chain, drive sprocket, chain brake, clutch.
Fuel System: Fuel tank, fuel filter, fuel lines, carburetor.
Ignition System: Spark plug, ignition coil, stop switch, wiring.
Housing & Handles: Main housing, rear handle, front handle, anti-vibration mounts.
Controls: Throttle trigger, throttle lock, choke control, master control lever.

WARNING! Incorrect part installation can lead to equipment failure, injury, or death. Refer to diagrams.

Exploded Diagrams

Refer to the following exploded-view diagrams to identify part relationships and locations. (Note: In a full manual, images would be inserted here).

Diagram 1: Complete Chainsaw Assembly
Diagram 2: Engine Assembly (Cylinder, Piston, Crankshaft)
Diagram 3: Cutting Attachment (Bar, Chain, Sprocket, Clutch)
Diagram 4: Fuel System and Air Filter
Diagram 5: Ignition System and Wiring
Diagram 6: Housing, Handles, and Controls

CAUTION! Match the part number from the diagram to the parts list for accurate ordering.

Parts List & Ordering

Ordering Method: Use the part number listed in the tables below when contacting an authorized Homelite dealer or parts distributor.
Model Verification: Ensure you have a Homelite 330. The model number is located on the identification label on the housing.
Serial Number: Provide the serial number for precise parts matching, especially for engine components.
Kit Parts: Some parts (e.g., gasket sets, piston rings) are sold as kits.

Specifications

Engine Displacement: 3.3 cu. in. (54cc)
Engine Type: 2-stroke, air-cooled
Fuel Mix: Gasoline with 2-cycle oil (50:1 ratio recommended)
Guide Bar Lengths: 16", 18", 20" (options)
Chain Pitch/Gauge: .325" pitch, .058" gauge (standard)
Ignition: Electronic ignition
Weight: Approximately 13.2 lbs (powerhead only)
Applications: Felling, bucking, limbing, general firewood cutting.

Engine Assembly Parts

Critical engine components and their part numbers.

Part Description	Part Number	Notes
Cylinder Assembly	HL-330-045	Includes cylinder and decompression valve port
Piston Assembly (Complete)	HL-330-112	Includes piston, rings, wrist pin, circlips
Crankshaft Assembly	HL-330-087	Includes bearings on both ends
Carburetor (Walbro WT Series)	HL-330-201	Complete assembly
Muffler with Spark Arrestor	HL-330-156	Meets USDA Forest Service standards
Carburetor Repair Kit	HL-330-202-KIT	Includes gaskets, diaphragm, needle valve

Cutting System Parts

Parts for the guide bar, chain, and drive mechanism.

Guide Bar: Part number varies by length (e.g., HL-BAR-16, HL-BAR-18).
Saw Chain (Loop): Specify pitch, gauge, and drive link count (e.g., HL-CHAIN-72DL).
Drive Sprocket (Rim Type): HL-330-301.
Clutch Assembly: HL-330-295.
Chain Brake Band & Handle: HL-330-410 (Band), HL-330-415 (Handle).
Bar Nuts & Cover Plate: HL-330-511 (Nut Set), HL-330-512 (Plate).

Tip: Always replace the drive sprocket when replacing the chain for even wear.

Fuel & Ignition System Parts

Components for fuel delivery and spark generation.

Part Description	Part Number
Fuel Tank Assembly	HL-330-601
Fuel Line (Internal)	HL-330-605
Fuel Filter	HL-330-610
Spark Plug (Champion RCJ-6Y)	HL-PLUG-001
Ignition Coil Module	HL-330-710
Stop Switch / Wiring Harness	HL-330-715

Housing & Handle Parts

External parts, handles, and vibration dampeners.

Main Housing (Crankcase): HL-330-801
Rear Handle with Trigger: HL-330-810 (Complete)
Front Handlebar: HL-330-820
Anti-Vibration Mount Set (4 pcs): HL-330-830-KIT
Starter Assembly (Rope, Pulley, Spring): HL-330-840
Air Filter Cover & Knob: HL-330-850 (Cover), HL-330-851 (Knob)

WARNING! Cracked handles or housings must be replaced. Do not operate with damaged structural parts.

Maintenance & Care

Regular maintenance part replacement schedule.

Daily/Before Use: Check chain sharpness and tension. Inspect for loose parts.
Weekly/10 Hours: Clean air filter. Check spark plug condition.
Seasonal/50 Hours: Replace fuel filter. Inspect and clean spark arrestor. Check anti-vibration mounts.
Annual/100 Hours: Consider replacing fuel lines. Inspect clutch and sprocket for wear.

CAUTION! Use only recommended lubricants (bar and chain oil, 2-cycle oil).

Troubleshooting & Service

Symptom	Possible Faulty Part	Part Number Reference
Engine will not start	Spark plug, Ignition coil, Fuel filter	HL-PLUG-001, HL-330-710, HL-330-610
Engine runs poorly/lacks power	Carburetor kit, Piston rings, Air filter	HL-330-202-KIT, HL-330-112, HL-330-850
Chain does not turn	Clutch assembly, Drive sprocket	HL-330-295, HL-330-301
Excessive vibration	Anti-vibration mounts, Crankshaft bearings	HL-330-830-KIT, (Part of HL-330-087)
Oil leaking from housing	Crankcase seals, Fuel lines	HL-330-088 (Seal Kit), HL-330-605

Service Note: For complex repairs like crankshaft or cylinder replacement, consider professional service.

Homelite Support: For technical assistance and to locate authorized service centers, visit the official Homelite website or contact customer service.