ICS 633GC - User Manual

Other manuals for ICS 633GC

Operator's Manual28 pages

Questions and Answers

N
Nancy HuffmanAug 5, 2025
Why does my ICS Saw have poor acceleration?
- T
  thomas12Aug 5, 2025
  Poor acceleration in your ICS Saw can stem from several issues. A dirty or clogged air filter can restrict airflow, so clean or replace it. Similarly, a clogged fuel filter can impede fuel flow, requiring replacement. An incorrect carburetor tune can also cause poor acceleration. Additionally, a plugged fuel tank breather or a blocked pulse tube can disrupt the fuel system, so repair or replace the fuel tank breather and replace the pulse tube.
N
Nicholas ReedAug 11, 2025
Why is my ICS Saw engine overheating?
- R
  Ricardo EnglishAug 11, 2025
  If your ICS Saw engine is overheating, several factors could be responsible. The operator might be overworking the saw. The carburetor mixture might be too lean. The fuel/oil ratio might be incorrect. Flywheel or cylinder fins could be clogged, so clean them. The air deflector might be missing.
M
Michael LeAug 16, 2025
How to reduce excessive vibration in my ICS Saw?
- J
  Jacob GarciaAug 16, 2025
  Excessive vibration in your ICS Saw can be attributed to a few key issues. A damaged shock absorber could be the culprit; if so, replace the shock absorbers. Damaged or broken flywheel fins can also cause vibration, necessitating flywheel replacement. In more severe cases, a bent crankshaft might be the cause, requiring crankshaft replacement.
K
karen23Aug 23, 2025
Why does my ICS Saw engine run rough at all speeds?
- J
  Jennifer HillAug 23, 2025
  If the engine of your ICS Saw runs rough at all speeds, it could be due to a few reasons. The air filter might be dirty or clogged, so clean or replace it. The spark plug might be loose or dirty, so tighten, clean, or replace it.
M
Matthew WilsonOct 29, 2025
What to do if my ICS Saw will not start?
- U
  uwallaceOct 29, 2025
  If your ICS Saw won't start, there are several potential causes. First, ensure the ignition switch is in the 'ON' position. Check the spark plug: it might be loose, fouled, gapped improperly, or internally faulty. Clean, tighten, re-gap (to 0.020 inch or 0.05 mm), or replace the spark plug as needed. Also, the fuel could be old, varnished, or contaminated; in this case, empty the tank and refill with fresh fuel of the correct mixture (50:1). Other possible issues include a dirty or broken recoil starter (clean, rebuild, or replace it), a clogged fuel filter (replace it), a damaged fuel line or pulse tube (replace them), or a plugged fuel tank breather (repair or replace it). Inspect for internal damage such as seized piston. Also check for faulty ignition ground (tighten connections or rep...

Summary

Tools

Service Tool Kit

Lists the ICS® 633GC Service Tool Kit part number and individual tool descriptions.

Specifications

Saw Technical Specifications

Spare Parts Diagram

Air Intake

Air Intake System Servicing

Spark Plug

Spark Plug Removal and Inspection

Steps for removing, cleaning, and inspecting the spark plug.

Clutch & Rim Sprocket

Clutch Removal and Inspection

Procedures for removing, inspecting, and assembling the clutch and rim sprocket.

Starter

Starter Assembly and Disassembly

Covers removal, replacement, and assembly of the starter components.

Cylinder Cover

Cylinder Cover Removal and Installation

Muffler

Muffler Removal and Installation

Carburetor

Carburetor Removal and Installation

Steps for removing and installing the carburetor.

Cylinder & Piston

Cylinder and Piston Removal

Procedures for removing the cylinder, piston, and related components.

Ignition Coil

Ignition Coil Removal and Installation

Steps for removing, inspecting, and installing the ignition coil.

Flywheel

Flywheel Removal and Installation

Fuel Tank

Fuel Tank Removal and Separation

Crankcase

Crankcase Disassembly

Procedures for removing crankcase seals and crankshaft bearings.

Tensioner

Carburetor Tuning

Basic Carburetor Settings

Procedures for setting the carburetor to basic adjustments and idle speed.

Idle Speed Adjustment

Adjusting Idle Speed

How to adjust the idle speed for proper engine operation.

Diagrams

Fuel System Leaks

Fuel System Leak Testing

Crankcase

Crankcase Leak Testing

ICS 633GC Specifications

General

Engine	2 Stroke, Air cooled
Displacement	101cc (6.2 cu in)
Carburetor	Walbro WGAK3, Throttle shaft sealed
Ignition	Selettra electronic – Water resistant
Spark Plug	Champion CJ7Y or Bosch BWS7F
Engine Break-in Period	One tank, without feed load, cycling throttle
Horsepower	6.5 HP (4.8kw) @ 8700 RPM
Idling Speed	2800-3200 rpm
No Load Maximum Speed	11, 500+/-500 rpm, Mechanically governed
Bar Lengths	14 in (36cm) & 16 in (41cm)
Actual Cutting Lengths	14 in (36cm) & 16.2 in (41cm)
Chain Speed	4, 950 fpm (25m/s), free running)
Fuel ratio	4%, (25:1 gasoline/oil)
Fuel Capacity	1 Liter (34oz)
Clutch	Centrifugal, three shoe, single spring
Vibration Level	8 meters/sec² (front handle)
Noise Level	102dB at 3 ft (1m)
Water Pressure Requirements	Minimum: 20 psi (1.4 bar)
Water Flow Requirements	2 gpm(8 lpm) minimum