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Tecumseh Products VSK90 Operator Manual

Tecumseh Products VSK90 Manual

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Tecumseh Products VSK90 | Operator Manual - Page 1
TecumsehPower LV148SA (VSK90) Operator's Manual Four-Cycle Engine • Vertical 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 3 IV. Before Starting Your Engine 4 V.
Tecumseh Products VSK90 | Operator Manual - Page 2
manual, contact your nearest Authorized Tecumseh Servicing Dealer. Find them on our website at www.TecumsehPower.com or call Tecumseh Power Company at 1-800-5585402. Page ii The trademarks TECUMSEH® and the DESIGN (Native American Head logo) are registered trademarks of Tecumseh Products Company
Tecumseh Products VSK90 | Operator Manual - Page 3
manual and this material thoroughly before using this engine. Failure to do so can result in serious injury or death. Call Tecumseh Power Company or death from fuel fires, follow these instructions: • NEVER store engine with fuel in to the engine shaft. If these parts are not properly guarded, or if
Tecumseh Products VSK90 | Operator Manual - Page 4
use in such applications. Consult your local Authorized Tecumseh Servicing Dealer, call 1-800-558-5402, or go to 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 VSK90 | Operator Manual - Page 5
For engine adjustments, repairs or warranty service not covered in this manual, contact your nearest Authorized Tecumseh Servicing Dealer. Find them on our website at www.TecumsehPower.com or call Tecumseh Power Company at 1-800-558-5402. A. Engine Identification Decal A sample engine identification
Tecumseh Products VSK90 | Operator Manual - Page 6
oil level to fall below the "ADD" mark on dipstick. Doing so may result in equipment malfunction or damage. Contact your Authorized Tecumseh Servicing Dealer for Tecumseh Oil. B. Filling Oil Sump Oil Fill Cap With Dipstick 1. Be sure engine is upright and level. 2. Unscrew oil fill cap from oil
Tecumseh Products VSK90 | Operator Manual - Page 7
from engine. To prevent injury or death from fuel fires, follow these instructions: 1. Stop engine and allow it to cool before refueling. 2. Be See Figure 8. Replace a damaged or missing gas cap only with a genuine Tecumseh replacement anti-splash fuel fill cap. Failure to do so may VOID YOUR
Tecumseh Products VSK90 | Operator Manual - Page 8
! WARNING If you are unable to start this engine after following instructions in this manual, contact your Authorized Tecumseh 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 VSK90 | Operator Manual - Page 9
Return rope slowly to original position. NOTES Following the instructions listed in the steps above avoids potential damage to the after following steps 1 thru 11, contact your Authorized Tecumseh Servicing Dealer. DO NOT attempt to start or troubleshoot this engine in any other way. Figure 14.
Tecumseh Products VSK90 | Operator Manual - Page 10
listed below. 1. Wipe all snow and moisture from engine area of control lever and choke. 2. Move equipment control, if present (see manufacturer's instructions), engine control lever or ignition switch back and forth several times and leave control in "STOP" or "OFF" position. See Figure 16. 3. Move
Tecumseh Products VSK90 | Operator Manual - Page 11
spark plug wire and keep it away from spark plug. See "G. Avoid Accidental Starts" instructions on page 2. See Figures 19 and 20. • Keep the disconnected spark plug wire securely away from metal parts where arcing could occur. • Attach the spark plug wire to the grounding post, if provided
Tecumseh Products VSK90 | Operator Manual - Page 12
. D. Alternator (Optional) For alternator related electrical problems such as: • Inoperative starter • Discharged battery • Fuse replacement • Alternator maintenance/repairs See your equipment manufacturer's instructions and an Authorized Tecumseh Servicing Dealer. E. Carburetor If you think your
Tecumseh Products VSK90 | Operator Manual - Page 13
