Stihl MS 500i Instruction Manual page 6

English
1 Front Hand Guard
Helps protect the operator's left hand from projecting
branches and contact with the saw chain. Serves as the
activation lever for the chain brake.
2 Muffler with Spark Arresting Screen
Reduces engine exhaust noise and diverts exhaust
gases away from the operator. The spark arresting
screen is designed to reduce the risk of fire.
3 Bumper Spike
Helps hold the saw steady against the wood during
cutting.
4 Saw Chain
Toothed cutting tool consisting of cutters, tie straps and
drive links.
5 Guide Bar
Supports and guides the saw chain.
6 Chain Catcher
Helps contain the saw chain and reduce the risk of
operator contact in the event the chain breaks or comes
off the bar.
7 Side Chain Tensioner
Permits precise adjustment of saw chain tension.
8 Chain Sprocket
Drives the saw chain.
9 Chain Sprocket Cover
Covers the chain sprocket.
10 Nuts
Tighten the chain sprocket cover to the chain saw.
11 Shroud
Covers the air filter and engine.
12 Shroud Lock
Lock for the shroud.
13 Decompression Valve
Makes starting easier.
14 Spark Plug
Ignites the fuel-air mix in the engine.
4
15 Spark Plug Boot
Connects the spark plug with the ignition lead.
16 Air Filter
Filters the air drawn into the engine.
17 Filter Cover
Covers the air filter.
18 Filter Cover Lock
Secures the filter cover to the chain saw.
19 Throttle Trigger Lockout
Prevents activation of the throttle trigger until depressed.
20 Rear Handle
Handle for the operator's right hand.
21 Rear Hand Guard
Helps protect the operator's right hand in the event the
chain breaks or comes off the bar.
22 Throttle Trigger
Controls the speed of the engine.
23 Stop Switch
Shuts off the engine.
24 Manual Fuel Pump
Circulates fuel to make starting easier.
25 Fuel Filler Cap
Closes and seals the fuel tank.
26 Starter Grip
The grip of the pull starter for starting the engine.
27 Oil Flow Adjusting Screw
For adjusting the amount of chain oil.
28 Oil Adjustment Limiter
Limits travel of oil flow adjusting screw.
29 Oil Filler Cap
Closes and seals the oil tank.
30 Front Handle
Handle for the operator's left hand.
3 Main Parts
0458-809-8621-A