Page 2 - RULES FOR SAFE OPERATION; A. Kickback Safety Precautions for Chain Saw Users
2 CS-352 RULES FOR SAFE OPERATION A. Kickback Safety Precautions for Chain Saw Users 1. With a basic understanding of kickback, you can reduce or eliminate the element of surprise. Sudden surprise contributes to accidents. 2. Keep a good firm grip on the saw with both hands, the right hand on the re...
Page 3 - B. Other Safety Precautions
3 CS-352 B. Other Safety Precautions 1. Do not operate a chain saw with one hand! Serious injury to the operator, helpers, bystanders, or any combination of these persons may result from one-handed operation. A chain saw is intended for two- handed use. 2. Do not operate a chain saw when you are fat...
Page 4 - SYMBOLS AND SIGNS; CORRECT USE OF CHAIN BRAKE
4 CS-352 WARNING The safety alert symbol accompanied by the word “WARNING” calls attention to an act or condition which CAN lead to serious personal injury or death if not avoided. CIRCLE AND SLASH SYMBOL This symbol means the specific action shown is prohibited. Ignoring these prohibitions can resu...
Page 5 - SYMBOL FORM; DECALS
5 CS-352 SYMBOL FORM TO AVOID KICKBACK 1. Hold the chain saw firmly with both hands. 2. Don’t let the nose of the guide bar contact any obstruction. 3. Tip contact may suddenly move the guide bar upward and backward, which may cause serious injury. DECALS Locate these safety decals on your unit. Mak...
Page 6 - • Never suspend the saw on a lanyard with the engine running.; NEVER; serious property damage or personal injury may result.; ALWAYS; DO NOT; WARNING
6 CS-352 WARNING Using improper replacement components or removing safety devices may result in serious or fatal injury. WARNING • During operation, the muffler or catalytic muffler and surrounding cover become hot. • Never suspend the saw on a lanyard with the engine running. • Always use the saw f...
Page 7 - PACKING LIST; An Emission Control Label
7 CS-352 PACKING LIST The ECHO product you purchased has been factory pre-assembled for your convenience. Due to packag- ing restrictions, guide bar and saw chain installation and other assembly may be necessary. After opening the carton, check for damage. Immediately notify your retailer or ECHO de...
Page 8 - NOMENCLATURE OF PARTS
8 CS-352 NOMENCLATURE OF PARTS 18 13 14 15 17 16 5 4 8 7 10 11 12 3 2 1 9 20 6 21 19 22 22 X7503270900 X750015400 08/11 Chain Saw Instruction Manual MODELS : CS-352 WARNING DANGER This chain saw is intended for professional or experienced chain saw operators. Read and understand the instructions con...
Page 10 - NEVER from the left side.; OPERATOR SAFETY
10 CS-352 VIBRATION AND COLD • It is believed that a condition called Raynaud’s Phe - nomenon, which affects the fingers of certain individu - als, may be brought about by exposure to vibration and cold. Exposure to vibration and cold may cause tin- gling and burning followed by loss of color and nu...
Page 11 - SPARK ARRESTOR MUFFLER; DANGER
11 CS-352 SPARK ARRESTOR MUFFLER • The spark arrestor muffler controls the exhaust noise and prevents hot, glowing particles of carbon from leaving the muffler. Make sure the spark arrestor screen is in good repair and prop- erly seated in the muffler. • Certain internal combustion engines operated ...
Page 12 - PREPARATION FOR USE; Saw chain is sharp! Always wear gloves when; KICK GUARD; GUIDE BAR AND SAW CHAIN IN-
12 CS-352 PREPARATION FOR USE Bolt (A) Dimple (D) Recess (E) Front hole (C) Rear hole (B) Nut (F) Guide bar Kick Guard ® WARNING Saw chain is sharp! Always wear gloves when handling assembly, otherwise serious personal injury may result. KICK GUARD ® TO BAR INSTRUC- TIONS 1. Install bolt (A) in rear...