short term/seasonal storage. "IV. Fuel Treatment" instructions. If engine fuel is to be stored for more carburetor problems, treat the fuel system in the following method below: NOTES Tecumseh recommends using storage. This product is available from your Authorized Tecumseh Servicing Dealer. Always
Tecumseh Products VSK90 | Operator Manual - Page 14
in enclosed areas. 3. Begin servicing the cylinder bore. See "II. Oil Cylinder Bore" instructions. Figure 24. Disconnecting/Connecting Spark and 25. • Keep the disconnected spark plug wire securely away from metal parts where arcing could occur. • Attach the spark plug wire to the grounding
Tecumseh Products VSK90 | Operator Manual - Page 15
Engine. If you are unable to perform maintenance intervals yourself, contact your nearest Authorized Tecumseh Servicing Dealer. You may also call Tecumseh Power company at 1-800-558-5402 or visit www.TecumsehPower.com to locate your dealer. ALWAYS promptly follow maintenance intervals listed
Tecumseh Products VSK90 | Operator Manual - Page 16
Before Each Use Scheduled Maintenance Every 5 Hours or Before Each Use 1. Check Oil Level 2. Clean Cooling Fins Date Owner/Dealer Date Owner/Dealer Date Owner/Dealer Date Owner/Dealer Date Owner/Dealer Date Owner/Dealer Date Owner/Dealer Date Owner/Dealer Date Owner/Dealer Date Owner/
Tecumseh Products VSK90 | Operator Manual - Page 17
NOTES 181-1270-14 Four-Cycle Engine • Vertical Crankshaft • Air-Cooled Page 15
Tecumseh Products VSK90 | Operator Manual - Page 18
Page 16 Four-Cycle Engine • Vertical Crankshaft • Air-Cooled 181-1270-14
Tecumseh Products VSK90 | Operator Manual - Page 19
NOTES 181-1270-14 Four-Cycle Engine • Vertical Crankshaft • Air-Cooled Page 17
Tecumseh Products VSK90 | Operator Manual - Page 20
Page 18 Four-Cycle Engine • Vertical Crankshaft • Air-Cooled 181-1270-14
Tecumseh Products VSK90 | Operator Manual - Page 21
NOTES 181-1270-14 Four-Cycle Engine • Vertical Crankshaft • Air-Cooled Page 19
Tecumseh Products VSK90 | Operator Manual - Page 22
Distributor) as soon as a problem exists. The warranty repairs should be completed in a reasonable amount of time, not to exceed 30 days. Warranty service can be arranged by contacting either an Authorized Tecumseh Servicing Dealer and/or Tecumseh Power Company, c/o Service Manager, 900 North Street
Tecumseh Products VSK90 | Operator Manual - Page 23
for diagnostic labor which leads to the determination that a part covered by the ECS Warranty is in fact defective, provided that such diagnostic work is performed at a Tecumseh Authorized Service Outlet. 6. Tecumseh Power Company shall be liable for damages to other original engine components
Tecumseh Products VSK90 | Operator Manual - Page 24
, improper maintenance, improper use or abuse of the product, or failure to follow the instructions contained in an Instruction Manual for the operation of the new Tecumseh engine or part. The cost of normal maintenance or replacement of service items which are not defective shall be paid for

Section	Page
LV148SA (VSK90)	1
Four-Cycle Engine . Vertical Crankshaft . Air-Cooled	1
181-1270-14	1
(English) 1/01/08	1
IMPORTANT NOTICE!	2
Safety Definitions	2
Notice Regarding Emissions	2
Tecumseh Contact Information	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 Flywheel Guard	4
Figure 2. Disconnecting/Connecting Spark Plug	4
1. Grounding Post	4
2. Spark Plug Wire	4
3. Spark Plug	4
Figure 3. Spark Plug Connection	4
II. How to Get Service	5
A. Engine Identification Decal	5
B. Tecumseh Technician’s Handbooks	5
III. Oil and Fuel Specifications	5
A. Oil	5
Figure 4. Engine Identification Label	5
Figure 5. Technician’s Handbook	5
Table 1. Recommended Engine Oil	5
B. Fuel	6
IV. Before Starting Your Engine	6
A. Checking Oil Level	6
B. Filling Oil Sump	6
1. Be sure engine is upright and level.	6
2. Unscrew oil fill cap from oil filler tube and wipe dipstick clean. See Figure 7.	6
3. Screw oil fill cap back into oil filler tube. Tighten securely.	6
4. Unscrew and remove oil fill cap 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 6.	6
5. Screw oil fill cap back into oil filler tube. Tighten securely.	6
6. Wipe away any spilled oil.	6
Table 2. Recommended Fuel	6
