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Stihl MS 151 TC, Instruction Manual, Page: 30 / 36

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Stihl MS 151 TC Instruction Manual Download Page 30

25 Main Parts

13

4

23

9

11

3006BA013 KN

14

15

10

18

16

25

#

H

LL

LA

1

2

3

5

6

7

8

12

17

19

20

21

22

24

1 Control handle
2 Throttle trigger lockout
3 Master Control lever
4 Throttle trigger
5 Carburetor adjusting screws
6 Spark plug boot
7 Muffler
8 Chain sprocket cover
9 Chain sprocket
10 Chain brake
11 Chain tensioner
12 Chain catcher
13 Spiked bumper 

1)

14 Guide bar
15 Oilomatic chain
16 Oil filler cap
17 Fuel filler cap
18 Hand guard
19 Handlebar
20 Starter grip
21 Choke lever

22 Manual fuel pump
23 Carburetor box cover
24 Carburetor box cover twist lock
25 Ring for rope
# Serial number

26 Specifications

26.1

Engine

Single-cylinder two-stroke engine
Displacement:

23.6

3

Cylinder bore:

34 mm

Piston stroke:

26 mm

Engine power to ISO 7293: 1.1 kW (1.5 HP) at

10000 rpm

Idling speed:

1

3000 rpm

26.2

Ignition system

Electronic magneto ignition
Spark plug (suppressed): NGK CMR 6 H

Electrode gap:

0.5 mm

26.3

Fuel system

All-position diaphragm carburetor with integral

fuel pump
Fuel tank capacity:

200 cm

3

 (0.2 l)

26.4

Chain lubrication

Fully automatic, speed-controlled oil pump
Oil tank capacity:

150 cm

3

 (0.15 l)

26.5

Weight

dry, without cutting attachment

MS 151 TC:

2.6 kg

26.6

Cutting attachment

The actual cutting length may be less than the

specified cutting length.
26.6.1

Rollomatic E Mini guide bars

Cutting lengths:

25, 30 cm

Pitch:

1/4” P (6.35 mm)

Groove width:

1.1 mm

Sprocket nose:

8-tooth

26.6.2

Carving E guide bars

Cutting lengths:

30 cm

Pitch:

1/4” P (6.35 mm)

Groove width:

1.1 mm

1)

available as special accessory

1)

according to ISO 11681 +/- 50 1/min

English

25 Main Parts

30

0458-508-8321-B

Summary of Contents for MS 151 TC

Page 1: ...STIHL MS 151 TC Instruction Manual 2 32 ...

Page 2: ...dern production techni ques and comprehensive quality assurance Every effort has been made to ensure your satis faction and trouble free use of the product Please contact your dealer or our sales company if you have any queries concerning this product Your Dr Nikolas Stihl 1 Guide to Using this Manual This Instruction Manual refers to a STIHL chain saw also called a machine in this Instruction Man...

Page 3: ...p bystanders especially children and ani mals away from the work area The user is responsible for avoiding injury to third parties or damage to their property Do not lend or rent your chain saw without the instruction manual All users must be specially trained in tree surgery work with a tree surgery saw and be familiar with this model and its oper ation To operate a chain saw you must be rested i...

Page 4: ...stem Use only certified equipment that is suitable for the application concerned Check the condition of the equipment before use and replace broken parts 2 4 Transporting Always stop the engine engage the chain brake and fit the chain guard scabbard before carry ing the saw short distances This avoids the risk of the chain running unintentionally 0012BA024 KN Always carry the saw by the control ha...

Page 5: ... trigger and trigger lockout must move freely and spring back to the idle position when they are released Master Control lever must move easily to STOP 0 or Check that the spark plug boot is secure a loose boot may cause arcing that could ignite combustible fumes and cause a fire Never attempt to modify the controls or safety devices in any way Keep the handles dry and clean free from oil and dirt...

Page 6: ...ar of the branches being cut Be particularly alert and cautious when wearing hearing protection because your ability to hear warnings shouts alarms etc is restricted To reduce the risk of accidents take a break in good time to avoid tiredness or exhaustion The dusts e g sawdust vapor and smoke pro duced during operation may be dangerous to health If dust levels are very high wear a suita ble respi...

Page 7: ...eral recommendation can be given for the length of usage because it depends on several factors The period of usage is prolonged by Hand protection wearing warm gloves Work breaks The period of usage is shortened by Any personal tendency to suffer from poor cir culation symptoms frequently cold fingers tingling sensations Low outside temperatures The force with which the handles are held a tight gr...

Page 8: ...hine until the malfunction has been remedied see Chain brake 3 Reactive Forces The most common reactive forces that occur dur ing cutting are kickback pushback and pull in 3 1 Dangers of kickback Kickback can result in serious or fatal injury 0012BA022 KN Kickback occurs when the saw is suddenly thrown up and back in an uncontrolled arc towards the operator 3 2 Kickback occurs if e g 001BA257 KN w...