Page 13 - ADJUSTING CHAIN TENSION; IMPORTANT
13 CS-352 4. Unlock the chain brake, and mount guide bar on studs and slide toward clutch to make saw chain installation easier. Install chain with cutters on top of guide bar facing forward. 5. Install the clutch cover over the guide bar studs. En- sure chain tension adjuster pin fits into the guid...
Page 14 - FUEL AND LUBRICANT; FUEL STATEMENT
14 CS-352 IMPORTANT • ECHO premium Power Blend X™ Universal 2-Stroke Oil may be mixed at 50 : 1 ratio for application in all ECHO engines sold in the past regardless of ratio specified in those manuals. • Use of unmixed, improperly mixed, or fuel older than 90 days, (stale fuel), may cause hard star...
Page 15 - HANDLING FUEL; CHAIN LUBRICANT
15 CS-352 HANDLING FUEL MIXING INSTRUCTIONS - 1. Fill an approved fuel container with half of the required amount of gasoline. 2. Add the proper amount of two-stroke oil to gasoline.3. Close container and shake to mix oil with gasoline. 4. Add remaining gasoline, close fuel container, and re- mix. I...
Page 16 - opEration
16 CS-352 opEration WARNING Moving parts can amputate fingers or cause severe injuries. Keep hands, clothing and loose objects away from all openings. Always stop engine, disconnect spark plug, and make sure all moving parts have come to a com - plete stop before removing obstructions, clearing debr...
Page 17 - WHEN THE ENGINE IS COLD; CAUTION; NOTE
17 CS-352 Start / Run Ignition switch Chain brake Starter handle Choke Choke control knob Purge pump WHEN THE ENGINE IS COLD CAUTION Make sure the bar and chain are free from any obstruction when starting the chain saw. • Move chain brake lever fully forward to lock chain brake before starting. • Fi...
Page 18 - Open choke; RUNNING; Non-adjustable automatic oil pump; STOPPING; NOTICE; STOP; WHEN THE ENGINE IS WARM; Make sure the bar and chain are free from any
18 CS-352 Open choke Choke control knob Chain brake RUNNING • When engine starts, keep idling for a few minutes. • Set the brake lever in the unlocked position before starting to cut. • Pull throttle trigger gradually and increase revolution of the engine. • The chain starts running when the engine ...
Page 19 - CHECKING CHAIN TENSION; CHAIN LUBRICATION TEST; CUTTING INSTRUCTION; GENERAL
19 CS-352 CHECKING CHAIN TENSION • Chain tension should be checked frequently during work and corrected as necessary. CAUTION Do not operate with a loose chain. CHAIN LUBRICATION TEST Hold the chain just above a dry surface and open the throttle to half speed for 30 seconds. A thin line of “thrown” ...
Page 20 - FELLING THE TREE
20 CS-352 FELLING THE TREE A falling tree can seriously damage anything it may hit - a car, a house, a fence, a power-line, or another tree. There are ways to make a tree fall where you want it, so first decide where that is! Before cutting, clear the area around the tree. You will need good footing...
Page 22 - CHAIN BRAKE OPERATION; If the chain does not stop immediately, return the; • When using throttle latch at starting, keep the chain
22 CS-352 Chain brake function When the lever is pushed forward, chain brake instantly stops the chain. Chain brake unlock When the lever is fully pulled toward the operator, brake is unlocked. CHAIN BRAKE OPERATION • Set the lever in the unlocked position before starting to cut. • If the brake is t...
Page 23 - End of the guide bar may be placed at the; AUTOMATIC CHAIN BRAKE; WINTER OPERATION; Rear handle
23 CS-352 End of the guide bar may be placed at the height of about 55 cm (22 in.). 55 cm (22 in.) AUTOMATIC CHAIN BRAKE Kickback produced from the tip of the guide bar will trip the automatic chain brake. To make sure that the auto- matic chain brake operates properly, follow these steps: 1. Stop t...
