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Tecumseh Products HM100 Manual

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Tecumseh Products HM100 | Operator Manual - Page 1
's Manual LH318XA (HM80-100) LH358EA/LH358XA Four-Cycle Engine • L-Head • Horizontal Crankshaft • Air-Cooled Table of Contents IMPORTANT NOTICE! Safety Definitions ii I. General Safety Precautions 1 II. How to Get Service 3 III. Oil and Fuel Specifications 4 IV. Before Starting Your Engine
Tecumseh Products HM100 | Operator Manual - Page 2
Company. TecumsehPower Company is no longer owned by Tecumseh Products Company nor is it associated or affiliated in any way with Tecumseh Products Company. ©Copyright 2006, 2008 TecumsehPower Company All Rights Reserved Four-Cycle Engine • L-Head • Horizontal Crankshaft • Air-Cooled 181-630-14
Tecumseh Products HM100 | Operator Manual - Page 3
the fuel tank, see "I. Draining Fuel" instructions on page 16. C. Adult Supervision of Operation, Refueling and Maintenance The manufacturer of the equipment may provide information about who is allowed to use this engine (see equipment manufacturer's manual). NOT everyone who is allowed to use
Tecumseh Products HM100 | Operator Manual - Page 4
in such applications. Consult your local Authorized TecumsehPower Servicing Dealer, call 1-800-558-5402, or visit www.TecumsehPower.com for additional information. F. Avoid Burns and Fire from Hot Surfaces The muffler and other engine parts become extremely hot during operation and remain hot after
Tecumseh Products HM100 | Operator Manual - Page 5
not covered within this Operator's Manual, and it is intended for individuals who have had adequate training, experience and who practice proper tool usage. Service procedures should be clearly understood and practiced when servicing TecumsehPower engines. • Order as part #692509 or #740049 for LH
Tecumseh Products HM100 | Operator Manual - Page 6
may cause internal engine damage. NOTE Damage and/or performance problems that occur from use of fuels other than those listed in the Operator's Manuals will not be considered warranty. Table 1. Recommended Oil TecumsehPower Recommended Oil Usage Straight Grade TecumsehPower Part No. 730225A or
Tecumseh Products HM100 | Operator Manual - Page 7
to reach "FULL" level. See Figure 7 on page 4. Afterward, continue reading instructions below. 5. Screw oil fill cap/dipstick back into oil filler tube. Tighten securely. 6. Wipe away any spilled oil. C. Engine Stop Switch Some engines are equipped with an optional Stop Switch. This rocker switch is
Tecumseh Products HM100 | Operator Manual - Page 8
engine is outdoors and in a well-ventilated area. 3. Clean area around fuel fill cap and remove fuel fill cap. See Figure 11. NOTE For recommended fuel, see "III. Oil and Fuel Specifications" instructions Figure 11. Engine Components Page 6 Four-Cycle Engine • L-Head • Horizontal Crankshaft • Air-
Tecumseh Products HM100 | Operator Manual - Page 9
cleaner, a CLIMATE GUARD Conversion Kit is available at any Authorized TecumsehPower Servicing Dealer. See Figure 15. If the engine is equipped with a CLIMATE GUARD, no changes need to be made -630-14 Figure 15. Climate Guard Four-Cycle Engine • L-Head • Horizontal Crankshaft • Air-Cooled Page 7
Tecumseh Products HM100 | Operator Manual - Page 10
. WARNING If you are unable to start this engine after following instructions in this manual, contact your Authorized TecumsehPower Servicing Dealer. To avoid serious burn injuries or damage to your engine, DO NOT attempt to start or troubleshoot this engine in any other way. For example: • DO NOT
Tecumseh Products HM100 | Operator Manual - Page 11
