Theory of Operation WM 90
wc_tx000388gb.fm 26
4.4 To Start
See Graphic: wc_gr001454
Note: After transporting the rammer horizontally, upright the rammer
and allow the oil to drain back through the engine. It may take up to 2
minutes for the oil level to recover.
4.4.1 Open fuel valve (e).
4.4.2 Turn engine switch to "ON" (d).
4.4.3 If the engine is cold, close choke (b1) on the carburetor.
Note: Occasionally, warm engines will need to be choked.
4.4.4 With throttle in idle position (c2), pull the starter rope (a) until the
engine starts.
4.4.5 On engines equipped with the low oil shutoff switch, see section Low
Oil Shutoff Switch for additional information.
Note: First time use, engines recently serviced, run out of fuel or not
used for long periods of time may need the rope to be pulled more
times to move fuel to the carburetor.
4.4.6 Open choke (b2) on the carburetor as the engine warms up.
Note: A cold engine should be allowed to warm up at the idle position
(c2) for approximately one (1) minute. Failure to open the choke after
the engine attempts to start may cause flooding.
NOTICE: Always open choke (b2) with throttle in idle position (c2).
Opening choke with throttle not in idle position (c2) may result in
rammer motion.
c1
c2
c3
c4
b1
b2
d
a
e
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