Page 24 - CHAIN AND GUIDE BAR COMBINATION; SAW CHAIN; Do not use replacement saw chain unless; GUIDE BAR
24 CS-352 CHAIN AND GUIDE BAR COMBINATION The following combinations are recommended for model CS-352 . Guide Bar Saw chain Length Part No. Pitch Part No. Links mm (in) Double Guard mm (in) 305 (12) 12A0CD3745 9.53 (3/8) 91VG45CQ, 91P45CQ 45 356 (14) 14A0CD3752 9.53 (3/8) 91VG52CQ, 91P52CQ 52 406 (1...
Page 25 - MAINTENANCE AND CARE; skill; Level; REPOWER; maintEnanCE
25 CS-352 MAINTENANCE AND CARE COMPONENT/ SYSTEM MAINTENANCE PROCEDURE REQ'D SKILL LEVEL DAILY OR BEFORE USE EVERY REFUEL 3 MONTHS OR 90 HOURS YEARLY 600 HOURS Air Filter Inspect/Clean 1 I / C * R * Automatic Oiler Inspect/Adjust 1 I Oil Filter Inspect/Replace 1 I I/C * Fuel System Inspect/Replace 1...
Page 26 - Cutting attachment must not move when unit is; When starting, idling adjustment speed should; CARBURETOR ADJUSTMENT; High Altitude Operation
26 CS-352 Every unit is run at the factory and the carburetor is set in compliance with Emission Regulations. In addition, the carburetor is equipped with “H” (High Speed) and “L” (Low Speed) needle adjustment limiters that prevent settings outside acceptable limits. 1. Before adjusting carburetor c...
Page 28 - OIL FILTER
28 CS-352 GUIDE BAR • Clean before using. - Clean the groove of the guide bar with a small screw - driver. - Clean oil holes with a wire. • Reverse guide bar periodically. • Check sprocket and the clutch and clean the bar mount area before installation of the bar. Replace either or both if worn. SPR...
Page 29 - EXHAUST PORT CLEANING; Level 2
29 CS-352 EXHAUST PORT CLEANING Level 2 Parts Required: As needed: Muffler gasket 1. Remove cylinder cover and remove spark plug lead. 2. Place piston at top dead center. Remove muffler (A) and muffler gasket (B). 3. Use a wood or plastic scraping tool to clean deposits from cylinder exhaust port. I...
Page 30 - SETTING THE SAW CHAIN; SETTING SAW CHAIN
30 CS-352 SETTING THE SAW CHAIN Important points for proper maintenance of saw chain: • Keep the cutters sharp at all times. • Keep the left and the right cutters properly aligned. - Note that blunt or irregular cutters will result in poor cutting performance, increased vibration of chains and prema...
Page 32 - TROUBLESHOOTING
32 CS-352 TROUBLESHOOTING WARNING Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by grounding spark plug near cylinder plug hole, otherwise serious personal injury may result. T R A H C G N I T O O H S E L B U O R T M E L B O R P E N I G N E m ...
Page 33 - Do not store in an enclosure where fuel; Do not lend or rent your chain saw without; MODEL
33 CS-352 STORAGE AFTER USE * Technical data subject to change without notice. TECHNICAL DATA WARNING Do not store in an enclosure where fuel fumes may accumlate or reach an open flame or spark. CAUTION Do not lend or rent your chain saw without the Instruction manual and Safety manual. NOTICE • For...
Page 34 - arranty
34 CS-352 ECHO LIMITED WARRANTY STATEMENT FOR PRODUCT SOLD IN USA AND CANADA BEGINNING 01/01/2010 ECHO'S RESPONSIBILITY ECHO Incorporated’s Limited Warranty, provides to the original purchaser that this ECHO product is free from defects in material and workmanship. Under normal use and maintenance f...
Page 37 - notEs
Page 40 - always; Replacement Operator, Safety Manuals, and Parts Catalogs
CONSUMER PRODUCT SUPPORT 1-800-673-1558 8:30 - 4:30 Mon - Fri C.S.T. ECHO, INCORPORATED 400 O akwOOd R Oad L ake Z uRich , iL 60047-1564 www.echo-usa.com DEALER? Call 1-800-432-ECHO 1-800-432-3246 or www.echo-usa.com C19711005001-C19711999999 C19612020001/C19612999999 s ErviCing i nformation parts /...
