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Page 12 Four-Cycle Engine • Vertical Crankshaft • Air-Cooled 181-1272-14
III. Primer Bulb and Choke
In Temperatures above 40°F (5°C):
Follow instructions in Section B.I. See "I. Primer Bulb Only"
instructions on page 10.
In Temperatures below 40°F (5°C):
1. To avoid carbon monoxide poisoning, be sure engine is
outdoors in a well-ventilated area.
2. Move engine throttle control to “CHOKE” or “START”
position, if present (see equipment manufacturer’s
instructions). See Figures 23 thru 25.
3. When starting a cold engine, push primer bulb firmly 3
times, allowing primer bulb to return completely to
original position between pushes. See Figure 22 on
page 11. Afterward, continue reading instructions below.
NOTES
Be sure to cover vent hole when pressing primer bulb.
Cooler temperatures may require pushing primer bulb firmly
5 times.
DO NOT use choke or primer to restart a warm engine after
a short shutdown. Doing so will flood the engine and may
result in equipment malfunction
4. Operate equipment control to release engine brake or
clutch, if present (see equipment manufacturer’s
instructions). See Figure 23.
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 23.
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.
NOTE
Following the instructions listed in the steps above avoids
potential damage to the recoil mechanism.
6. When engine starts:
a. Momentarily move engine throttle control to “FAST”
position.
b. Next, move engine throttle control to desired speed
in “RUN” range.
NOTES
If engine starts but falters when engine throttle control is
moved to “FAST” position:
a. Move engine throttle control back to “CHOKE”
position.
b. Next, move engine throttle control to “FAST”
position.
If engine dies after engine throttle control is moved to “FAST”
position, repeat steps 2 thru 6 to restart engine.
7. If engine fires but does NOT continue to run, move engine
throttle control
to “FAST” position and start engine.
8. If engine fails to start after 3 attempts in the “FAST”
position, move engine throttle control to “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.
WARNING
Figure 23. Typical Engine Controls
Figure 24. Typical Engine Symbols
Figure 25. Start/Choke Control Positions
1. Starter Cord Handle
2. Engine Throttle Control
3. Equipment Control
1
2
3
STOP
STOP SLOW RUN FAST CHOKE PRIMER
1. “SLOW” Position
2. “RUN” Range
3. “FAST” Position
4. “CHOKE” Position
4
3
2
1