10%	6
10%	6
15%	6
15%	6
Figure 6. Engine Oil Level	6
1. Spark Plug Cap	6
2. Spark Plug Wire	6
3. Oil Fill Cap	6
4. Start Cord Handle	6
5. Fuel Fill Cap	6
6. Choke Control	6
7. Primer	6
8. Carburetor	6
9. Engine Speed Control	6
10. Muffler	6
Figure 7. LV (VSK) Engine Assembly	6
C. Filling Fuel Tank	7
1. Stop engine and allow it to cool before refueling.	7
2. Be sure engine is outdoors and in a well-ventilated area.	7
3. Clean area around fuel fill cap and remove fuel fill cap. See Figure 7.	7
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.	7
5. Replace anti-splash 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.	7
6. Be sure fuel valve (optional) is open. See Figure 10.	7
D. Check the Following Equipment	7
1. Be sure ignition switch on engine or equipment is in “ON”, “RUN” or “START” position.	7
2. Be sure fuel valve, if present (see manufacturer’s instructions), is open. Turn counterclockwise to “ON” position. See Figure 10.	7
3. Check engine and equipment before each operation for loose nuts, bolts and attachments; keep these items tightened.	7
Figure 8. Fuel Cap Insert Symbol	7
Figure 9. Possible Anti-Splash Fuel Fill Cap(s)	7
Figure 10. Fuel Valve Positions	7
V. Starting Your Engine	8
1. To avoid carbon monoxide poisoning, make sure engine is outdoors in a well-ventilated area.	8
2. Be sure fuel valve, if present is open and all switches are on. Turn counterclockwise to “ON”. See Figure 10.	8
3. Move Engine Speed Control to “FAST” position. See Figures 11 and 12.	8
4. Set Choke Control to “FULL” position. See Figures 11 and 15.	8
5. Push primer three times, making sure to cover vent hole when pushing. See Figure 13.	8
Figure 11. Typical Engine Symbols	8
1. Fast Position	8
2. Slow Position	8
3. OFF Position	8
Figure 12. Engine Speed Control	8
1. Primer Bulb	8
2. Vent Hole	8
Figure 13. Primer Bulb	8
6. Grasp starter cord handle. See Figure 14.	9
a. Pull rope out slowly until you feel drag.	9
b. Without allowing the rope to retract, continue pulling rope with one rapid full arm stroke.	9
c. Return rope slowly to original position.	9
a. Pull as much rope out of starter as possible.	9
b. Release starter handle and let it snap back against starter to break up ice; these two steps should only be done when starter is frozen.	9
7. If engine fails to start after 3 attempts repeat steps 2 thru 7 and try again.	9
8. When engine starts:	9
a. Move Choke Control to “1/2 CHOKE” position until engine runs smoothly.	9
b. Next, move Choke Control to “NO CHOKE” position. See Figures 12 and 15.	9
9. Move Engine Speed Control to desired speed in “RUN” range.	9
a. Momentarily move Choke Control back to “FULL CHOKE” position.	9
b. Next, move Choke Control to “1/2 CHOKE” position until engine runs smoothly.	9
c. Finally, move Choke Control to “NO CHOKE” position. See Figures 12 and 15.	9
10. If engine fires but does not continue to run, move choke control to “NO CHOKE” position and start engine. See Figure 15.	9
11. If engine fails to start after 3 attempts in the “NO CHOKE” position, move choke control to “FULL CHOKE” position and start engine.	9
12. If engine does not start after following steps 1 thru 11, contact your Authorized Tecumseh Servicing Dealer. DO NOT attempt to start or troubleshoot this engine in any other way.	9
Figure 14. Recoil Starter Cord Handle	9
1. No Choke	9
2. 1/2 Choke	9
3. Full Choke	9
Figure 15. Choke Control Positions	9
VI. Stopping Your Engine and Short-Term Storage	10
A. Before Stopping	10
1. Run engine for a few minutes to help dry off any moisture on engine.	10
2. To help avoid possible freeze-up of starter proceed as follows:	10
B. Stop Engine	10
1. Move equipment control, if present (see manufacturer’s instructions), engine control lever or ignition switch to “STOP” or “OFF” position.	10
2. Remove ignition key, if present.	10
C. After Engine is Stopped	10
1. Wipe all snow and moisture from engine area of control lever and choke.	10
2. Move equipment control, if present (see manufacturer’s instructions), engine control lever or ignition switch back and forth several times and leave control in “STOP” or “OFF” position. See Figure 16.	10