engine runs smoothly. See Figures 20 and 21. Afterward, continue reading instructions below. c. Next, move choke control to "NO CHOKE" position. 7. Move engine TecumsehPower Servicing Dealer. DO NOT attempt to start or troubleshoot this engine in any other way. Figure 19. Engine Mounted Speed
Tecumseh Products HM100 | Operator Manual - Page 12
's instructions) is open and all switches are on. See Figure 13 on page 7. Afterward, continue reading instructions below. 4. Move engine speed Figure 24. Typical Engine Symbols Page 10 Figure 25. Engine Mounted Speed Controls Four-Cycle Engine • L-Head • Horizontal Crankshaft • Air-Cooled 181
Tecumseh Products HM100 | Operator Manual - Page 13
continue reading instructions below. NOTES If engine starts but engine. 9. If engine does not start after following steps 1 thru 8, contact your Authorized TecumsehPower Servicing Dealer. DO NOT attempt to start or troubleshoot this engine Engine • L-Head • Horizontal Crankshaft • Air-Cooled Page 11
Tecumseh Products HM100 | Operator Manual - Page 14
on the engine. (See equipment manufacturer's instructions). 6. Remove oil drain plug and drain oil. NOTE Used oil must be disposed of at a proper collection center. 7. Install oil drain plug and tighten securely. 8. Fill with recommended oil. See "III. Oil and Fuel Specifications" instructions and
Tecumseh Products HM100 | Operator Manual - Page 15
filters are available at a Authorized TecumsehPower Servicing Dealer. Follow the instructions next to the drawing of your air cleaner to remove and replace it. NOTE DO NOT put oil on or clean a paper filter. 181-630-14 Four-Cycle Engine • L-Head • Horizontal Crankshaft • Air-Cooled Page 13
Tecumseh Products HM100 | Operator Manual - Page 16
Maintenance/Repairs See your equipment manufacturer's instructions and an Authorized TecumsehPower Servicing Dealer. F. Carburetor If you think your carburetor needs adjusting, see your nearest Authorized TecumsehPower Servicing Dealer. Engine performance should not be affected at altitudes
Tecumseh Products HM100 | Operator Manual - Page 17
engine unattended when it is running and NEVER run engine in enclosed areas. IX. Storing your Engine A. Short-Term/Seasonal Storage I. Clean Engine Before servicing the engine Storage" instructions on page 16. 181-630-14 Four-Cycle Engine • L-Head • Horizontal Crankshaft • Air-Cooled Page 15
Tecumseh Products HM100 | Operator Manual - Page 18
remaining fuel is consumed. WARNING NEVER leave the engine unattended when it is running and NEVER run engine in enclosed areas. 3. Begin servicing the cylinder bore. See "IV. Oil Cylinder Bore" instructions on page 17. NOTE If you operate the engine during all four seasons, it is not necessary
Tecumseh Products HM100 | Operator Manual - Page 19
instructions metal parts where engine does NOT have a spark arrester, you may purchase one from your Authorized TecumsehPower Servicing Dealer. In some cases the muffler may need to be replaced to allow the spark arrester to be installed. 181-630-14 Four-Cycle Engine • L-Head • Horizontal Crankshaft
Tecumseh Products HM100 | Operator Manual - Page 20
extend the life of your TecumsehPower engine. If you are unable to perform maintenance intervals yourself, contact your nearest Authorized TecumsehPower Servicing Dealer. Find them on our website Date Owner/Dealer Page 18 Four-Cycle Engine • L-Head • Horizontal Crankshaft • Air-Cooled 181-630-14
Tecumseh Products HM100 | Operator Manual - Page 21
Owner/Dealer Date Owner/Dealer Date Owner/Dealer Date Owner/Dealer Date Owner/Dealer Date Owner/Dealer Date Owner/Dealer 181-630-14 Four-Cycle Engine • L-Head • Horizontal Crankshaft • Air-Cooled Page 19
Tecumseh Products HM100 | Operator Manual - Page 22
