Description - Shindaiwa 451S Owner's/Operator's Manual

1. Silencer - The silencer controls the exhaust noise and
prevents hot, glowing particles of carbon from leaving the
silencer.
2. Front hand guard - Guard between the front handle and
the saw chain for protecting the hand from injuries and
aiding in control of the chain saw if the hand slips off the
handle.
This guard is used to activate the chain brake which is to
stop the saw chain rotation.
3. Rear handle (for the right hand) - Support handle locat-
ed towards the rear of the engine housing.
4. Rear hand guard - Extension on the lower part of the
rear handle for protecting the hand from the chain if it
breaks or degrooves.
5. Clutch cover - Protective cover to the guide bar, saw
chain, clutch and sprocket when the chain saw is in use.
6. Chain tension adjuster - Device to adjust chain tension.
7. Chain catcher - A projection designed to reduce the risk
of the operator's right hand from being hit by a chain
which has broken or derailed from the guide bar during
cutting.
8. Spiked bumper - Device, fitted in front of the guide bar
mounting point, acting as a pivot when in contact with a
tree or log.
9. Guide bar - The part that supports and guides the saw
chain.
10. Chain - Chain, serving as a cutting tool.

Description

11. Oil tank cap - For closing the oil tank.
12. Starter handle - The grip of the starter, for starting the
engine.
13. Fuel tank cap - For closing the fuel tank.
14. Momentary stop switch - Button for momentarily short-
ing ignition voltage, causing the engine to stop. This is
NOT an ON/OFF Ignition switch.
15. Throttle trigger - Device activated by the operator's fin-
ger, for controlling the engine speed.
16. Throttle trigger lockout - A safety lever which must be
depressed before the throttle trigger can be activated in
order to prevent the accidental operation of the throttle
trigger.
17. Purge bulb (primer pump) - When starting engine, push
primer pump 3 or 4 times.
18. Choke control knob - Device for enriching the fuel / air
mixture in the carburettor to aid cold starting.
19. Cleaner cover latch - Device for installing the air cleaner
cover.
20. Air cleaner cover - Covers air filter.
21. Front handle (for the left hand) - Support handle locat-
ed at the front of the engine housing.
22. Cylinder cover - The cooling air flow grill.
It cover the cylinder, spark plug and silencer.
23. Safety decal - Part number X505-010150
24. Type and serial number
25. Operator's manual - Included with unit.
Read before operation and keep for future reference to
learn proper, safe operating techniques.
26. Tools - 13 x 19 mm T-wrench (combination screwdriver
/ spark plug socket).
27. Guide bar cover - Device for covering the guide bar and
saw chain during transport and other times when the
chain saw is not in use.
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