Page 9: ...Do not twist the guide bar in the cut 4 Working Techniques 4 1 Sawing Do not operate your saw in the starting throttle position Engine speed cannot be controlled with the throttle trigger in this position Work calmly and carefully in daylight conditions and only when visibility is good Ensure you do not endanger others stay alert at all times Use the shortest possible guide bar The chain guide bar...

Page 10: ...ck the chain or shut down the engine before moving the saw to another position in the tree Cutting techniques Begin cutting with the chain saw at full throttle Always pull the saw out of the cut with the chain running Cut straight through thin limbs In case of thick limbs first perform relieving cut from below approx 1 5 of diameter then buck from above Support and secure heavy branches with ropes...

Page 11: ...lick the chain brake is disengaged 6 2 Removing the chain sprocket cover 1 2011BA050 KN 2 Unscrew the nut 1 and remove the chain sprocket cover 2 6 3 Mounting the Guide Bar 2011BA051 KN 1 2 Turn the screw 1 to the left until the tensioner slide 2 butts against the left end of the hous ing slot 4 3 2011BA052 KN Fit the guide bar over the stud 3 and engage the peg of the tensioner slide in the hole ...

Page 12: ...see chapter on Operating Instructions 8 Checking Chain Tension 2011BA057 KN Shut off the engine Wear work gloves to protect your hands The chain must fit snugly against the under side of the bar and it must still be possible to pull the chain along the bar by hand when the chain brake is released If necessary retension the chain A new chain has to be retensioned more often than one that has been i...

Page 13: ...ine oil 50 parts gaso line to 1 part oil 9 2 4 Examples Gasoline STIHL engine oil 50 1 Liters Liters ml 1 0 02 20 5 0 10 100 10 0 20 200 15 0 30 300 20 0 40 400 25 0 50 500 Use a canister approved for storing fuel Pour oil into canister first then add gasoline and mix thoroughly 9 3 Storing Fuel Store fuel only in approved safety type fuel can isters in a dry cool and safe location protected from ...

Page 14: ...ueling and do not overfill the tank STIHL recommends you use the STIHL filler noz zle for fuel special accessory Fill the fuel tank 10 4 Closing 001BA234 KN Grip must be vertical Fit the cap marks on tank cap and fuel tank must line up Press the cap down as far as stop 001BA233 KN While holding the cap depressed turn it clock wise until it engages in position 001BA231 KN The marks on the tank cap ...

Page 15: ...m of the cap to be turned to the correct position Turn the cap clockwise and lock it in position see section on Closing 11 Chain Lubricant For automatic and reliable lubrication of the chain and guide bar use only an environmen tally compatible quality chain and bar lubricant Rapidly biodegradable STIHL BioPlus is recom mended NOTICE Biological chain oil must be resistant to aging e g STIHL BioPlu...

Page 16: ...n the tank does not go down the reason may be a fault in the oil supply system Check chain lubrication clean the oilways con tact your dealer for assistance if necessary STIHL recommends that you have servicing and repair work carried out exclusively by an author ized STIHL servicing dealer 13 Checking Chain Lubrica tion 1 The saw chain must always spin off a small amount of oil NOTICE Never opera...

Page 17: ...The chain brake is subject to normal wear It is necessary to have it serviced and maintained regularly by trained personnel STIHL recom mends that you have servicing and repair work carried out exclusively by an authorized STIHL servicing dealer Maintain the following servicing intervals Full time usage every 3 months Part time usage every 6 months 15 Starting Stopping the Engine 15 1 Positions of...

Page 18: ...l the starter grip slowly with your right hand until you feel it engage and then give it a brisk strong pull and push down the control handle at the same time Do not pull out the starter rope to full length it might otherwise break Do not let the starter grip snap back Guide it slowly back into the housing so that the starter rope can rewind properly 15 7 Starting the Chainsaw WARNING Bystanders m...

Page 19: ...ke on saw chain is stationary will quickly damage the clutch and chain brake After a cold start warm up the engine at vary ing speeds your saw is ready for operation 15 10 At Very Low Outside Tempera tures In case of erratic idling behaviour or poor accel eration Readjust carburetor if necessary see Adjust ing the Carburetor If your saw is very cold frost or ice on machine start the engine and kee...

Page 20: ...h chain brake 16 2 1 Check chain tension frequently A new saw chain must be retensioned more fre quently than one that has been in use already for an extended period 16 2 2 Chain cold Tension is correct when the chain fits snugly against the underside of the bar but can still be pulled along the bar by hand Retension if neces sary see Tensioning the Saw Chain 16 2 3 Chain at operating temperature ...

Page 21: ...f engine power 3006BA009 KN Turn the twist lock 90 counterclockwise Remove the shroud upwards 3009BA010 KN Remove the air filter upwards Wash the filter in STIHL special cleaner spe cial accessory or a clean non flammable sol ution e g warm soapy water and then dry NOTICE Do not use a brush to clean the filter Always replace a damaged filter 19 Adjusting the Carburetor 19 1 General Information The...