responsible for presenting your small off-road engine to a TecumsehPower Authorized Service Outlet (any TecumsehPower Registered Service Dealer, TecumsehPower Authorized Service Distributor or TecumsehPower Central Warehouse Distributor) as soon as a problem exists. The warranty repairs should be
Tecumseh Products HM100 | Operator Manual - Page 23
of the ECS Warranty Period. 2. Any warranted, emissions-related part which is scheduled only for regular inspection as specified in the Operator's Manual shall be warranted for the ECS Warranty Period. A statement in such written instructions to the effect of "repair or replace as necessary", shall
Tecumseh Products HM100 | Operator Manual - Page 24
product, or failure to follow the instructions contained in an Instruction Manual for the operation of the new TecumsehPower engine or part. The cost of normal maintenance or replacement of service apply to you. This Limited Warranty gives you specific legal rights and you may also have other legal

Section	Page
a.	1
Four-Cycle Engine . L-Head . Horizontal Crankshaft . Air-Cooled	1
I. General Safety Precautions 1	1
II. How to Get Service 3	1
III. Oil and Fuel Specifications 4	1
IV. Before Starting Your Engine 4	1
V. Starting Your Engine 8	1
VI. Stopping Your Engine and Short-Term Storage 12	1
VII. Maintenance 12	1
VIII. Transporting Your Engine 15	1
IX. Storing your Engine 15	1
X. Preventing Forest, Brush and Grass Fires 17	1
XI. Maintenance Intervals 18	1
XII. Warranty Information 22	1
181-630-14	1
(English) 6/01/08	1
Safety Definitions	2
Notice Regarding Emissions	2
I. General Safety Precautions	3
A. Avoid Carbon Monoxide Poisoning	3
B. Avoid Gasoline Fires	3
C. Adult Supervision of Operation, Refueling and Maintenance	3
D. Stay Away from Rotating Parts	3
E. DO NOT Modify Engine	4
F. Avoid Burns and Fire from Hot Surfaces	4
G. Avoid Accidental Starts	4
H. Use Hearing Protection	4
Figure 1. DO NOT Use Without Engine Shaft Guard	4
1. Muffler Guard	4
2. Flywheel Guard	4
Figure 2. Typical Engine Guard Locations	4
Figure 3. Disconnecting/Connecting Spark Plug	4
Figure 4. Typical Spark Plug Connection	4
II. How to Get Service	5
A. Engine Identification Decal	5
B. Technician’s Handbook	5
Figure 5. Engine Identification Decal	5
Figure 6. Technician’s Handbook	5
III. Oil and Fuel Specifications	6
A. Oil	6
B. Fuel	6
IV. Before Starting Your Engine	6
A. Checking Oil Level	6
Table 1. Recommended Oil	6
Table 2. Recommended Fuel	6
10%	6
10%	6
15%	6
15%	6
Figure 7. Engine Oil Level	6
B. Filling Oil Sump	7
1. Be sure engine is upright and level.	7
2. Unscrew oil fill cap/dipstick from oil filler tube and wipe dipstick clean. See Figure 8.	7
3. Screw oil fill cap/dipstick back into oil filler tube. Tighten securely.	7
4. Unscrew and remove oil fill cap/dipstick from oil filler tube. Note oil level. If oil reading on dipstick is below “ADD” mark, slowly add oil to reach “FULL” level. See Figure 7 on page 4. Afterward, continue reading instructions below.	7
5. Screw oil fill cap/dipstick back into oil filler tube. Tighten securely.	7
6. Wipe away any spilled oil.	7
C. Engine Stop Switch	7
D. Low Oil Shutdown Switch	7
1. Spark Plug Wire	7
2. Spark Plug Cap	7
3. Oil Fill Cap with Long Dipstick	7
4. Spark Plug	7
5. Oil Fill Cap with Short Dipstick	7
6. Oil Drain Plug	7
Figure 8. Engine Components	7
1. “ON” Position	7
2. “OFF” Position	7
Figure 9. Engine Stop Switch	7
1. “ON” Position	7
2. “OFF” Position	7
3. Lighted Switch	7
Figure 10. Low Oil Shutdown Switch	7
E. Low Oil Shutdown Light	8
F. Low Oil Shutdown System	8
G. Filling Fuel Tank	8
1. Stop engine and allow it to cool before refueling.	8
2. Be sure engine is outdoors and in a well-ventilated area.	8
3. Clean area around fuel fill cap and remove fuel fill cap. See Figure 11.	8
