Specifications
Model | 357 |
Troubleshooting
ADDITIONAL PROBLEMS
DESCRIPTION
Engine Type | 2 cycle air cooled gas engine | |
Displacement | 35.5 cc (2.17 cu.in.) | |
Fuel | ||
Carburetor | Diaphragm (WALBRO Model WT) | |
Ignition | All transistor electronic ignition system | |
Spark Plug | Champion CJ6Y | |
................................................................. | For EMC compliance use NGK BPMR7A | |
Starting | ||
Stopping | Grounding (toggle switch) | |
Power transmission | Automatic centrifugal clutch | |
Chain lubrication | ........................................................ | Automatic |
Chain | 3/8" pitch, gauge 0.050" | |
Chain oil | Shindaiwa brand premium Bar and Chain Oil (or equivalent) | |
Fuel tank capacity | 265 ml (9.0 oz) | |
Oil tank capacity | 210 ml (7.1 oz) | |
Front/Rear Handles | Special | |
Cooling system | Forced air | |
Safety devices | Front guard, throttle lock, chain catcher and inertial brake | |
Weight (less bar and chain) | 4.2 kg (9.3 lbs) |
Symptom
Poor acceleration.
Engine stops abruptly.
Possible Cause
Clogged air cleaner.
Clogged fuel filter.
Chain brake engaged
Carburetor mixture too rich or too lean.
Idle speed set too low.
Spark arrester clogged
Switch turned off.
Fuel tank empty.
Clogged fuel filter.
Water in the fuel.
Shorted spark plug or loose terminal.
Ignition failure.
Remedy
Clean the air cleaner element.
Replace the fuel filter.
Inspect and/or test brake. Consult with an authorized servicing dealer.
Adjust carburetor.
Adjust:
Clean spark arrester. (See page 29).
Set the switch to ÒIÓ (ON),
Refuel.
Clean or replace filter as required.
Drain; replace with clean fuel.
Clean and replace spark plug. Tighten the terminal.
Consult with an authorized servicing dealer.
Tools Included
■Screwdriver
■Spark plug/13 mm socket wrench
■4 mm hex wrench
■5 mm hex wrench
WARNING!
Do not make unauthorized modifi- cations to this saw, guide bar, or chain!
Engine difficult to shut off.
Piston seizure.
Ground (stop) wire is disconnected, or switch is defective.
Overheating due to incorrect spark plug.
Consult with an authorized servicing dealer.
Test and replace as required.
Correct plug:
Champion CJ6Y. For EMC compliance use NGK BPMR 7A
RECOMMENDED BAR AND CHAIN COMBINATIONS
Overheated engine.
Idle engine until cool.
| Part Number | |
Size | Chain | Bar |
Oregon® 91 | ||
Oregon® 91 | ||
Oregon® 91 |
WARNING!
Replacement chain for this saw must meet applicable ANSI
Chain rotates at idle speed.
Excessive vibration.
Engine idle too high.
Broken clutch spring or shoe.
Worn or damaged sprocket, chain or bar.
Bent crankshaft.
Set idle:
Replace spring/shoes as required.
Inspect and replace chain components as required.
Consult with an authorized servicing dealer.
TROUBLESHOOTING
6
35