3. Move engine choke back and forth several times and leave in the “FULL” position. See Figure 17.	10
4. Close fuel valve, if present. See Figure 18.	10
1. Fast Position	10
2. Slow Position	10
3. OFF Position	10
Figure 16. Engine Speed Control	10
1. No Choke	10
2. 1/2 Choke	10
3. Full Choke	10
Figure 17. Choke Control Positions	10
Figure 18. Fuel Valve Positions	10
VII. Maintenance	11
A. Checking and Changing Oil	11
1. Be sure you find the correct drain plug location, if present. (See equipment manufacturer’s instructions).	11
2. Disconnect spark plug wire and keep it away from spark plug by attaching it securely to grounding post. See Figure 20.	11
3. Ensure the gas cap is on and is tightened securely.	11
4. Carefully turn engine on the side with the carburetor side up. See Figure 21.	11
5. Place approved recyclable oil container under oil cap/ dipstick.	11
6. Remove oil fill cap/dipstick.	11
7. Drain oil into an approved container.	11
8. Clean area around oil fill tube and fill cap.	11
9. Place engine back onto a level upright position with the wheels touching the ground.	11
10. Fill with recommended oil. See Table 1. on page 3.	11
11. Wipe away any spilled oil.	11
Figure 19. Disconnecting/Connecting Spark Plug	11
1. Grounding Post	11
2. Spark Plug Wire	11
3. Spark Plug	11
Figure 20. Spark Plug Connection	11
1. Oil Drain/Fill Opening	11
2. Drain Pan	11
Figure 21. Draining Oil Sump	11
12. Carefully remove spark plug wire from grounding post and connect to spark plug. See Figure 19.	11
B. Removing Snow from Engine	12
C. Spark Plug	12
1. Clean area around spark plug.	12
2. Remove and inspect spark plug.	12
3. Replace spark plug if porcelain is cracked or if electrodes are:	12
4. Check electrode gap with wire feeler gauge and set gap to .030 (0.76mm) if necessary. See Figure 23.	12
5. Install spark plug and tighten securely.	12
D. Alternator (Optional)	12
E. Carburetor	12
F. Engine Speed	12
1. Oil Fill Cap	12
2. Fuel Fill Cap	12
3. Linkage	12
4. Cooling Fins	12
Figure 22. Snow Removal Locations	12
1. .030 (0.76 mm) Gap	12
2. Electrodes	12
3. Porcelain	12
Figure 23. Resistor Spark Plug	12
G. Adjustments	12
VIII. Transporting Your Engine	13
1. Empty fuel tank by using a commercially available suction device designed for use with gasoline.	13
2. Drain fuel into an approved red GASOLINE container, being careful to avoid spilling.	13
3. Run the engine until remaining fuel is consumed.	13
IX. Storing Your Engine	13
A. Short Term/Seasonal Storage	13
I. Clean Engine	13
II. Fuel Storage	13
III. Fuel System	13
IV. Fuel Treatment	13
1. Add fuel stabilizer according to manufacturer’s instructions.	13
2. Run engine at least 10 minutes after adding stabilizer to allow it to reach carburetor.	13
B. Extended Storage	14
I. Draining Fuel	14
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.	14
2. Run the engine while waiting until the remaining fuel is consumed.	14
3. Begin servicing the cylinder bore. See \	14
II. Oil Cylinder Bore	14
1. Disconnect spark plug wire and keep it away from spark plug. See Figures 24 and 25.	14
2. Remove ignition key, if provided. Remove spark plug.	14
3. Squirt 1oz. (30ml) of clean engine oil into spark plug hole.	14
4. Cover spark plug hole with rag to prevent fuel from spraying from spark plug hole when starter rope is pulled.	14
5. Grasp starter cord handle and pull out slowly using a full arm stroke. Repeat once. (This will distribute oil throughout the cylinder to prevent corrosion during storage.)	14
Figure 24. Disconnecting/Connecting Spark Plug	14
1. Grounding Post	14
2. Spark Plug Wire	14
3. Spark Plug	14
Figure 25. Spark Plug Connection	14
6. Install spark plug.	14
7. Carefully disconnect spark plug wire from grounding post, if provided.	14
III. Oil	14
IV. Battery	14
V. Clean Engine	14
X. Preventing Forest, Brush and Grass Fires	15
XI. Maintenance Intervals	15
Table 3. Maintenance Intervals	15
1. Change Oil	15
1. Check Oil Level	16
2. Clean Cooling Fins	16
1. Change Oil	16
1. Check Spark Plug	16
1. Replace Spark Plug	16
XII. Warranty Information	24