Page 22: ...lerates well It is usually necessary to change the setting of the idle speed screw LA after every correction to the low speed screw L 19 5 Fine Tuning for Operation at High Altitude A slight correction of the setting may be neces sary if the engine does not run satisfactorily Carry out the standard setting Warm up the engine Turn high speed screw H slightly clockwise leaner no further than stop NO...

Page 23: ...embly all other parts in the reverse sequence 21 Storing the Machine For periods of 3 months or longer Drain and clean the fuel tank in a well ventila ted area Dispose of fuel properly in accordance with local environmental requirements Run the engine until the carburetor is dry this helps prevent the carburetor diaphragms stick ing together Remove the saw chain and guide bar clean them and spray ...

Page 24: ... rivets Replace damaged or worn chain components and adapt these parts to the remaining parts in terms of shape and level of wear rework accordingly Carbide tipped Duro saw chains are especially wear resistant For an optimal sharpening result STIHL recommends STIHL servicing dealers WARNING Compliance with the angles and dimensions lis ted below is absolutely necessary An improperly sharpened saw ...

Page 25: ...pth gauge setting and tooth length as well as clean ing grooves and oil inlet holes 23 6 Proper sharpening Select sharpening tools in accordance with chain pitch Clamp guide bar if necessary Block saw chain push the hand guard for ward To advance the saw chain pull the hand guard toward the handlebar The chain brake is disengaged With the Quickstop Super chain brake system additionally press the t...

Page 26: ...ring the depth gauges The depth gauge setting is lowered when the cutter is sharpened Check the depth gauge setting after each sharpening 2 689BA061 KN 1 Lay the appropriate file gauge 1 for the chain pitch on the saw chain and press it against the cutter to be checked if the depth gauge pro trudes past the file gauge the depth gauge must be reworked Saw chains with humped drive link 2 upper part ...

Page 27: ...es mm mm Inches Part number Part number Part number Part number Part number 1 4P 6 35 3 2 1 8 5605 771 3206 5605 750 4300 0000 893 4005 0814 252 3356 5605 007 1000 1 4 6 35 4 0 5 32 5605 772 40065605 750 43271110 893 40000814 252 33565605 007 1027 3 8 P 9 32 4 0 5 32 5605 772 4006 5605 750 4327 1110 893 4000 0814 252 3356 5605 007 1027 0 325 8 25 4 8 3 16 5605 772 4806 5605 750 4328 1110 893 4000 ...

Page 28: ... X X Chain brake Function test X X Have checked by dealer1 X Manual fuel pump if present check X Have repaired by a specialist dealer1 X Fuel pick up body filter in fuel tank check X Clean replace filter insert X X replace X X X Fuel tank Clean X Lubricating oil tank Clean X Chain lubrication check X Saw chain Check pay attention to sharpness X X Checking the chain tension X X sharpen X Guide bar ...

Page 29: ...required Carburetor Check idle adjustment saw chain must not rotate X X Set the idle speed if required have the chainsaw repaired by a specialist dealer1 X Spark plug Adjust electrode gap X Replace after 100 hours of operation Accessible screws and nuts except adjusting screws Tighten2 X Spark arresting screen in muf fler Check if installed X Check or replace1 X Chain catcher check X replace X Saf...

Page 30: ...e 34 mm Piston stroke 26 mm Engine power to ISO 7293 1 1 kW 1 5 HP at 10000 rpm Idling speed 1 3000 rpm 26 2 Ignition system Electronic magneto ignition Spark plug suppressed NGK CMR 6 H Electrode gap 0 5 mm 26 3 Fuel system All position diaphragm carburetor with integral fuel pump Fuel tank capacity 200 cm3 0 2 l 26 4 Chain lubrication Fully automatic speed controlled oil pump Oil tank capacity 1...

Page 31: ...ory conditions and does not represent either an explicit or implied guarantee of the performance of a specific engine The applicable exhaust emission requirements are fulfilled by the intended usage and mainte nance described in this instruction manual The type approval expires if the engine is modified in any way 27 Special Accessories Spiked bumper File holder with round file Filing gauge Refere...

Page 32: ...l 31 EC Declaration of Con formity ANDREAS STIHL AG Co KG Badstr 115 D 71336 Waiblingen Germany declare under our sole responsibility that Designation Chainsaw Make STIHL Series MS 151 TC Serial identification 1146 Displacement 23 63 conforms to the relevant provisions of Directives 2011 65 EU 2006 42 EC 2014 30 EU and 2000 14 EC and has been developed and manu factured in compliance with the foll...

Page 33: ...31 EC Declaration of Conformity English 0458 508 8321 B 33 ...

Page 34: ...English 31 EC Declaration of Conformity 34 0458 508 8321 B ...

Page 35: ...31 EC Declaration of Conformity English 0458 508 8321 B 35 ...

Page 36: ...www stihl com 04585088321B 04585088321B 0458 508 8321 B 0458 508 8321 B ...

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