4. Using an approved red GASOLINE container, add fuel slowly, being careful to avoid spilling. DO NOT overfill fuel tank. Leave space in the tank to allow fuel to expand without overflowing.	8
5. Replace fuel fill cap securely and wipe up spilled fuel before starting engine. If fuel is spilled DO NOT start engine. Move machine away from area of spillage. Avoid creating any source of ignition until fuel vapors are gone.	8
6. Be sure fuel valve, if present (see equipment manufacturer’s instructions) is open. See Figure 13 on page 7.	8
1. Air Cleaner	8
2. Carburetor	8
3. Muffler	8
4. Muffler Guard	8
5. Oil Fill Cap	8
6. Spark Plug	8
7. Fuel Fill Cap	8
8. Low Oil Shutdown Light (Optional)	8
9. Starter Cord Handle	8
Figure 11. Engine Components	8
H. Climate Guard® Air Cleaner	9
I. Moving The Inlet Air Scoop	9
1. Remove the wing nut from the top of the air cleaner.	9
2. Lift the cover of the air cleaner.	9
3. Rotate the scoop to the desired position.	9
4. Replace the cover.	9
5. Install and tighten the wing nut.	9
I. Winter Application	9
II. Summer Application	9
Figure 12. Possible Fuel Fill Cap(s)	9
Figure 13. Fuel Valve Positions	9
Figure 14. Climate Guard Air Cleaner	9
Figure 15. Climate Guard	9
V. Starting Your Engine	10
A. Engines with Electric Starters	10
1. To avoid carbon monoxide poisoning, be sure engine is outdoors in a well-ventilated area.	10
2. Move engine stop switch or low oil shutdown switch to “ON” position, if present (see equipment manufacturer’s instructions). See Figures 16 and 17.	10
3. Be sure fuel valve, if present (see equipment manufacturer’s instructions) is open and all switches are on. See Figure 13 on page 7. Afterward, continue reading instructions below.	10
4. Move engine speed control to “FAST” position and set choke control to ”FULL CHOKE” position (see equipment manufacturer’s instructions). See Figures 18 thru 21. Afterward, continue reading instructions below.	10
5. Push starter button or turn ignition switch key (see equipment manufacturer’s instructions) to start engine.	10
1. “ON” Position	10
2. “OFF” Position	10
Figure 16. Engine Stop Switch	10
1. “ON” Position	10
2. “OFF” Position	10
3. Lighted Switch	10
Figure 17. Low Oil Shutdown Switch	10
Figure 18. Typical Engine Symbols	10
6. When engine starts:	11
a. Release starter button or ignition switch key.	11
b. Momentarily move choke control to “1/2 CHOKE” position until engine runs smoothly. See Figures 20 and 21. Afterward, continue reading instructions below.	11
c. Next, move choke control to “NO CHOKE” position.	11
7. Move engine speed control to desired speed in “RUN” range.	11
a. Momentarily move choke control back to “FULL CHOKE” position. See Figures 20 and 21.	11
b. Next, move choke control to “1/2 CHOKE” position until engine runs smoothly.	11
c. Finally, move choke control to “NO CHOKE” position.	11
8. If engine fires but does not continue to run, move choke control to “NO CHOKE” position and start engine.	11
9. If engine fails to start after 3 attempts in the “NO CHOKE” position, move choke control to “FULL CHOKE” position and start engine.	11
10. If engine does not start after following steps 1 thru 9, contact your Authorized TecumsehPower Servicing Dealer. DO NOT attempt to start or troubleshoot this engine in any other way.	11
Figure 19. Engine Mounted Speed Controls	11
1. “Full Choke” Position	11
2. “1/2 Choke” Position	11
3. “No Choke” Position	11
Figure 20. Horizontal Mounted Choke Control	11
1. “Full Choke” Position	11
2. “1/2 Choke” Position	11
3. “No Choke” Position	11
Figure 21. Vertical Mounted Choke Control	11
B. Engines with Recoil Starters	12
1. To avoid carbon monoxide poisoning, be sure engine is outdoors in a well-ventilated area.	12
2. Move engine stop switch or low oil shutdown switch to “ON” position, if present (see equipment manufacturer’s instructions). See Figures 22 and 23.	12
