English / USA
Specifications
Definitions
EPA / CEPA:
1.
Starter Grip
9. Spark Plug Boot
Connects the spark plug to the
ignition lead.
The Emission Compliance Period
referred to on the Emissions
The grip of the pull starter, which is
the device to start the engine.
Compliance Label indicates the number
of operating hours for which the engine
has been shown to meet Federal
emission requirements.
2.
3.
4.
5.
Carburetor Adjusting Screws
10. Screw Plug
For tuning the carburetor.
Seals filler opening for gearbox
grease.
Air Filter Cover
Encloses and protects the air filter.
11. Drilling spindle
Category:
For attaching the chuck or adapter
to the power drill.
Fuel Filler Cap
A = 300 hours,
B = 125 hours,
C = 50 hours
For closing the fuel tank.
12.
Fuel Pump
Muffler
Provides additional fuel feed for a
cold start.
(with spark arresting screen)
Reduces exhaust noises and
diverts exhaust gases away from
operator.
CARB:
The Emission Compliance Period used
on the CARB Air Index Label indicates
the terms:
13. Choke Knob
Operates choke to enrich the
mixture for easier engine starts.
6.
Slide Control
Extended = 300 hours,
For starting throttle, run and stop.
Keeps the throttle partially open
during starting, switches the
engine’s ignition off to stop the
engine.
14. Auger Brake Activating Lever
Lever for engaging and disengaging
the auger brake.
Intermediate = 125 hours,
Moderate = 50 hours
15.
Padding
Helps cushion thigh against handle
frame.
Engine
STIHL single cylinder two-stroke engine
7.
8.
Throttle Trigger Interlock
Must be depressed before the
throttle trigger can be activated.
Displacement:
1.88 cu.in3
Throttle Trigger
(30.8 cm )
Controls the speed of the engine.
Bore:
1.38 in
(35
mm)
1.26 in
mm)
Stroke:
(32
Engine power
to ISO 8893
1.8 bhp
(1.3
KW)
Max. engine speed
without auger
Idle speed
12,300 rpm
2,800 rpm
28
BT 121
| Categories | Auger Drill Manuals, Stihl Auger Drill Manuals |
|---|---|
| Tags | STIHL BT 121 |
| Download File |
|
| Document Type | Operator's Manual |
| Language | English, Español |
| Product Brand | STIHL. Stihl Inc, USA - Corporate phone: (757) 486-9100. International Support Information: http://stihl.com Email: info@stihl.com, Auger |
| Document File Type | |
| Publisher | stihl.com |
| Wikipedia's Page | Stihl |
| Copyright | Attribution Non-commercial |
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