Tecumseh Products TH139SP Operator Manual - Page 10
Engines with Recoil Starters
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B. Engines with Recoil Starters If you have an electric starter, see "A. Engines with Electric Starters" instructions beginning on page 6. 1. To avoid carbon monoxide poisoning, be sure engine is outdoors in a well-ventilated area. 2. Move choke control to "FULL CHOKE" position (see equipment manufacturer's instructions). See Figure 12. 3. Use equipment according to instructions listed in the table and notes below. See Table 5. See Figure 10 on page 7. Afterward, continue reading instructions below. Table 5. Priming Methods Above 32°F (0°C) 0°F to 32°F (-18°C to 0°C) Below 0°F (-18°C) TH No priming required. May require pushing primer bulb firmly with your thumb 3 times. May require pushing primer bulb firmly with your thumb 5 times. Figure 11. Starter Cord Handle 1 3 2 NOTES DO NOT use primer bulb to restart a warm engine after a short shutdown. Doing so will flood the engine and may result in equipment malfunction. DO NOT operate an electric starter for more than 5 seconds each attempt. 4. Operate equipment control to release engine brake or clutch, if present (see equipment manufacturer's instructions). WARNING When pulling starter rope, the rope can unexpectedly jerk back toward engine causing serious injury. To avoid this risk, carefully follow these instructions: 5. Grasp starter cord handle. See Figure 11. a. Pull rope out slowly until you feel drag. b. Without allowing the rope to retract, continue pulling rope with one rapid full arm stroke. c. Return rope slowly to original position. NOTES Following the instructions listed in the steps above avoids potential damage to the recoil mechanism. If recoil starter handle is frozen and will not operate engine, proceed as follows: a. Pull as much rope out of starter as possible. 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. If engine fails to start after 3 attempts, repeat steps 2 thru 5 and try again. 1. "NO CHOKE" Position 2. "1/2 CHOKE" Position 3. "FULL CHOKE" Position Figure 12. Choke Control Positions 6. When engine starts: a. Release starter button or ignition switch key. b. Momentarily move choke control to "1/2 CHOKE" position until engine runs smoothly. See Figure 12. c. Next, move choke control to "NO CHOKE" position. See Figure 12. NOTES If engine starts but falters when choke control is moved to "NO CHOKE" position: a. Momentarily move choke control back to "FULL CHOKE" position. b. Next, move choke control to "1/2 CHOKE" position until engine runs smoothly. c. Finally, move choke control to "NO CHOKE" position. If engine dies after choke control is moved to "NO CHOKE" position repeat steps 2 thru 6 to restart engine. 7. If engine fires but does not continue to run, move choke control to "NO CHOKE" position and start engine. 8. If engine fails to start after 3 attempts in the "NO CHOKE" position, move choke control to "FULL CHOKE" position and start 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 in any other way. Page 8 Two-Cycle Engine • Horizontal/Vertical Crankshaft • Air-Cooled 181-807-14