3. Be sure fuel valve, if present (see equipment manufacturer’s instructions) is open and all switches are on. See Figure 13 on page 7. Afterward, continue reading instructions below.	12
4. Move engine speed control to “FAST” position and set choke control to ”FULL CHOKE” position (see equipment manufacturer’s instructions). See Figures 24 thru 27. Afterward, continue reading instructions below.	12
1. “ON” Position	12
2. “OFF” Position	12
Figure 22. Engine Stop Switch	12
1. “ON” Position	12
2. “OFF” Position	12
3. Lighted Switch	12
Figure 23. Low Oil Shutdown Switch	12
Figure 24. Typical Engine Symbols	12
Figure 25. Engine Mounted Speed Controls	12
5. Grasp starter cord handle. See Figure 28.	13
a. Pull rope out slowly until you feel drag.	13
b. Without allowing the rope to retract, continue pulling rope with one rapid full arm stroke.	13
c. Return rope slowly to original position.	13
6. When engine starts:	13
a. Momentarily move choke control to “1/2 CHOKE” position until engine runs smoothly. See Figures 26 and 27.	13
b. Next, move choke control to “NO CHOKE” position.	13
c. Finally, move engine speed control to desired speed in “RUN” range. See Figures 24 and 25 on page 10. Afterward, continue reading instructions below.	13
a. Momentarily move choke control back to “FULL CHOKE” position.	13
b. Next, move choke control to “1/2 CHOKE” position until engine runs smoothly.	13
c. Finally, move choke control to “NO CHOKE” position.	13
7. If engine fires but does not continue to run, move choke control to “NO CHOKE” position and start engine.	13
8. If engine fails to start after 3 attempts in the “NO CHOKE” position, move choke control to “FULL CHOKE” position and start engine.	13
9. If engine does not start after following steps 1 thru 8, contact your Authorized TecumsehPower Servicing Dealer. DO NOT attempt to start or troubleshoot this engine in any other way.	13
1. “Full Choke” Position	13
2. “No Choke” Position	13
3. “1/2 Choke” Position	13
4.	13
1. “Full Choke” Position	13
2. “1/2 Choke” Position	13
3. “No Choke” Position	13
Figure 27. Vertical Mounted Choke Control	13
Figure 28. Starter Cord Handle	13
VI. Stopping Your Engine and Short-Term Storage	14
VII. Maintenance	14
A. Checking and Changing Oil	14
1. Carefully disconnect spark plug wire and keep it away from spark plug. See \	14
1. Spark Plug Wire	14
2. Spark Plug Cap	14
3. Oil Fill Cap with Long Dipstick	14
4. Spark Plug	14
5. Oil Fill Cap with Short Dipstick	14
6. Oil Drain Plug	14
Figure 29. Engine Components	14
2. Be sure the fuel fill cap is on and is tightened securely.	14
3. Be sure you find the correct oil drain plug location, if provided. See Figure 29.	14
4. Clean area around oil drain plug.	14
5. Place approved recyclable oil container under oil drain plug, tipping engine to position the oil drain plug at the lowest point on the engine. (See equipment manufacturer’s instructions).	14
6. Remove oil drain plug and drain oil.	14
7. Install oil drain plug and tighten securely.	14
8. Fill with recommended oil. See \	14
9. Wipe away any spilled oil.	14
10. Carefully disconnect spark plug wire from grounding post, if provided.	14
11. Connect spark plug wire to spark plug before attempting to start engine.	14
B. Removing Debris from Engine	15
C. Spark Plug	15
1. Clean area around spark plug.	15
2. Remove and inspect spark plug.	15
3. Replace spark plug if porcelain is cracked or if electrodes are:	15
4. Check electrode gap with wire feeler gauge and set gap to-.030 in. (0.76 mm) if necessary. See Figure 31.	15
5. Install spark plug and tighten securely.	15
D. Cleaning/Replacing Air Cleaner	15
I. Servicing Foam Filters	15
1. Wash in warm water and detergent solution then press (DO NOT twist) until all dirt is removed.	15
