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7HFKQLFDO ,QIRUPDWLRQ
1HZ 67,+/ &KDLQVDZV 6HULHV
The STIHL 046 is a new high-performance profes-
sional chainsaw. It has been developed on the
basis of the STIHL 044.
The engine delivers ample power and high torque
at relatively low revs and is characterized by
outstanding reliability and a long service life.
A new longlife air filter system with easily changed
filter elements and optimized sealing helps reduce
maintenance and increases operational reliability.
The new lightweight flywheel with polymer fan and
small, low weight high-power magnets increases
cooling air throughput by 30 %. Its lower weight
also improves engine acceleration from idle to
maximum speed and enhances operator control of
the saw.
The decompression valve releases the compres-
sion in the combustion chamber during starts and
thus reduces the effort required to pull the starter
rope. This helps minimize physical effort during
starts and greatly improves operator comfort.
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Related Manuals for Stihl 1128 Series
Summary of Contents for Stihl 1128 Series
- Page 1 7HFKQLFDO ,QIRUPDWLRQ 1HZ 67,+/ &KDLQVDZV 6HULHV The STIHL 046 is a new high-performance profes- The new lightweight flywheel with polymer fan and small, low weight high-power magnets increases sional chainsaw. It has been developed on the basis of the STIHL 044.
- Page 2 The peripheral sealing lips on the filter element provide a seal against dirt and dust. The STIHL 046 can be adapted to suit different operating conditions by installing different filter elements. Conversions are simple and require no tools: •...
- Page 3 7HFKQLFDO ,QIRUPDWLRQ 3DJH The fabric of the HD filter element (2) must be impregnated with STIHL HD filter oil before it is used for the first time. Filter efficiency is severely impaired in the dry condition. The saw comes with a 100 ml (3.5 fl.oz) bottle of filter oil.
- Page 4 7HFKQLFDO ,QIRUPDWLRQ 3DJH 'HFRPSUHVVLRQ 9DOYH &RQVWUXFWLRQ The main components of the decompression valve are the body (1) and plunger (2). The plunger (2) moves axially in the valve body. The bottom end of the plunger is cone-shaped. Three spring-loaded balls (3), hold the plunger (2) in its upper or lower position.
- Page 5 7HFKQLFDO ,QIRUPDWLRQ 3DJH 7DQN 9HQW The STIHL 046 is equipped with an optimized fuel tank vent valve. Air enters the fuel tank when there is a slight vacuum of approx. 0.05 bar (0.725 psi), and is expelled from the tank when pressure reaches approx.
- Page 6 &UDQNFDVH&\OLQGHU $VVHPEO\ This assembly uses 6 mm mounting screws and a sheet steel cylinder gasket. See also service note. 6SHFLILFDWLRQV (QJLQH STIHL single-cylinder two-stroke engine with special impregnated cylinder bore Displacement: 76.5 cm (4.67 cu.in) Bore: 52 mm (2.05 in) Stroke: 36 mm (1.42 in)
- Page 7 6.5 kg (14.3 lb) Power to weight ratio 2.55 lbs/bhp 6SHFLDO $FFHVVRULHV IRU 8VHU STIHL repair kit 046 1128 900 5001 3/8", 7-tooth rim sprocket kit*1128 007 1000 3/8", 8-tooth rim sprocket kit 1128 007 1001 3/8", 7-tooth spur sprocket* 1128 640 2000 3/8", 8-tooth spur sprocket...
- Page 8 7HFKQLFDO ,QIRUPDWLRQ 3DJH Part Name Part No. Application Rem. Carburetor and 1106 850 2905 Testing carburetor and crankcase tester crankcase for leaks Vacuum pump 0000 850 3501 Testing crankcase for leaks - Nipple 0000 855 9200 - Fuel line 1110 141 8600 Plug 1122 025 2200...
- Page 9 Application Lubricating grease 0781 120 1111 Oil seals, oil pump drive, chain sprocket bearing Cleaning crankshaft stub STIHL special lubricant 0781 417 1315 Bearing bore in rope rotor, rewind spring in starter cover Electrician’s repair kit 0000 007 1013 STIHL multipurpose grease...
- Page 10 +' )LOWHU $VVHPEO\ The HD filter used in the STIHL 046 has already been introduced on the STIHL 044 (TI 20.95), STIHL 066 (TI 10.95) and STIHL 084 (TI 18.95).
- Page 11 7HFKQLFDO ,QIRUPDWLRQ 3DJH 7LJKWHQLQJ 7RUTXHV Fastener Thread For component Torque lbf.ft Rem. size Screw B 2.9 x 9,5 Switch housing 0.75 Screw B 3.9 x 19 Handle molding Spline screw IS-M4x12 Generator Spline screw IS-M4 x 8 Chain tensioner cover plate Spline screw IS-M4x12...
- Page 12 (hair dryer). 7DNH FDUH RQ SRO\PHU FRPSRQHQWV 5HSDLU 7LPHV The repair times for the STIHL 044 also apply to the STIHL 046. 6SDUH 3DUWV The clutch, rewind starter and chain brake have been taken from the STIHL 044.
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