2. Rinse thoroughly until water is clear.	15
3. Wrap in a clean cloth and press (DO NOT twist) until completely dry.	15
1. Levers and Linkage	15
2. Air Intake Screen	15
3. Muffler Guard	15
4. Cooling Fins	15
5. Flywheel Guard	15
Figure 30. Debris Removal Areas	15
1. .030 in. (0.76 mm) Gap	15
2. Electrodes	15
3. Porcelain	15
Figure 31. Resistor Spark Plug	15
4. Replace foam pre-filter onto paper filter.	15
II. Servicing Paper Filters	15
III. Filter Removal/Installation	16
1. Remove wing nut. See Figure 32 or 33.	16
2. Remove cover.	16
3. Remove foam pre-filter, if present (see equip ment manufacturer’s instructions) from outside of paper filter.	16
4. Remove paper filter element from base.	16
5. Inspect filters for discoloration or dirt accumulation. If either is present, see \	16
6. Clean inside of base and cover thoroughly.	16
7. Install paper filter element onto body.	16
8. Install foam pre-filter, if present (see equipment manufacturer’s instructions) over paper element.	16
9. Install cover over filters.	16
E. Alternator (Optional)	16
F. Carburetor	16
G. Engine Speed	16
H. Adjustments	16
1. Wing Nut	16
2. Cover	16
3. Foam Pre-Filter	16
4. Paper Filter	16
5. Body	16
Figure 32. Air Cleaner “A”	16
1. Wing Nut	16
2. Cover	16
3. Foam Pre-Filter	16
4. Paper Filter	16
5. Body	16
Figure 33. Air Cleaner “B”	16
VIII. Transporting Your Engine	17
1. Empty fuel tank by using a commercially available suction device designed for use with gasoline.	17
2. Drain fuel into an approved red GASOLINE container, being careful to avoid spilling.	17
3. Run the engine until remaining fuel is consumed.	17
IX. Storing your Engine	17
A. Short-Term/Seasonal Storage	17
I. Clean Engine	17
II. Fuel Storage	17
III. Fuel System	18
IV. Fuel Treatment	18
1. Add fuel stabilizer according to manufacturer’s instructions.	18
2. Run engine at least 10 minutes after adding stabilizer to allow it to reach carburetor.	18
B. Extended Storage	18
I. Draining Fuel	18
1. To prevent serious injury from fuel fires, empty fuel tank by running engine until it stops from lack of fuel. DO NOT attempt to pour fuel from engine.	18
2. Run the engine while waiting until the remaining fuel is consumed.	18
3. Begin servicing the cylinder bore. See \	18
II. Oil	18
III. Battery	18
IV. Oil Cylinder Bore	19
1. Carefully disconnect spark plug wire and keep it away from spark plug. See Figures 34 and 35.	19
2. Remove spark plug.	19
3. Squirt 1oz. (30 ml) of clean engine oil into spark plug hole.	19
4. Cover spark plug hole with rag to prevent fuel from spraying from spark plug hole when starter rope is pulled.	19
5. Grasp starter cord handle:	19
a. Pull starter cord handle out slowly using a full arm stroke.	19
b. Repeat once. (This will distribute oil throughout the cylinder to prevent corrosion during storage.)	19
c. Proceed to Step 8.	19
6. Push starter button or turn ignition switch key (see equipment manufacturer’s instructions) to cycle the engine for one to two seconds.	19
7. Turn ignition switch key to “OFF” position. Repeat Step 6 and Step 7. (This will distribute oil throughout the cylinder to prevent corrosion during storage.)	19
8. Remove rag covering spark plug hole.	19
9. Install spark plug.	19
10. Carefully disconnect spark plug wire from grounding post, if provided. See Figure 34.	19
11. Connect spark plug wire to spark plug before attempting to start engine. See Figure 35.	19
Figure 34. Disconnecting/Connecting Spark Plug	19
Figure 35. Typical Spark Connection	19
X. Preventing Forest, Brush and Grass Fires	19
XI. Maintenance Intervals	20
Table 3. Maintenance Intervals	20
1. Change Oil	20
1. Check Oil Level	20
2. Clean Cooling Fins	20
1. Change Oil	20
2. Clean Foam Pre-Filter	20
1. Replace Paper Filter	21
2. Check Spark Plug	21